Enabled the c_src plugin by default

README.md

@@ -260,7 +260,7 @@ templates.
 C compiler plugin
 -----------------
 
-This plugin is not included by default. It is meant to
+This plugin is available by default. It is meant to
 simplify the management of projects that include C source
 code, like NIFs.
 

build.config

@@ -10,7 +10,7 @@ core/erlc
 #
 # Comment to disable, uncomment to enable.
 plugins/bootstrap
-#plugins/c_src
+plugins/c_src
 plugins/ct
 plugins/dialyzer
 plugins/edoc

erlang.mk

@@ -575,6 +575,87 @@ endif
 list-templates:
 	@echo Available templates: $(sort $(patsubst tpl_%,%,$(filter tpl_%,$(.VARIABLES))))
 
+# Copyright (c) 2014, Loïc Hoguin <essen@ninenines.eu>
+# This file is part of erlang.mk and subject to the terms of the ISC License.
+
+.PHONY: clean-c_src distclean-c_src-env
+# todo
+
+# Configuration.
+
+C_SRC_DIR = $(CURDIR)/c_src
+C_SRC_ENV ?= $(C_SRC_DIR)/env.mk
+C_SRC_OPTS ?=
+C_SRC_OUTPUT ?= $(CURDIR)/priv/$(PROJECT).so
+
+# System type and C compiler/flags.
+
+UNAME_SYS := $(shell uname -s)
+ifeq ($(UNAME_SYS), Darwin)
+	CC ?= cc
+	CFLAGS ?= -O3 -std=c99 -arch x86_64 -flat_namespace -undefined suppress -finline-functions -Wall -Wmissing-prototypes
+else ifeq ($(UNAME_SYS), FreeBSD)
+	CC ?= cc
+	CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
+else ifeq ($(UNAME_SYS), Linux)
+	CC ?= gcc
+	CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
+endif
+
+CFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
+
+LDLIBS += -L $(ERL_INTERFACE_LIB_DIR) -lerl_interface -lei
+LDFLAGS += -shared
+
+# Verbosity.
+
+c_src_verbose_0 = @echo " C_SRC " $(?F);
+c_src_verbose = $(c_src_verbose_$(V))
+
+# Targets.
+
+ifeq ($(wildcard $(C_SRC_DIR)),)
+else ifneq ($(wildcard $(C_SRC_DIR)/Makefile),)
+app::
+	$(MAKE) -C $(C_SRC_DIR)
+
+clean::
+	$(MAKE) -C $(C_SRC_DIR) clean
+
+else
+SOURCE := $(shell find $(C_SRC_DIR) -type f -name \*.c)
+
+app:: $(C_SRC_ENV) $(C_SRC_OUTPUT)
+
+$(C_SRC_OUTPUT): $(SOURCE)
+	@mkdir -p priv/
+	$(c_src_verbose) $(CC) $(CFLAGS) $(SOURCE) \
+		$(LDFLAGS) $(LDLIBS) -o $(C_SRC_OUTPUT) $(C_SRC_OPTS)
+
+$(C_SRC_ENV):
+	@erl -noshell -noinput -eval "file:write_file(\"$(C_SRC_ENV)\", \
+		io_lib:format( \
+			\"ERTS_INCLUDE_DIR ?= ~s/erts-~s/include/~n\" \
+			\"ERL_INTERFACE_INCLUDE_DIR ?= ~s~n\" \
+			\"ERL_INTERFACE_LIB_DIR ?= ~s~n\", \
+			[code:root_dir(), erlang:system_info(version), \
+			code:lib_dir(erl_interface, include), \
+			code:lib_dir(erl_interface, lib)])), \
+		erlang:halt()."
+
+clean:: clean-c_src
+
+clean-c_src:
+	$(gen_verbose) rm -f $(C_SRC_OUTPUT)
+
+distclean:: distclean-c_src-env
+
+distclean-c_src-env:
+	$(gen_verbose) rm -f $(C_SRC_ENV)
+
+-include $(C_SRC_ENV)
+endif
+
 # Copyright (c) 2013-2014, Loïc Hoguin <essen@ninenines.eu>
 # This file is part of erlang.mk and subject to the terms of the ISC License.