olm/Makefile

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Makefile
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#!/usr/bin/make -f
BUILD_DIR := build
RELEASE_OPTIMIZE_FLAGS ?= -g -O3
DEBUG_OPTIMIZE_FLAGS ?= -g -O0
JS_OPTIMIZE_FLAGS ?= -O3
FUZZING_OPTIMIZE_FLAGS ?= -O3
CC = gcc
EMCC = emcc
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AFL_CC = afl-gcc
AFL_CXX = afl-g++
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
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PUBLIC_HEADERS := include/olm/olm.h
SOURCES := $(wildcard src/*.cpp) $(wildcard src/*.c) \
lib/crypto-algorithms/sha256.c \
lib/crypto-algorithms/aes.c \
lib/curve25519-donna/curve25519-donna.c
FUZZER_SOURCES := $(wildcard fuzzers/fuzz_*.cpp) $(wildcard fuzzers/fuzz_*.c)
TEST_SOURCES := $(wildcard tests/test_*.cpp) $(wildcard tests/test_*.c)
OBJECTS := $(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES)))
RELEASE_OBJECTS := $(addprefix $(BUILD_DIR)/release/,$(OBJECTS))
DEBUG_OBJECTS := $(addprefix $(BUILD_DIR)/debug/,$(OBJECTS))
FUZZER_OBJECTS := $(addprefix $(BUILD_DIR)/fuzzers/objects/,$(OBJECTS))
FUZZER_BINARIES := $(addprefix $(BUILD_DIR)/,$(basename $(FUZZER_SOURCES)))
FUZZER_DEBUG_BINARIES := $(patsubst $(BUILD_DIR)/fuzzers/fuzz_%,$(BUILD_DIR)/fuzzers/debug_%,$(FUZZER_BINARIES))
TEST_BINARIES := $(patsubst tests/%,$(BUILD_DIR)/tests/%,$(basename $(TEST_SOURCES)))
JS_OBJECTS := $(addprefix $(BUILD_DIR)/javascript/,$(OBJECTS))
JS_PRE := $(wildcard javascript/*pre.js)
JS_POST := $(wildcard javascript/*post.js)
CPPFLAGS += -Iinclude -Ilib
# we rely on <stdint.h>, which was introduced in C99
CFLAGS += -Wall -Werror -std=c99 -fPIC
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CXXFLAGS += -Wall -Werror -std=c++11 -fPIC
LDFLAGS += -Wall -Werror
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)
AFL.c = $(AFL_CC) $(CFLAGS) $(CPPFLAGS) -c
AFL.cc = $(AFL_CXX) $(CXXFLAGS) $(CPPFLAGS) -c
AFL_LINK.c = $(AFL_CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS)
AFL_LINK.cc = $(AFL_CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS)
# 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 += $(DEBUG_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
$(FUZZER_OBJECTS): CFLAGS += $(FUZZER_OPTIMIZE_FLAGS)
$(FUZZER_OBJECTS): CXXFLAGS += $(FUZZER_OPTIMIZE_FLAGS)
$(FUZZER_BINARIES): CPPFLAGS += -Ifuzzers/include
$(FUZZER_BINARIES): LDFLAGS += $(FUZZER_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
$(FUZZER_DEBUG_BINARIES): CPPFLAGS += -Ifuzzers/include
$(FUZZER_DEBUG_BINARIES): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
$(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
$(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 $@
build_tests: $(TEST_BINARIES)
test: build_tests
for i in $(TEST_BINARIES); do \
echo $$i; \
$$i || exit $$?; \
done
fuzzers: $(FUZZER_BINARIES) $(FUZZER_DEBUG_BINARIES)
.PHONY: fuzzers
$(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: all
clean:;
rm -rf $(BUILD_DIR)
.PHONY: clean
### rules for building objects
$(BUILD_DIR)/release/%.o: %.c
mkdir -p $(dir $@)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/release/%.o: %.cpp
mkdir -p $(dir $@)
$(COMPILE.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/debug/%.o: %.c
mkdir -p $(dir $@)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/debug/%.o: %.cpp
mkdir -p $(dir $@)
$(COMPILE.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/javascript/%.o: %.c
mkdir -p $(dir $@)
$(EMCC.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/javascript/%.o: %.cpp
mkdir -p $(dir $@)
$(EMCC.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/tests/%: tests/%.c $(DEBUG_OBJECTS)
mkdir -p $(dir $@)
$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
mkdir -p $(dir $@)
$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/fuzzers/objects/%.o: %.c
mkdir -p $(dir $@)
$(AFL.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/fuzzers/objects/%.o: %.cpp
mkdir -p $(dir $@)
$(AFL.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/fuzzers/fuzz_%: fuzzers/fuzz_%.c $(FUZZER_OBJECTS)
$(AFL_LINK.c) $< $(FUZZER_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/fuzzers/fuzz_%: fuzzers/fuzz_%.cpp $(FUZZER_OBJECTS)
$(AFL_LINK.cc) $< $(FUZZER_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/fuzzers/debug_%: fuzzers/fuzz_%.c $(DEBUG_OBJECTS)
$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/fuzzers/debug_%: fuzzers/fuzz_%.cpp $(DEBUG_OBJECTS)
$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
### dependencies
-include $(RELEASE_OBJECTS:.o=.d)
-include $(DEBUG_OBJECTS:.o=.d)
-include $(JS_OBJECTS:.o=.d)
-include $(TEST_BINARIES:=.d)
-include $(FUZZER_OBJECTS:.o=.d)
-include $(FUZZER_BINARIES:=.d)
-include $(FUZZER_DEBUG_BINARIES:=.d)