Merge pull request #168 from tsloughter/cmake

cmake template

2 files changed, 76 insertions, 0 deletions

diff --git a/priv/templates/Makefile.dtl b/priv/templates/Makefile.dtl
new file mode 100644
index 0000000..88357d1
--- /dev/null
+++ b/priv/templates/Makefile.dtl
@@ -0,0 +1,74 @@
+# Based on c_src.mk from erlang.mk by Loïc Hoguin <essen@ninenines.eu>
+
+CURDIR := $(shell pwd)
+BASEDIR := $(abspath $(CURDIR)/..)
+
+PROJECT ?= $(notdir $(BASEDIR))
+PROJECT := $(strip $(PROJECT))
+
+ERTS_INCLUDE_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s/erts-~s/include/\", [code:root_dir(), erlang:system_info(version)]).")
+ERL_INTERFACE_INCLUDE_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s\", [code:lib_dir(erl_interface, include)]).")
+ERL_INTERFACE_LIB_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s\", [code:lib_dir(erl_interface, lib)]).")
+
+C_SRC_DIR = $(CURDIR)
+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 -finline-functions -Wall -Wmissing-prototypes
+    CXXFLAGS ?= -O3 -arch x86_64 -finline-functions -Wall
+    LDFLAGS ?= -arch x86_64 -flat_namespace -undefined suppress
+else ifeq ($(UNAME_SYS), FreeBSD)
+    CC ?= cc
+    CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
+    CXXFLAGS ?= -O3 -finline-functions -Wall
+else ifeq ($(UNAME_SYS), Linux)
+    CC ?= gcc
+    CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
+    CXXFLAGS ?= -O3 -finline-functions -Wall
+endif
+
+CFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
+CXXFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
+
+LDLIBS += -L $(ERL_INTERFACE_LIB_DIR) -lerl_interface -lei
+LDFLAGS += -shared
+
+# Verbosity.
+
+c_verbose_0 = @echo " C     " $(?F);
+c_verbose = $(c_verbose_$(V))
+
+cpp_verbose_0 = @echo " CPP   " $(?F);
+cpp_verbose = $(cpp_verbose_$(V))
+
+link_verbose_0 = @echo " LD    " $(@F);
+link_verbose = $(link_verbose_$(V))
+
+SOURCES := $(shell find $(C_SRC_DIR) -type f \( -name "*.c" -o -name "*.C" -o -name "*.cc" -o -name "*.cpp" \))
+OBJECTS = $(addsuffix .o, $(basename $(SOURCES)))
+
+COMPILE_C = $(c_verbose) $(CC) $(CFLAGS) $(CPPFLAGS) -c
+COMPILE_CPP = $(cpp_verbose) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c
+
+$(C_SRC_OUTPUT): $(OBJECTS)
+    @mkdir -p $(BASEDIR)/priv/
+    $(link_verbose) $(CC) $(OBJECTS) $(LDFLAGS) $(LDLIBS) -o $(C_SRC_OUTPUT)
+
+%.o: %.c
+    $(COMPILE_C) $(OUTPUT_OPTION) $<
+
+%.o: %.cc
+    $(COMPILE_CPP) $(OUTPUT_OPTION) $<
+
+%.o: %.C
+    $(COMPILE_CPP) $(OUTPUT_OPTION) $<
+
+%.o: %.cpp
+    $(COMPILE_CPP) $(OUTPUT_OPTION) $<
+
+clean:
+    @rm $(C_SRC_OUTPUT) $(OBJECTS)
diff --git a/priv/templates/cmake.template b/priv/templates/cmake.template
new file mode 100644
index 0000000..b3f23e8
--- /dev/null
+++ b/priv/templates/cmake.template
@@ -0,0 +1,2 @@
+{description, "Makefile for building C/C++ in c_src"}.
+{template, "Makefile.dtl", "c_src/Makefile"}.