1 files changed, 148 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1950016
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,148 @@
+#!/usr/bin/make -f
+
+BUILD_DIR := build
+RELEASE_OPTIMIZE_FLAGS ?= -g -O3
+DEBUG_OPTIMIZE_FLAGS ?= -g -O0
+JS_OPTIMIZE_FLAGS ?= -O3
+CC = gcc
+EMCC = emcc
+RELEASE_TARGET := $(BUILD_DIR)/libolm.so
+DEBUG_TARGET := $(BUILD_DIR)/libolm_debug.so
+JS_TARGET := javascript/olm.js
+
+JS_EXPORTED_FUNCTIONS := javascript/exported_functions.json
+
+PUBLIC_HEADERS := include/olm/olm.hh
+
+SOURCES := $(wildcard src/*.cpp) $(wildcard src/*.c)
+RELEASE_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/release/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
+DEBUG_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/debug/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
+TEST_SOURCES := $(wildcard tests/test_*.cpp) $(wildcard tests/test_*.c)
+TEST_BINARIES := $(patsubst tests/%,$(BUILD_DIR)/tests/%,$(patsubst %.c,%,$(patsubst %.cpp,%,$(TEST_SOURCES))))
+JS_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/javascript/%,$(patsubst %.c,%.js.bc,$(patsubst %.cpp,%.js.bc,$(SOURCES))))
+JS_PRE := $(wildcard javascript/*pre.js)
+JS_POST := $(wildcard javascript/*post.js)
+
+CPPFLAGS += -Iinclude -Ilib
+CFLAGS += -Wall -std=c89 -fPIC
+CXXFLAGS += -Wall -std=c++11 -fPIC
+LDFLAGS += -Wall
+
+EMCCFLAGS = --closure 1 --memory-init-file 0 -s NO_FILESYSTEM=1 -s INVOKE_RUN=0
+# NO_BROWSER is kept for compatibility with emscripten 1.35.24, but is no
+# longer needed.
+EMCCFLAGS += -s NO_BROWSER=1
+
+EMCC.c = $(EMCC) $(CFLAGS) $(CPPFLAGS) -c
+EMCC.cc = $(EMCC) $(CXXFLAGS) $(CPPFLAGS) -c
+EMCC_LINK = $(EMCC) $(LDFLAGS) $(EMCCFLAGS)
+
+# generate .d files when compiling
+CPPFLAGS += -MMD
+
+### per-target variables
+
+$(RELEASE_OBJECTS): CFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
+$(RELEASE_OBJECTS): CXXFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
+$(RELEASE_TARGET): LDFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
+
+$(DEBUG_OBJECTS): CFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
+$(DEBUG_OBJECTS): CXXFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
+$(DEBUG_TARGET): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
+
+$(TEST_BINARIES): CPPFLAGS += -Itests/include
+$(TEST_BINARIES): LDFLAGS += $(TEST_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
+
+$(JS_OBJECTS): CFLAGS += $(JS_OPTIMIZE_FLAGS)
+$(JS_OBJECTS): CXXFLAGS += $(JS_OPTIMIZE_FLAGS)
+$(JS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
+
+### top-level targets
+
+lib: $(RELEASE_TARGET)
+.PHONY: lib
+
+# Make sure that the build directory exists.
+# We can't check the build directory into git because it is empty.
+makedirs:
+	mkdir -p $(BUILD_DIR)/release $(BUILD_DIR)/debug $(BUILD_DIR)/javascript $(BUILD_DIR)/tests
+.PHONY: makedirs
+
+$(RELEASE_TARGET): $(RELEASE_OBJECTS)
+	$(CXX) $(LDFLAGS) --shared -fPIC \
+            -Wl,--version-script,version_script.ver \
+            $(OUTPUT_OPTION) $(RELEASE_OBJECTS)
+
+debug: $(DEBUG_TARGET)
+.PHONY: debug
+
+$(DEBUG_TARGET): $(DEBUG_OBJECTS)
+	$(CXX) $(LDFLAGS) --shared -fPIC \
+            -Wl,--version-script,version_script.ver \
+            $(OUTPUT_OPTION) $(DEBUG_OBJECTS)
+
+
+js: $(JS_TARGET)
+.PHONY: js
+
+$(JS_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS)
+	$(EMCC_LINK) \
+               --pre-js $(JS_PRE) --post-js $(JS_POST) \
+               -s "EXPORTED_FUNCTIONS=@$(JS_EXPORTED_FUNCTIONS)" \
+               $(JS_OBJECTS) -o $@
+
+clean:;
+	rm -rf $(RELEASE_OBJECTS) $(RELEASE_OBJECTS:.o=.d) \
+               $(DEBUG_OBJECTS) $(DEBUG_OBJECTS:.o=.d) \
+               $(TEST_BINARIES) $(TEST_BINARIES:=.d) \
+               $(JS_OBJECTS) $(JS_OBJECTS:.bc=.d) $(JS_TARGET) \
+               $(JS_EXPORTED_FUNCTIONS) \
+               $(RELEASE_TARGET) $(DEBUG_TARGET)\
+
+build_tests: $(TEST_BINARIES)
+
+test: build_tests
+	for i in $(TEST_BINARIES); do \
+	    echo $$i; \
+	    $$i || exit $$?; \
+	done
+
+$(JS_EXPORTED_FUNCTIONS): $(PUBLIC_HEADERS)
+	perl -MJSON -ne '/(olm_[^( ]*)\(/ && push @f, "_$$1"; END { print encode_json \@f }' $^ > $@.tmp
+	mv $@.tmp $@
+
+all: test js lib debug
+.PHONY: lib
+
+### rules for building objects
+$(BUILD_DIR)/release/%.o: src/%.c | makedirs
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/release/%.o: src/%.cpp | makedirs
+	$(COMPILE.cc) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/debug/%.o: src/%.c | makedirs
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/debug/%.o: src/%.cpp | makedirs
+	$(COMPILE.cc) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/javascript/%.js.bc: src/%.c | makedirs
+	$(EMCC.c) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/javascript/%.js.bc: src/%.cpp | makedirs
+	$(EMCC.cc) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/tests/%: tests/%.c $(DEBUG_OBJECTS)
+	$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
+
+$(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
+	$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
+
+
+### dependencies
+
+-include $(RELEASE_OBJECTS:.o=.d)
+-include $(DEBUG_OBJECTS:.o=.d)
+-include $(JS_OBJECTS:.bc=.d)
+-include $(TEST_BINARIES:=.d)