Reorganize the test suite

Use one file per topic, except for "uncategorizable" tests.

test/Makefile

@@ -1,18 +1,7 @@
+# Copyright (c) 2015, Loïc Hoguin <essen@ninenines.eu>
 # Copyright (c) 2014, Viktor Söderqvist <viktor@zuiderkwast.se>
 # This file is part of erlang.mk and subject to the terms of the ISC License.
 
-# Tests for erlang.mk targets. If any test fails or if you run a target other
-# than 'all', you must probably do 'make clean' before you can test again.
-
-# Verbosity.
-
-V ?= 0
-
-# Temporary files directory.
-
-ERLANG_MK_TMP=$(CURDIR)/tmp
-export ERLANG_MK_TMP
-
 # Temporary application name, taken from rule name.
 
 APP = $(subst -,_,$@)
@@ -26,42 +15,45 @@ ERL = erl +A0 -noinput -boot start_clean
 
 OTP_MASTER = https://raw.githubusercontent.com/erlang/otp/master
 
-# t = Verbosity control for tests
-# v = Verbosity control for erlang.mk
-# i = Command to display (or suppress) info messages
+# Verbosity.
+#
+# V=0: Show info messages only.
+# V=1: Show test commands.
+# V=2: Also show normal Erlang.mk output.
+# V=3: Also show verbose Erlang.mk output.
+
+V ?= 0
+
+# t: Verbosity control for tests.
+# v: Verbosity control for erlang.mk.
+# i: Command to display (or suppress) info messages.
+
 ifeq ($V,0)
-	# Show info messages only
 	t = @
 	v = V=0 >/dev/null 2>&1
 	i = @echo $@:
 else ifeq ($V,1)
-	# Show test commands
 	t =
 	v = V=0 >/dev/null 2>&1
 	i = @echo == $@:
 else ifeq ($V,2)
-	# Show briefly what erlang.mk is doing
 	t = @echo " TEST  " $@;
 	v = V=0
 	i = @echo == $@:
 else
-	# Show all commands with maximum verbosity
 	t =
 	v = V=1
 	i = @echo == $@:
 endif
 
-.PHONY: all clean app ct eunit tests-cover docs
+# Main targets.
 
-.NOTPARALLEL:
+.PHONY: all clean build
 
-all: clean core bootstrap ct eunit tests-cover docs pkgs
-	$i '+---------------------+'
-	$i '|  All tests passed.  |'
-	$i '+---------------------+'
+all:: core bootstrap
+	$i "Success!"
 
-clean: clean-core clean-bootstrap
-	$t rm -rf app1 pkgs.log $(ERLANG_MK_TMP)
+clean:: clean-core
 
 build:
 	$i "Generate a bleeding edge Erlang.mk"
@@ -71,1258 +63,32 @@ build:
 
 .PHONY: core clean-core
 
-core: core-app core-help core-upgrade
-
-clean-core: clean-core-app clean-core-help clean-core-upgrade
-
-# Core: Building applications.
-
-CORE_APP_CASES = asn1 error generate-erl generate-erl-include generate-erl-prepend hrl hrl-recursive mib no-app no-makedep xrl xrl-include yrl yrl-include
-CORE_APP_TARGETS = $(addprefix core-app-,$(CORE_APP_CASES))
-CORE_APP_CLEAN_TARGETS = $(addprefix clean-,$(CORE_APP_TARGETS))
-
-.PHONY: core-app $(CORE_APP_TARGETS) $(CORE_APP_CLEAN_TARGETS)
-
-core-app: $(CORE_APP_TARGETS)
-
-core-app-asn1: build clean-core-app-asn1
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Download .asn1 files from Erlang/OTP"
-	$t mkdir $(APP)/asn1/
-	$t curl -s -o $(APP)/asn1/CAP.asn1 $(OTP_MASTER)/lib/asn1/test/asn1_SUITE_data/CAP.asn1
-	$t curl -s -o $(APP)/asn1/Def.asn1 $(OTP_MASTER)/lib/asn1/test/asn1_SUITE_data/Def.asn1
-
-	$i "Generate .erl files dependent from headers generated by .asn1 files"
-	$t printf "%s\n" "-module(use_cap)." "-include(\"CAP.hrl\")." > $(APP)/src/use_cap.erl
-	$t printf "%s\n" "-module(use_def)." "-include(\"Def.hrl\")." > $(APP)/src/use_def.erl
-
-	$i "Generate an unrelated .hrl file"
-	$t mkdir $(APP)/include/
-	$t touch $(APP)/include/unrelated.hrl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/CAP.beam
-	$t test -f $(APP)/ebin/Def.beam
-	$t test -f $(APP)/ebin/use_cap.beam
-	$t test -f $(APP)/ebin/use_def.beam
-	$t test -f $(APP)/include/CAP.asn1db
-	$t test -f $(APP)/include/CAP.hrl
-	$t test -f $(APP)/include/Def.asn1db
-	$t test -f $(APP)/include/Def.hrl
-	$t test -f $(APP)/src/CAP.erl
-	$t test -f $(APP)/src/Def.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .asn1 file; check that only required files are rebuilt"
-# The use_cap.erl gets touched because of its dependency to CAP.hrl.
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/CAP.beam \
-		$(APP)/ebin/use_cap.beam \
-		$(APP)/include/CAP.asn1db \
-		$(APP)/include/CAP.hrl \
-		$(APP)/src/CAP.erl \
-		$(APP)/src/use_cap.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/asn1/CAP.asn1
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/asn1/CAP.asn1 | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/asn1/CAP.asn1
-	$t test -f $(APP)/asn1/Def.asn1
-	$t test -f $(APP)/include/unrelated.hrl
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/use_cap.erl
-	$t test -f $(APP)/src/use_def.erl
-
-	$i "Check that all build artifacts are removed, including intermediates"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-	$t test ! -e $(APP)/include/CAP.asn1db
-	$t test ! -e $(APP)/include/CAP.hrl
-	$t test ! -e $(APP)/include/Def.asn1db
-	$t test ! -e $(APP)/include/Def.hrl
-	$t test ! -e $(APP)/src/CAP.erl
-	$t test ! -e $(APP)/src/Def.erl
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/CAP.beam
-	$t test -f $(APP)/ebin/Def.beam
-	$t test -f $(APP)/ebin/use_cap.beam
-	$t test -f $(APP)/ebin/use_def.beam
-	$t test -f $(APP)/include/CAP.asn1db
-	$t test -f $(APP)/include/CAP.hrl
-	$t test -f $(APP)/include/Def.asn1db
-	$t test -f $(APP)/include/Def.hrl
-	$t test -f $(APP)/src/CAP.erl
-	$t test -f $(APP)/src/Def.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-error: build clean-core-app-error
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Generate a bad .erl files"
-	$t touch $(APP)/src/breaking.erl
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Check that trying to build returns non-zero"
-	$t if $(MAKE) -C $(APP) $v; then false; fi
-
-core-app-generate-erl: build clean-core-app-generate-erl
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Create a fake script file to be used as dependency"
-	$t touch $(APP)/script.sh
-
-	$i "Append rules to the Makefile to generate a .erl module"
-	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
-	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@" >> $(APP)/Makefile
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/generated.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the script file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/generated.beam \
-		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/script.sh
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/script.sh | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/script.sh
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/boy.erl
-	$t test -f $(APP)/src/girl.erl
-
-	$i "Check that the generated .erl file still exists"
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that all build artifacts are removed"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-
-	$i "Add a rule to remove the generated .erl file on clean"
-	$t echo "clean:: ; rm src/generated.erl" >> $(APP)/Makefile
-
-	$i "Clean the application again"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that the generated .erl file was removed"
-	$t test ! -e $(APP)/src/generated.erl
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/generated.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-generate-erl-include: build clean-core-app-generate-erl-include
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Create a fake script file to be used as dependency"
-	$t touch $(APP)/script.sh
-
-	$i "Append rules to the Makefile to generate a .erl module"
-	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
-	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@; echo \"-include(\\\"included.hrl\\\").\" >> \$$@" >> $(APP)/Makefile
-
-	$i "Generate the .hrl file"
-	$t mkdir $(APP)/include/
-	$t touch $(APP)/include/included.hrl
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/generated.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the .hrl file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/generated.beam \
-		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/include/included.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/include/included.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-generate-erl-prepend: build clean-core-app-generate-erl-prepend
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Create a fake script file to be used as dependency"
-	$t touch $(APP)/script.sh
-
-	$i "Generate a Makefile and prepend rules that generate a .erl module"
-	$t echo "PROJECT = $(APP)" > $(APP)/Makefile
-	$t echo ".DEFAULT_GOAL = all" >> $(APP)/Makefile
-	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
-	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@" >> $(APP)/Makefile
-	$t echo "include erlang.mk" >> $(APP)/Makefile
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/generated.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the script file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/generated.beam \
-		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/script.sh
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/script.sh | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/script.sh
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/boy.erl
-	$t test -f $(APP)/src/girl.erl
-
-	$i "Check that the generated .erl file still exists"
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that all build artifacts are removed"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-
-	$i "Add a rule to remove the generated .erl file on clean"
-	$t echo "clean:: ; rm src/generated.erl" >> $(APP)/Makefile
-
-	$i "Clean the application again"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that the generated .erl file was removed"
-	$t test ! -e $(APP)/src/generated.erl
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/generated.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/generated.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, generated, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-hrl: build clean-core-app-hrl
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Generate .hrl files"
-	$t mkdir $(APP)/include/
-	$t touch $(APP)/include/blue.hrl $(APP)/include/red.hrl
-
-	$i "Generate .erl files dependent from headers"
-	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
-	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_blue.beam
-	$t test -f $(APP)/ebin/use_red.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .hrl file; check that only required files are rebuilt"
-# The use_red.erl gets touched because of its dependency to red.hrl.
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/use_red.beam \
-		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/include/red.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/include/blue.hrl
-	$t test -f $(APP)/include/red.hrl
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/use_blue.erl
-	$t test -f $(APP)/src/use_red.erl
-
-	$i "Check that all build artifacts are removed"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_blue.beam
-	$t test -f $(APP)/ebin/use_red.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-hrl-recursive: build clean-core-app-hrl-recursive
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Generate .hrl files"
-	$t mkdir $(APP)/include/
-	$t touch $(APP)/include/blue.hrl $(APP)/include/pill.hrl
-	$t echo "-include(\"pill.hrl\")." > $(APP)/include/red.hrl
-
-	$i "Generate .erl files dependent from headers"
-	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
-	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_blue.beam
-	$t test -f $(APP)/ebin/use_red.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the deepest .hrl file; check that only required files are rebuilt"
-# The use_red.erl gets touched because of its dependency to red.hrl and pill.hrl.
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/use_red.beam \
-		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/include/pill.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/include/pill.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/include/blue.hrl
-	$t test -f $(APP)/include/pill.hrl
-	$t test -f $(APP)/include/red.hrl
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/use_blue.erl
-	$t test -f $(APP)/src/use_red.erl
-
-	$i "Check that all build artifacts are removed"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_blue.beam
-	$t test -f $(APP)/ebin/use_red.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-mib: build clean-core-app-mib
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Download .mib files from Erlang/OTP"
-	$t mkdir $(APP)/mibs/
-	$t curl -s -o $(APP)/mibs/EX1-MIB.mib $(OTP_MASTER)/lib/snmp/examples/ex1/EX1-MIB.mib
-	$t curl -s -o $(APP)/mibs/OTP-REG.mib $(OTP_MASTER)/lib/otp_mibs/mibs/OTP-REG.mib
-
-	$i "Generate .erl files dependent from headers generated by .mib files"
-	$t printf "%s\n" "-module(use_v1)." "-include(\"EX1-MIB.hrl\")." > $(APP)/src/use_v1.erl
-	$t printf "%s\n" "-module(use_v2)." "-include(\"OTP-REG.hrl\")." > $(APP)/src/use_v2.erl
-
-	$i "Generate an unrelated .hrl file"
-	$t mkdir $(APP)/include/
-	$t touch $(APP)/include/unrelated.hrl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_v1.beam
-	$t test -f $(APP)/ebin/use_v2.beam
-	$t test -f $(APP)/include/EX1-MIB.hrl
-	$t test -f $(APP)/include/OTP-REG.hrl
-	$t test -f $(APP)/priv/mibs/EX1-MIB.bin
-	$t test -f $(APP)/priv/mibs/OTP-REG.bin
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_v1, use_v2]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .mib file; check that only required files are rebuilt"
-# The use_v1.erl gets touched because of its dependency to EX1-MIB.hrl.
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/use_v1.beam \
-		$(APP)/include/EX1-MIB.hrl \
-		$(APP)/priv/mibs/EX1-MIB.bin \
-		$(APP)/src/use_v1.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/mibs/EX1-MIB.mib
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/mibs/EX1-MIB.mib | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_v1, use_v2]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/include/unrelated.hrl
-	$t test -f $(APP)/mibs/EX1-MIB.mib
-	$t test -f $(APP)/mibs/OTP-REG.mib
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/use_v1.erl
-	$t test -f $(APP)/src/use_v2.erl
-
-	$i "Check that all build artifacts are removed, including intermediates"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-	$t test ! -e $(APP)/include/EX1-MIB.hrl
-	$t test ! -e $(APP)/include/OTP-REG.hrl
-	$t test ! -e $(APP)/priv/mibs/
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_v1.beam
-	$t test -f $(APP)/ebin/use_v2.beam
-	$t test -f $(APP)/include/EX1-MIB.hrl
-	$t test -f $(APP)/include/OTP-REG.hrl
-	$t test -f $(APP)/priv/mibs/EX1-MIB.bin
-	$t test -f $(APP)/priv/mibs/OTP-REG.bin
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_v1, use_v2]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-no-app: build clean-core-app-no-app
-
-	$i "Bootstrap a project without an OTP library"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-	$t rm -rf $(APP)/src
-
-	$i "Build the project"
-	$t $(MAKE) -C $(APP) $v
-
-core-app-no-makedep: build clean-core-app-no-makedep
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Set NO_MAKEDEP ?= 1 in the Makefile"
-	$t sed -i.bak '2i\
-NO_MAKEDEP ?= 1\
-' $(APP)/Makefile
-
-	$i "Generate .hrl files"
-	$t mkdir $(APP)/include/
-	$t touch $(APP)/include/blue.hrl $(APP)/include/red.hrl
-
-	$i "Generate .erl files dependent from headers"
-	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
-	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_blue.beam
-	$t test -f $(APP)/ebin/use_red.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .hrl file; check that only required files are rebuilt"
-# The use_red.erl gets touched because of its dependency to red.hrl.
-	$t printf "%s\n" \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/use_red.beam \
-		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/include/red.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .hrl file; disable NO_MAKEDEP and check that only required files are rebuilt"
-# The use_red.erl gets touched because of its dependency to red.hrl.
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/use_red.beam \
-		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/include/red.hrl
-	$t NO_MAKEDEP= $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
+define include_core
+core:: core-$1
+clean-core:: clean-core-$1
 
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
+include core_$1.mk
 
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/include/blue.hrl
-	$t test -f $(APP)/include/red.hrl
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/use_blue.erl
-	$t test -f $(APP)/src/use_red.erl
-
-	$i "Check that all build artifacts are removed"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/use_blue.beam
-	$t test -f $(APP)/ebin/use_red.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [use_blue, use_red]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-xrl: build clean-core-app-xrl
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Download .xrl files from Robert"
-	$t curl -s -o $(APP)/src/erlang_scan.xrl https://raw.githubusercontent.com/rvirding/leex/master/examples/erlang_scan.xrl
-	$t curl -s -o $(APP)/src/lfe_scan.xrl https://raw.githubusercontent.com/rvirding/leex/master/examples/lfe_scan.xrl
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Disable warnings; our test .xrl files aren't perfect"
-	$t echo "ERLC_OPTS=+debug_info" >> $(APP)/Makefile
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/erlang_scan.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/ebin/lfe_scan.beam
-	$t test -f $(APP)/src/erlang_scan.erl
-	$t test -f $(APP)/src/lfe_scan.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .xrl file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/erlang_scan.beam \
-		$(APP)/src/erlang_scan.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/erlang_scan.xrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/erlang_scan.xrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/boy.erl
-	$t test -f $(APP)/src/erlang_scan.xrl
-	$t test -f $(APP)/src/girl.erl
-	$t test -f $(APP)/src/lfe_scan.xrl
-
-	$i "Check that all build artifacts are removed, including intermediates"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-	$t test ! -e $(APP)/src/erlang_scan.erl
-	$t test ! -e $(APP)/src/lfe_scan.erl
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/erlang_scan.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/ebin/lfe_scan.beam
-	$t test -f $(APP)/src/erlang_scan.erl
-	$t test -f $(APP)/src/lfe_scan.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-xrl-include: build clean-core-app-xrl-include
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Download a .xrl file with numerous includes from Gordon"
-	$t curl -s -o $(APP)/src/xfl_lexer.xrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/formula_engine-1.0/priv/xfl_lexer.xrl
-	$t curl -s -o $(APP)/src/errvals.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/errvals.hrl
-	$t curl -s -o $(APP)/src/muin_proc_dict.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/muin_proc_dict.hrl
-	$t curl -s -o $(APP)/src/muin_records.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/muin_records.hrl
-	$t curl -s -o $(APP)/src/typechecks.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/typechecks.hrl
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Disable warnings; our test .xrl files aren't perfect"
-	$t echo "ERLC_OPTS=+debug_info" >> $(APP)/Makefile
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/ebin/xfl_lexer.beam
-	$t test -f $(APP)/src/xfl_lexer.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xfl_lexer]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the .xrl file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/xfl_lexer.beam \
-		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/xfl_lexer.xrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/xfl_lexer.xrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xfl_lexer]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch a .hrl file included directly; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/xfl_lexer.beam \
-		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/typechecks.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/typechecks.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xfl_lexer]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch a .hrl file included indirectly; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/xfl_lexer.beam \
-		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/errvals.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/errvals.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xfl_lexer]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/boy.erl
-	$t test -f $(APP)/src/girl.erl
-	$t test -f $(APP)/src/errvals.hrl
-	$t test -f $(APP)/src/muin_proc_dict.hrl
-	$t test -f $(APP)/src/muin_records.hrl
-	$t test -f $(APP)/src/typechecks.hrl
-	$t test -f $(APP)/src/xfl_lexer.xrl
-
-	$i "Check that all build artifacts are removed, including intermediates"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-	$t test ! -e $(APP)/src/xfl_lexer.erl
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/ebin/xfl_lexer.beam
-	$t test -f $(APP)/src/xfl_lexer.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xfl_lexer]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-yrl: build clean-core-app-yrl
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Download .yrl files from Erlang/OTP"
-	$t curl -s -o $(APP)/src/xmerl_xpath_parse.yrl $(OTP_MASTER)/lib/xmerl/src/xmerl_xpath_parse.yrl
-	$t curl -s -o $(APP)/src/xref_parser.yrl $(OTP_MASTER)/lib/tools/src/xref_parser.yrl
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/ebin/xmerl_xpath_parse.beam
-	$t test -f $(APP)/ebin/xref_parser.beam
-	$t test -f $(APP)/src/xmerl_xpath_parse.erl
-	$t test -f $(APP)/src/xref_parser.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch one .yrl file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/xref_parser.beam \
-		$(APP)/src/xref_parser.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/xref_parser.yrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/xref_parser.yrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
-
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/boy.erl
-	$t test -f $(APP)/src/girl.erl
-	$t test -f $(APP)/src/xmerl_xpath_parse.yrl
-	$t test -f $(APP)/src/xref_parser.yrl
-
-	$i "Check that all build artifacts are removed, including intermediates"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-	$t test ! -e $(APP)/src/xmerl_xpath_parse.erl
-	$t test ! -e $(APP)/src/xref_parser.erl
-
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/ebin/xmerl_xpath_parse.beam
-	$t test -f $(APP)/ebin/xref_parser.beam
-	$t test -f $(APP)/src/xmerl_xpath_parse.erl
-	$t test -f $(APP)/src/xref_parser.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-core-app-yrl-include: build clean-core-app-yrl-include
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Download a .yrl file with includes from Erlang/OTP"
-	$t curl -s -o $(APP)/src/core_parse.yrl $(OTP_MASTER)/lib/compiler/src/core_parse.yrl
-	$t curl -s -o $(APP)/src/core_parse.hrl $(OTP_MASTER)/lib/compiler/src/core_parse.hrl
-
-	$i "Generate unrelated .erl files"
-	$t echo "-module(boy)." > $(APP)/src/boy.erl
-	$t echo "-module(girl)." > $(APP)/src/girl.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/core_parse.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/core_parse.erl
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, core_parse, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the .yrl file; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/core_parse.beam \
-		$(APP)/src/core_parse.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/core_parse.yrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/core_parse.yrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, core_parse, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Touch the .hrl file included; check that only required files are rebuilt"
-	$t printf "%s\n" \
-		$(APP)/$(APP).d \
-		$(APP)/ebin/$(APP).app \
-		$(APP)/ebin/core_parse.beam \
-		$(APP)/src/core_parse.erl | sort > $(APP)/EXPECT
-	$t touch $(APP)/src/core_parse.hrl
-	$t $(MAKE) -C $(APP) $v
-	$t find $(APP) -type f -newer $(APP)/src/core_parse.hrl | sort | diff $(APP)/EXPECT -
-	$t rm $(APP)/EXPECT
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, core_parse, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
-
-	$i "Clean the application"
-	$t $(MAKE) -C $(APP) clean $v
+endef
 
-	$i "Check that source files still exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/erlang.mk
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/boy.erl
-	$t test -f $(APP)/src/core_parse.hrl
-	$t test -f $(APP)/src/core_parse.yrl
-	$t test -f $(APP)/src/girl.erl
+$(eval $(foreach t,$(patsubst %.mk,%,$(patsubst core_%,%,$(wildcard core_*.mk))),$(call include_core,$t)))
 
-	$i "Check that all build artifacts are removed, including intermediates"
-	$t test ! -e $(APP)/$(APP).d
-	$t test ! -e $(APP)/ebin/
-	$t test ! -e $(APP)/src/core_parse.erl
+core:: core-help
+clean-core:: clean-core-help
 
-	$i "Build the application again"
-	$t $(MAKE) -C $(APP) $v
+# Plugins.
 
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/$(APP).d
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/boy.beam
-	$t test -f $(APP)/ebin/core_parse.beam
-	$t test -f $(APP)/ebin/girl.beam
-	$t test -f $(APP)/src/core_parse.erl
+define include_plugin
+all:: $1
+clean:: clean-$1
 
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [boy, core_parse, girl]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
+include plugin_$1.mk
 
-clean-core-app: $(CORE_APP_CLEAN_TARGETS)
+endef
 
-$(CORE_APP_CLEAN_TARGETS):
-	$t rm -rf $(APP_TO_CLEAN)/
+$(eval $(foreach t,$(patsubst %.mk,%,$(patsubst plugin_%,%,$(wildcard plugin_*.mk))),$(call include_plugin,$t)))
 
-# Core: Help.
+# Tests that don't easily fit into other categories.
 
 core-help: build clean-core-help
 
@@ -1337,272 +103,23 @@ core-help: build clean-core-help
 clean-core-help:
 	$t rm -rf $(APP_TO_CLEAN)/
 
-# Core: Erlang.mk upgrade.
-
-CORE_UPGRADE_CASES = custom-build-dir custom-config custom-repo no-config renamed-config
-CORE_UPGRADE_TARGETS = $(addprefix core-upgrade-,$(CORE_UPGRADE_CASES))
-CORE_UPGRADE_CLEAN_TARGETS = $(addprefix clean-,$(CORE_UPGRADE_TARGETS))
-
-.PHONY: core-upgrade $(CORE_UPGRADE_TARGETS) $(CORE_UPGRADE_CLEAN_TARGETS)
-
-core-upgrade: $(CORE_UPGRADE_TARGETS)
-
-core-upgrade-custom-build-dir: build clean-core-upgrade-custom-build-dir
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Append a rule to the Erlang.mk file for testing purposes"
-	$t echo "erlang_mk_upgrade_test_rule: ; @echo FAIL" >> $(APP)/erlang.mk
-
-	$i "Check that the test rule works as intended"
-	$t test "FAIL" = "`$(MAKE) -C $(APP) --no-print-directory erlang_mk_upgrade_test_rule V=0`"
-
-	$i "Create the custom build directory"
-	$t mkdir $(APP)/custom/
-	$t test -d $(APP)/custom/
-
-	$i "Upgrade Erlang.mk with a custom build directory"
-	$t ERLANG_MK_BUILD_DIR=custom $(MAKE) -C $(APP) erlang-mk $v
-
-	$i "Check that the rule is gone"
-	$t if $(MAKE) -C $(APP) erlang_mk_upgrade_test_rule $v; then false; fi
-
-	$i "Check that the custom build directory is gone"
-	$t test ! -d $(APP)/custom/
-
-core-upgrade-custom-config: build clean-core-upgrade-custom-config
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Create a custom build.config file without plugins"
-	$t echo "core/*" > $(APP)/build.config
-
-	$i "Upgrade Erlang.mk"
-	$t $(MAKE) -C $(APP) erlang-mk $v
-
-	$i "Check that the bootstrap plugin is gone"
-	$t if $(MAKE) -C $(APP) list-templates $v; then false; fi
-
-core-upgrade-custom-repo: build clean-core-upgrade-custom-repo
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Fork erlang.mk locally and modify it"
-	$t git clone -q https://github.com/ninenines/erlang.mk $(APP)/alt-erlangmk-repo
-	$t sed -i.bak '1i\
-# Copyright (c) erlang.mk Testsuite!\
-' $(APP)/alt-erlangmk-repo/core/core.mk
-	$t (cd $(APP)/alt-erlangmk-repo && \
-		git checkout -q -b test-copyright && \
-		git config user.email "testsuite@erlang.mk" && \
-		git config user.name "test suite" && \
-		git commit -q -a -m 'Add Testsuite copyright')
-
-	$i "Point application to an alternate erlang.mk repository"
-	$t sed -i.bak '2i\
-ERLANG_MK_REPO = file://$(abspath $(APP)/alt-erlangmk-repo)\
-ERLANG_MK_COMMIT = test-copyright\
-' $(APP)/Makefile
-
-	$i "Update erlang.mk"
-	$t $(MAKE) -C $(APP) erlang-mk $v
-
-	$i "Check our modification is there"
-	$t grep -q "# Copyright (c) erlang.mk Testsuite!" $(APP)/erlang.mk
-
-core-upgrade-no-config: build clean-core-upgrade-no-config
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Append a rule to the Erlang.mk file for testing purposes"
-	$t echo "erlang_mk_upgrade_test_rule: ; @echo FAIL" >> $(APP)/erlang.mk
-
-	$i "Check that the test rule works as intended"
-	$t test "FAIL" = "`$(MAKE) -C $(APP) --no-print-directory erlang_mk_upgrade_test_rule V=0`"
-
-	$i "Upgrade Erlang.mk"
-	$t $(MAKE) -C $(APP) erlang-mk $v
-
-	$i "Check that the rule is gone"
-	$t if $(MAKE) -C $(APP) erlang_mk_upgrade_test_rule $v; then false; fi
-
-core-upgrade-renamed-config: build clean-core-upgrade-renamed-config
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Create a custom build.config file without plugins; name it my.build.config"
-	$t echo "core/*" > $(APP)/my.build.config
-
-	$i "Set ERLANG_MK_BUILD_CONFIG=my.build.config in the Makefile"
-	$t echo "ERLANG_MK_BUILD_CONFIG = my.build.config" >> $(APP)/Makefile
-
-	$i "Upgrade Erlang.mk"
-	$t $(MAKE) -C $(APP) erlang-mk $v
-
-	$i "Check that the bootstrap plugin is gone"
-	$t if $(MAKE) -C $(APP) list-templates $v; then false; fi
-
-clean-core-upgrade: $(CORE_UPGRADE_CLEAN_TARGETS)
-
-$(CORE_UPGRADE_CLEAN_TARGETS):
-	$t rm -rf $(APP_TO_CLEAN)/
-
-# Bootstrap plugin.
-
-BOOTSTRAP_CASES = app lib rel templates
-BOOTSTRAP_TARGETS = $(addprefix bootstrap-,$(BOOTSTRAP_CASES))
-BOOTSTRAP_CLEAN_TARGETS = $(addprefix clean-,$(BOOTSTRAP_TARGETS))
-
-.PHONY: bootstrap $(BOOTSTRAP_TARGETS) $(BOOTSTRAP_CLEAN_TARGETS)
-
-bootstrap: $(BOOTSTRAP_TARGETS)
-
-bootstrap-app: build clean-bootstrap-app
-
-	$i "Bootstrap a new OTP application named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap $v
-
-	$i "Check that all bootstrapped files exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/$(APP)_app.erl
-	$t test -f $(APP)/src/$(APP)_sup.erl
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/$(APP)_app.beam
-	$t test -f $(APP)/ebin/$(APP)_sup.beam
-
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, [$(APP)_app, $(APP)_sup]} = application:get_key($(APP), modules), \
-		{module, $(APP)_app} = code:load_file($(APP)_app), \
-		{module, $(APP)_sup} = code:load_file($(APP)_sup), \
-		halt()"
-
-bootstrap-lib: build clean-bootstrap-lib
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Check that all bootstrapped files exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/src/$(APP).app.src
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/ebin/$(APP).app
+# @todo what about ERLC_OPTS etc.
+# @todo test AND document COMPILE_FIRST and COMPILE_MIB_FIRST
+# @todo when .app.src becomes legacy, test legacy
+# @todo tests for https://github.com/ninenines/erlang.mk/blob/master/doc/src/guide/external_plugins.asciidoc
+# @todo test that clean removes crash dump
 
-	$i "Check that the application was compiled correctly"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, []} = application:get_key($(APP), modules), \
-		halt()"
-
-bootstrap-rel: build clean-bootstrap-rel
-
-	$i "Bootstrap a new release-enabled OTP application named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap bootstrap-rel $v
-
-	$i "Check that all bootstrapped files exist"
-	$t test -f $(APP)/Makefile
-	$t test -f $(APP)/relx.config
-	$t test -f $(APP)/rel/sys.config
-	$t test -f $(APP)/rel/vm.args
-	$t test -f $(APP)/src/$(APP).app.src
-	$t test -f $(APP)/src/$(APP)_app.erl
-	$t test -f $(APP)/src/$(APP)_sup.erl
-
-	$i "Build the application and the release"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/$(APP)_app.beam
-	$t test -f $(APP)/ebin/$(APP)_sup.beam
-
-	$i "Check that the release was generated"
-	$t test -f $(APP)/_rel/$(APP)_release/bin/$(APP)_release
-
-	$i "Check that the release can be started and stopped"
-	$t $(APP)/_rel/$(APP)_release/bin/$(APP)_release start $v
-	$t $(APP)/_rel/$(APP)_release/bin/$(APP)_release stop $v
-
-	$i "Check that there's no erl_crash.dump file"
-	$t test ! -f $(APP)/_rel/$(APP)_release/erl_crash.dump
-
-bootstrap-templates: build clean-bootstrap-templates
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
-	$i "Check that we can get the list of templates"
-	$t test `$(MAKE) -C $(APP) --no-print-directory list-templates V=0 | wc -l` -eq 1
-
-	$i "Generate one of each template"
-	$t $(MAKE) -C $(APP) --no-print-directory new t=gen_fsm n=my_fsm
-	$t $(MAKE) -C $(APP) --no-print-directory new t=gen_server n=my_server
-	$t $(MAKE) -C $(APP) --no-print-directory new t=supervisor n=my_sup
-	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_http n=my_http
-	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_loop n=my_loop
-	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_rest n=my_rest
-	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_ws n=my_ws
-	$t $(MAKE) -C $(APP) --no-print-directory new t=ranch_protocol n=my_protocol
-
-# Here we disable warnings because templates contain missing behaviors.
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) ERLC_OPTS=+debug_info $v
-
-	$i "Check that all compiled files exist"
-	$t test -f $(APP)/ebin/$(APP).app
-	$t test -f $(APP)/ebin/my_fsm.beam
-	$t test -f $(APP)/ebin/my_server.beam
-	$t test -f $(APP)/ebin/my_sup.beam
-
-	$i "Check that all the modules can be loaded"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:start($(APP)), \
-		{ok, Mods = [my_fsm, my_http, my_loop, my_protocol, my_rest, my_server, my_sup, my_ws]} \
-			= application:get_key($(APP), modules), \
-		[{module, M} = code:load_file(M) || M <- Mods], \
-		halt()"
+# Legacy tests.
+#
+# The following tests are slowly being converted.
+# Do NOT use -j with legacy tests.
 
-clean-bootstrap: $(BOOTSTRAP_CLEAN_TARGETS)
+.PHONY: legacy clean-legacy ct eunit tests-cover docs
 
-$(BOOTSTRAP_CLEAN_TARGETS):
-	$t rm -rf $(APP_TO_CLEAN)/
+legacy: clean-legacy ct eunit tests-cover docs pkgs
 
-########################################
-# Legacy tests.
+clean-legacy:
+	$t rm -rf app1 pkgs.log
 
 ct: app1
 	$i "ct: Testing ct and related targets."

test/core_app.mk

@@ -0,0 +1,1246 @@
+# Core: Building applications.
+
+CORE_APP_CASES = asn1 error generate-erl generate-erl-include generate-erl-prepend hrl hrl-recursive mib no-app no-makedep xrl xrl-include yrl yrl-include
+CORE_APP_TARGETS = $(addprefix core-app-,$(CORE_APP_CASES))
+CORE_APP_CLEAN_TARGETS = $(addprefix clean-,$(CORE_APP_TARGETS))
+
+.PHONY: core-app $(CORE_APP_TARGETS) clean-core-app $(CORE_APP_CLEAN_TARGETS)
+
+clean-core-app: $(CORE_APP_CLEAN_TARGETS)
+
+$(CORE_APP_CLEAN_TARGETS):
+	$t rm -rf $(APP_TO_CLEAN)/
+
+core-app: $(CORE_APP_TARGETS)
+
+core-app-asn1: build clean-core-app-asn1
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .asn1 files from Erlang/OTP"
+	$t mkdir $(APP)/asn1/
+	$t curl -s -o $(APP)/asn1/CAP.asn1 $(OTP_MASTER)/lib/asn1/test/asn1_SUITE_data/CAP.asn1
+	$t curl -s -o $(APP)/asn1/Def.asn1 $(OTP_MASTER)/lib/asn1/test/asn1_SUITE_data/Def.asn1
+
+	$i "Generate .erl files dependent from headers generated by .asn1 files"
+	$t printf "%s\n" "-module(use_cap)." "-include(\"CAP.hrl\")." > $(APP)/src/use_cap.erl
+	$t printf "%s\n" "-module(use_def)." "-include(\"Def.hrl\")." > $(APP)/src/use_def.erl
+
+	$i "Generate an unrelated .hrl file"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/unrelated.hrl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/CAP.beam
+	$t test -f $(APP)/ebin/Def.beam
+	$t test -f $(APP)/ebin/use_cap.beam
+	$t test -f $(APP)/ebin/use_def.beam
+	$t test -f $(APP)/include/CAP.asn1db
+	$t test -f $(APP)/include/CAP.hrl
+	$t test -f $(APP)/include/Def.asn1db
+	$t test -f $(APP)/include/Def.hrl
+	$t test -f $(APP)/src/CAP.erl
+	$t test -f $(APP)/src/Def.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .asn1 file; check that only required files are rebuilt"
+# The use_cap.erl gets touched because of its dependency to CAP.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/CAP.beam \
+		$(APP)/ebin/use_cap.beam \
+		$(APP)/include/CAP.asn1db \
+		$(APP)/include/CAP.hrl \
+		$(APP)/src/CAP.erl \
+		$(APP)/src/use_cap.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/asn1/CAP.asn1
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/asn1/CAP.asn1 | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/asn1/CAP.asn1
+	$t test -f $(APP)/asn1/Def.asn1
+	$t test -f $(APP)/include/unrelated.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_cap.erl
+	$t test -f $(APP)/src/use_def.erl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/include/CAP.asn1db
+	$t test ! -e $(APP)/include/CAP.hrl
+	$t test ! -e $(APP)/include/Def.asn1db
+	$t test ! -e $(APP)/include/Def.hrl
+	$t test ! -e $(APP)/src/CAP.erl
+	$t test ! -e $(APP)/src/Def.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/CAP.beam
+	$t test -f $(APP)/ebin/Def.beam
+	$t test -f $(APP)/ebin/use_cap.beam
+	$t test -f $(APP)/ebin/use_def.beam
+	$t test -f $(APP)/include/CAP.asn1db
+	$t test -f $(APP)/include/CAP.hrl
+	$t test -f $(APP)/include/Def.asn1db
+	$t test -f $(APP)/include/Def.hrl
+	$t test -f $(APP)/src/CAP.erl
+	$t test -f $(APP)/src/Def.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-error: build clean-core-app-error
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate a bad .erl files"
+	$t touch $(APP)/src/breaking.erl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Check that trying to build returns non-zero"
+	$t if $(MAKE) -C $(APP) $v; then false; fi
+
+core-app-generate-erl: build clean-core-app-generate-erl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a fake script file to be used as dependency"
+	$t touch $(APP)/script.sh
+
+	$i "Append rules to the Makefile to generate a .erl module"
+	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
+	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@" >> $(APP)/Makefile
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the script file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/generated.beam \
+		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/script.sh
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/script.sh | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/script.sh
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+
+	$i "Check that the generated .erl file still exists"
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Add a rule to remove the generated .erl file on clean"
+	$t echo "clean:: ; rm src/generated.erl" >> $(APP)/Makefile
+
+	$i "Clean the application again"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that the generated .erl file was removed"
+	$t test ! -e $(APP)/src/generated.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-generate-erl-include: build clean-core-app-generate-erl-include
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a fake script file to be used as dependency"
+	$t touch $(APP)/script.sh
+
+	$i "Append rules to the Makefile to generate a .erl module"
+	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
+	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@; echo \"-include(\\\"included.hrl\\\").\" >> \$$@" >> $(APP)/Makefile
+
+	$i "Generate the .hrl file"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/included.hrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .hrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/generated.beam \
+		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/included.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/included.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-generate-erl-prepend: build clean-core-app-generate-erl-prepend
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a fake script file to be used as dependency"
+	$t touch $(APP)/script.sh
+
+	$i "Generate a Makefile and prepend rules that generate a .erl module"
+	$t echo "PROJECT = $(APP)" > $(APP)/Makefile
+	$t echo ".DEFAULT_GOAL = all" >> $(APP)/Makefile
+	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
+	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@" >> $(APP)/Makefile
+	$t echo "include erlang.mk" >> $(APP)/Makefile
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the script file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/generated.beam \
+		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/script.sh
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/script.sh | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/script.sh
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+
+	$i "Check that the generated .erl file still exists"
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Add a rule to remove the generated .erl file on clean"
+	$t echo "clean:: ; rm src/generated.erl" >> $(APP)/Makefile
+
+	$i "Clean the application again"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that the generated .erl file was removed"
+	$t test ! -e $(APP)/src/generated.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-hrl: build clean-core-app-hrl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate .hrl files"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/blue.hrl $(APP)/include/red.hrl
+
+	$i "Generate .erl files dependent from headers"
+	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
+	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .hrl file; check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/red.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/blue.hrl
+	$t test -f $(APP)/include/red.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_blue.erl
+	$t test -f $(APP)/src/use_red.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-hrl-recursive: build clean-core-app-hrl-recursive
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate .hrl files"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/blue.hrl $(APP)/include/pill.hrl
+	$t echo "-include(\"pill.hrl\")." > $(APP)/include/red.hrl
+
+	$i "Generate .erl files dependent from headers"
+	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
+	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the deepest .hrl file; check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl and pill.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/pill.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/pill.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/blue.hrl
+	$t test -f $(APP)/include/pill.hrl
+	$t test -f $(APP)/include/red.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_blue.erl
+	$t test -f $(APP)/src/use_red.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-mib: build clean-core-app-mib
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .mib files from Erlang/OTP"
+	$t mkdir $(APP)/mibs/
+	$t curl -s -o $(APP)/mibs/EX1-MIB.mib $(OTP_MASTER)/lib/snmp/examples/ex1/EX1-MIB.mib
+	$t curl -s -o $(APP)/mibs/OTP-REG.mib $(OTP_MASTER)/lib/otp_mibs/mibs/OTP-REG.mib
+
+	$i "Generate .erl files dependent from headers generated by .mib files"
+	$t printf "%s\n" "-module(use_v1)." "-include(\"EX1-MIB.hrl\")." > $(APP)/src/use_v1.erl
+	$t printf "%s\n" "-module(use_v2)." "-include(\"OTP-REG.hrl\")." > $(APP)/src/use_v2.erl
+
+	$i "Generate an unrelated .hrl file"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/unrelated.hrl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_v1.beam
+	$t test -f $(APP)/ebin/use_v2.beam
+	$t test -f $(APP)/include/EX1-MIB.hrl
+	$t test -f $(APP)/include/OTP-REG.hrl
+	$t test -f $(APP)/priv/mibs/EX1-MIB.bin
+	$t test -f $(APP)/priv/mibs/OTP-REG.bin
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_v1, use_v2]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .mib file; check that only required files are rebuilt"
+# The use_v1.erl gets touched because of its dependency to EX1-MIB.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_v1.beam \
+		$(APP)/include/EX1-MIB.hrl \
+		$(APP)/priv/mibs/EX1-MIB.bin \
+		$(APP)/src/use_v1.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/mibs/EX1-MIB.mib
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/mibs/EX1-MIB.mib | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_v1, use_v2]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/unrelated.hrl
+	$t test -f $(APP)/mibs/EX1-MIB.mib
+	$t test -f $(APP)/mibs/OTP-REG.mib
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_v1.erl
+	$t test -f $(APP)/src/use_v2.erl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/include/EX1-MIB.hrl
+	$t test ! -e $(APP)/include/OTP-REG.hrl
+	$t test ! -e $(APP)/priv/mibs/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_v1.beam
+	$t test -f $(APP)/ebin/use_v2.beam
+	$t test -f $(APP)/include/EX1-MIB.hrl
+	$t test -f $(APP)/include/OTP-REG.hrl
+	$t test -f $(APP)/priv/mibs/EX1-MIB.bin
+	$t test -f $(APP)/priv/mibs/OTP-REG.bin
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_v1, use_v2]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-no-app: build clean-core-app-no-app
+
+	$i "Bootstrap a project without an OTP library"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+	$t rm -rf $(APP)/src
+
+	$i "Build the project"
+	$t $(MAKE) -C $(APP) $v
+
+core-app-no-makedep: build clean-core-app-no-makedep
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Set NO_MAKEDEP ?= 1 in the Makefile"
+	$t sed -i.bak '2i\
+NO_MAKEDEP ?= 1\
+' $(APP)/Makefile
+
+	$i "Generate .hrl files"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/blue.hrl $(APP)/include/red.hrl
+
+	$i "Generate .erl files dependent from headers"
+	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
+	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .hrl file; check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl.
+	$t printf "%s\n" \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/red.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .hrl file; disable NO_MAKEDEP and check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/red.hrl
+	$t NO_MAKEDEP= $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/blue.hrl
+	$t test -f $(APP)/include/red.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_blue.erl
+	$t test -f $(APP)/src/use_red.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-xrl: build clean-core-app-xrl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .xrl files from Robert"
+	$t curl -s -o $(APP)/src/erlang_scan.xrl https://raw.githubusercontent.com/rvirding/leex/master/examples/erlang_scan.xrl
+	$t curl -s -o $(APP)/src/lfe_scan.xrl https://raw.githubusercontent.com/rvirding/leex/master/examples/lfe_scan.xrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Disable warnings; our test .xrl files aren't perfect"
+	$t echo "ERLC_OPTS=+debug_info" >> $(APP)/Makefile
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/erlang_scan.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/lfe_scan.beam
+	$t test -f $(APP)/src/erlang_scan.erl
+	$t test -f $(APP)/src/lfe_scan.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .xrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/erlang_scan.beam \
+		$(APP)/src/erlang_scan.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/erlang_scan.xrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/erlang_scan.xrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/erlang_scan.xrl
+	$t test -f $(APP)/src/girl.erl
+	$t test -f $(APP)/src/lfe_scan.xrl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/erlang_scan.erl
+	$t test ! -e $(APP)/src/lfe_scan.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/erlang_scan.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/lfe_scan.beam
+	$t test -f $(APP)/src/erlang_scan.erl
+	$t test -f $(APP)/src/lfe_scan.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-xrl-include: build clean-core-app-xrl-include
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download a .xrl file with numerous includes from Gordon"
+	$t curl -s -o $(APP)/src/xfl_lexer.xrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/formula_engine-1.0/priv/xfl_lexer.xrl
+	$t curl -s -o $(APP)/src/errvals.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/errvals.hrl
+	$t curl -s -o $(APP)/src/muin_proc_dict.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/muin_proc_dict.hrl
+	$t curl -s -o $(APP)/src/muin_records.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/muin_records.hrl
+	$t curl -s -o $(APP)/src/typechecks.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/typechecks.hrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Disable warnings; our test .xrl files aren't perfect"
+	$t echo "ERLC_OPTS=+debug_info" >> $(APP)/Makefile
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xfl_lexer.beam
+	$t test -f $(APP)/src/xfl_lexer.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .xrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xfl_lexer.beam \
+		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/xfl_lexer.xrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/xfl_lexer.xrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch a .hrl file included directly; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xfl_lexer.beam \
+		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/typechecks.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/typechecks.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch a .hrl file included indirectly; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xfl_lexer.beam \
+		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/errvals.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/errvals.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+	$t test -f $(APP)/src/errvals.hrl
+	$t test -f $(APP)/src/muin_proc_dict.hrl
+	$t test -f $(APP)/src/muin_records.hrl
+	$t test -f $(APP)/src/typechecks.hrl
+	$t test -f $(APP)/src/xfl_lexer.xrl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/xfl_lexer.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xfl_lexer.beam
+	$t test -f $(APP)/src/xfl_lexer.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-yrl: build clean-core-app-yrl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .yrl files from Erlang/OTP"
+	$t curl -s -o $(APP)/src/xmerl_xpath_parse.yrl $(OTP_MASTER)/lib/xmerl/src/xmerl_xpath_parse.yrl
+	$t curl -s -o $(APP)/src/xref_parser.yrl $(OTP_MASTER)/lib/tools/src/xref_parser.yrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xmerl_xpath_parse.beam
+	$t test -f $(APP)/ebin/xref_parser.beam
+	$t test -f $(APP)/src/xmerl_xpath_parse.erl
+	$t test -f $(APP)/src/xref_parser.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .yrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xref_parser.beam \
+		$(APP)/src/xref_parser.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/xref_parser.yrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/xref_parser.yrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+	$t test -f $(APP)/src/xmerl_xpath_parse.yrl
+	$t test -f $(APP)/src/xref_parser.yrl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/xmerl_xpath_parse.erl
+	$t test ! -e $(APP)/src/xref_parser.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xmerl_xpath_parse.beam
+	$t test -f $(APP)/ebin/xref_parser.beam
+	$t test -f $(APP)/src/xmerl_xpath_parse.erl
+	$t test -f $(APP)/src/xref_parser.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-yrl-include: build clean-core-app-yrl-include
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download a .yrl file with includes from Erlang/OTP"
+	$t curl -s -o $(APP)/src/core_parse.yrl $(OTP_MASTER)/lib/compiler/src/core_parse.yrl
+	$t curl -s -o $(APP)/src/core_parse.hrl $(OTP_MASTER)/lib/compiler/src/core_parse.hrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/core_parse.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/core_parse.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .yrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/core_parse.beam \
+		$(APP)/src/core_parse.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/core_parse.yrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/core_parse.yrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .hrl file included; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/core_parse.beam \
+		$(APP)/src/core_parse.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/core_parse.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/core_parse.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/core_parse.hrl
+	$t test -f $(APP)/src/core_parse.yrl
+	$t test -f $(APP)/src/girl.erl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/core_parse.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/core_parse.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/core_parse.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"

test/core_upgrade.mk

@@ -0,0 +1,124 @@
+# Core: Erlang.mk upgrade.
+
+CORE_UPGRADE_CASES = custom-build-dir custom-config custom-repo no-config renamed-config
+CORE_UPGRADE_TARGETS = $(addprefix core-upgrade-,$(CORE_UPGRADE_CASES))
+CORE_UPGRADE_CLEAN_TARGETS = $(addprefix clean-,$(CORE_UPGRADE_TARGETS))
+
+.PHONY: core-upgrade $(CORE_UPGRADE_TARGETS) clean-core-upgrade $(CORE_UPGRADE_CLEAN_TARGETS)
+
+clean-core-upgrade: $(CORE_UPGRADE_CLEAN_TARGETS)
+
+$(CORE_UPGRADE_CLEAN_TARGETS):
+	$t rm -rf $(APP_TO_CLEAN)/
+
+core-upgrade: $(CORE_UPGRADE_TARGETS)
+
+core-upgrade-custom-build-dir: build clean-core-upgrade-custom-build-dir
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Append a rule to the Erlang.mk file for testing purposes"
+	$t echo "erlang_mk_upgrade_test_rule: ; @echo FAIL" >> $(APP)/erlang.mk
+
+	$i "Check that the test rule works as intended"
+	$t test "FAIL" = "`$(MAKE) -C $(APP) --no-print-directory erlang_mk_upgrade_test_rule V=0`"
+
+	$i "Create the custom build directory"
+	$t mkdir $(APP)/custom/
+	$t test -d $(APP)/custom/
+
+	$i "Upgrade Erlang.mk with a custom build directory"
+	$t ERLANG_MK_BUILD_DIR=custom $(MAKE) -C $(APP) erlang-mk $v
+
+	$i "Check that the rule is gone"
+	$t if $(MAKE) -C $(APP) erlang_mk_upgrade_test_rule $v; then false; fi
+
+	$i "Check that the custom build directory is gone"
+	$t test ! -d $(APP)/custom/
+
+core-upgrade-custom-config: build clean-core-upgrade-custom-config
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a custom build.config file without plugins"
+	$t echo "core/*" > $(APP)/build.config
+
+	$i "Upgrade Erlang.mk"
+	$t $(MAKE) -C $(APP) erlang-mk $v
+
+	$i "Check that the bootstrap plugin is gone"
+	$t if $(MAKE) -C $(APP) list-templates $v; then false; fi
+
+core-upgrade-custom-repo: build clean-core-upgrade-custom-repo
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Fork erlang.mk locally and modify it"
+	$t git clone -q https://github.com/ninenines/erlang.mk $(APP)/alt-erlangmk-repo
+	$t sed -i.bak '1i\
+# Copyright (c) erlang.mk Testsuite!\
+' $(APP)/alt-erlangmk-repo/core/core.mk
+	$t (cd $(APP)/alt-erlangmk-repo && \
+		git checkout -q -b test-copyright && \
+		git config user.email "testsuite@erlang.mk" && \
+		git config user.name "test suite" && \
+		git commit -q -a -m 'Add Testsuite copyright')
+
+	$i "Point application to an alternate erlang.mk repository"
+	$t sed -i.bak '2i\
+ERLANG_MK_REPO = file://$(abspath $(APP)/alt-erlangmk-repo)\
+ERLANG_MK_COMMIT = test-copyright\
+' $(APP)/Makefile
+
+	$i "Update erlang.mk"
+	$t $(MAKE) -C $(APP) erlang-mk $v
+
+	$i "Check our modification is there"
+	$t grep -q "# Copyright (c) erlang.mk Testsuite!" $(APP)/erlang.mk
+
+core-upgrade-no-config: build clean-core-upgrade-no-config
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Append a rule to the Erlang.mk file for testing purposes"
+	$t echo "erlang_mk_upgrade_test_rule: ; @echo FAIL" >> $(APP)/erlang.mk
+
+	$i "Check that the test rule works as intended"
+	$t test "FAIL" = "`$(MAKE) -C $(APP) --no-print-directory erlang_mk_upgrade_test_rule V=0`"
+
+	$i "Upgrade Erlang.mk"
+	$t $(MAKE) -C $(APP) erlang-mk $v
+
+	$i "Check that the rule is gone"
+	$t if $(MAKE) -C $(APP) erlang_mk_upgrade_test_rule $v; then false; fi
+
+core-upgrade-renamed-config: build clean-core-upgrade-renamed-config
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a custom build.config file without plugins; name it my.build.config"
+	$t echo "core/*" > $(APP)/my.build.config
+
+	$i "Set ERLANG_MK_BUILD_CONFIG=my.build.config in the Makefile"
+	$t echo "ERLANG_MK_BUILD_CONFIG = my.build.config" >> $(APP)/Makefile
+
+	$i "Upgrade Erlang.mk"
+	$t $(MAKE) -C $(APP) erlang-mk $v
+
+	$i "Check that the bootstrap plugin is gone"
+	$t if $(MAKE) -C $(APP) list-templates $v; then false; fi

test/plugin_bootstrap.mk

@@ -0,0 +1,138 @@
+# Bootstrap plugin.
+
+BOOTSTRAP_CASES = app lib rel templates
+BOOTSTRAP_TARGETS = $(addprefix bootstrap-,$(BOOTSTRAP_CASES))
+BOOTSTRAP_CLEAN_TARGETS = $(addprefix clean-,$(BOOTSTRAP_TARGETS))
+
+.PHONY: bootstrap $(BOOTSTRAP_TARGETS) clean-bootstrap $(BOOTSTRAP_CLEAN_TARGETS)
+
+clean-bootstrap: $(BOOTSTRAP_CLEAN_TARGETS)
+
+$(BOOTSTRAP_CLEAN_TARGETS):
+	$t rm -rf $(APP_TO_CLEAN)/
+
+bootstrap: $(BOOTSTRAP_TARGETS)
+
+bootstrap-app: build clean-bootstrap-app
+
+	$i "Bootstrap a new OTP application named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap $v
+
+	$i "Check that all bootstrapped files exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/$(APP)_app.erl
+	$t test -f $(APP)/src/$(APP)_sup.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/$(APP)_app.beam
+	$t test -f $(APP)/ebin/$(APP)_sup.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, [$(APP)_app, $(APP)_sup]} = application:get_key($(APP), modules), \
+		{module, $(APP)_app} = code:load_file($(APP)_app), \
+		{module, $(APP)_sup} = code:load_file($(APP)_sup), \
+		halt()"
+
+bootstrap-lib: build clean-bootstrap-lib
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Check that all bootstrapped files exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/src/$(APP).app.src
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/ebin/$(APP).app
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, []} = application:get_key($(APP), modules), \
+		halt()"
+
+bootstrap-rel: build clean-bootstrap-rel
+
+	$i "Bootstrap a new release-enabled OTP application named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap bootstrap-rel $v
+
+	$i "Check that all bootstrapped files exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/relx.config
+	$t test -f $(APP)/rel/sys.config
+	$t test -f $(APP)/rel/vm.args
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/$(APP)_app.erl
+	$t test -f $(APP)/src/$(APP)_sup.erl
+
+	$i "Build the application and the release"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/$(APP)_app.beam
+	$t test -f $(APP)/ebin/$(APP)_sup.beam
+
+	$i "Check that the release was generated"
+	$t test -f $(APP)/_rel/$(APP)_release/bin/$(APP)_release
+
+	$i "Check that the release can be started and stopped"
+	$t $(APP)/_rel/$(APP)_release/bin/$(APP)_release start $v
+	$t $(APP)/_rel/$(APP)_release/bin/$(APP)_release stop $v
+
+	$i "Check that there's no erl_crash.dump file"
+	$t test ! -f $(APP)/_rel/$(APP)_release/erl_crash.dump
+
+bootstrap-templates: build clean-bootstrap-templates
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Check that we can get the list of templates"
+	$t test `$(MAKE) -C $(APP) --no-print-directory list-templates V=0 | wc -l` -eq 1
+
+	$i "Generate one of each template"
+	$t $(MAKE) -C $(APP) --no-print-directory new t=gen_fsm n=my_fsm
+	$t $(MAKE) -C $(APP) --no-print-directory new t=gen_server n=my_server
+	$t $(MAKE) -C $(APP) --no-print-directory new t=supervisor n=my_sup
+	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_http n=my_http
+	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_loop n=my_loop
+	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_rest n=my_rest
+	$t $(MAKE) -C $(APP) --no-print-directory new t=cowboy_ws n=my_ws
+	$t $(MAKE) -C $(APP) --no-print-directory new t=ranch_protocol n=my_protocol
+
+# Here we disable warnings because templates contain missing behaviors.
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) ERLC_OPTS=+debug_info $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/my_fsm.beam
+	$t test -f $(APP)/ebin/my_server.beam
+	$t test -f $(APP)/ebin/my_sup.beam
+
+	$i "Check that all the modules can be loaded"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [my_fsm, my_http, my_loop, my_protocol, my_rest, my_server, my_sup, my_ws]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"