Initial support for NIFs

build.config

@@ -9,6 +9,7 @@ core/erlc
 # Plugins.
 #
 # Comment to disable, uncomment to enable.
+#plugins/c_src
 plugins/ct
 plugins/dialyzer
 plugins/erlydtl

plugins/c_src.mk

@@ -0,0 +1,51 @@
+# 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
+# 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
+
+# Verbosity.
+
+c_src_verbose_0 = @echo " C_SRC " $(?F);
+c_src_verbose = $(appsrc_verbose_$(V))
+
+# Targets.
+
+ifeq ($(wildcard $(C_SRC_DIR)/Makefile),)
+
+app:: $(C_SRC_ENV)
+	@mkdir -p priv/
+	$(c_src_verbose) gcc $(C_SRC_DIR)/*.c -fPIC -shared -o $(C_SRC_OUTPUT) \
+		-I $(ERTS_INCLUDE_DIR) $(C_SRC_OPTS)
+
+$(C_SRC_ENV):
+	erl -noshell -noinput -eval "file:write_file(\"$(C_SRC_ENV)\", \
+		io_lib:format(\"ERTS_INCLUDE_DIR ?= ~s/erts-~s/include/\", \
+			[code:root_dir(), erlang:system_info(version)])), \
+		init:stop()."
+
+-include $(C_SRC_ENV)
+
+else
+ifneq ($(wildcard $(C_SRC_DIR),))
+
+app::
+	$(MAKE) -C $(C_SRC_DIR)
+
+clean::
+	$(MAKE) -C $(C_SRC_DIR) clean
+
+endif
+endif
+
+clean:: clean-c_src
+
+clean-c_src:
+	$(gen_verbose) rm -f $(C_SRC_ENV) $(C_SRC_OUTPUT)