olm/Makefile

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Makefile
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#!/usr/bin/make -f
include common.mk
VERSION := $(MAJOR).$(MINOR).$(PATCH)
PREFIX ?= /usr/local
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++
AR = ar
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UNAME := $(shell uname)
ifeq ($(UNAME),Darwin)
SO := dylib
OLM_LDFLAGS :=
else
SO := so
OLM_LDFLAGS := -Wl,-soname,libolm.so.$(MAJOR) \
-Wl,--version-script,version_script.ver
endif
RELEASE_TARGET := $(BUILD_DIR)/libolm.$(SO).$(VERSION)
STATIC_RELEASE_TARGET := $(BUILD_DIR)/libolm.a
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DEBUG_TARGET := $(BUILD_DIR)/libolm_debug.$(SO).$(VERSION)
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JS_WASM_TARGET := javascript/olm.js
JS_ASMJS_TARGET := javascript/olm_legacy.js
JS_EXPORTED_FUNCTIONS := javascript/exported_functions.json
JS_EXTRA_EXPORTED_RUNTIME_METHODS := ALLOC_STACK
JS_EXTERNS := javascript/externs.js
PUBLIC_HEADERS := include/olm/olm.h include/olm/outbound_group_session.h include/olm/inbound_group_session.h include/olm/pk.h include/olm/sas.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))
# pre & post are the js-pre/js-post options to emcc.
# They are injected inside the modularised code and
# processed by the optimiser.
JS_PRE := $(wildcard javascript/*pre.js)
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JS_POST := javascript/olm_outbound_group_session.js \
javascript/olm_inbound_group_session.js \
javascript/olm_pk.js \
javascript/olm_sas.js \
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javascript/olm_post.js
# The prefix & suffix are just added onto the start & end
# of what comes out emcc, so are outside of the modularised
# code and not seen by the opimiser.
JS_PREFIX := javascript/olm_prefix.js
JS_SUFFIX := javascript/olm_suffix.js
DOCS := tracing/README.html \
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docs/megolm.html \
docs/olm.html \
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docs/signing.html \
README.html \
CHANGELOG.html
CPPFLAGS += -Iinclude -Ilib \
-DOLMLIB_VERSION_MAJOR=$(MAJOR) -DOLMLIB_VERSION_MINOR=$(MINOR) \
-DOLMLIB_VERSION_PATCH=$(PATCH)
# 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 -s MODULARIZE=1
# Olm generally doesn't need a lot of memory to encrypt / decrypt its usual
# payloads (ie. Matrix messages), but we do need about 128K of heap to encrypt
# a 64K event (enough to store the ciphertext and the plaintext, bearing in
# mind that the plaintext can only be 48K because base64). We also have about
# 36K of statics. So let's have 256K of memory.
# (This can't be changed by the app with wasm since it's baked into the wasm).
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# (emscripten also mandates at least 16MB of memory for asm.js now, so
# we don't use this for the legacy build.)
EMCCFLAGS_WASM += -s TOTAL_STACK=65536 -s TOTAL_MEMORY=262144
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EMCCFLAGS_ASMJS += -s WASM=0
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 += $(JS_OPTIMIZE_FLAGS)
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$(JS_WASM_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
$(JS_ASMJS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
### Fix to make mkdir work on windows and linux
ifeq ($(shell echo "check_quotes"),"check_quotes")
WINDOWS := yes
else
WINDOWS := no
endif
ifeq ($(WINDOWS),yes)
mkdir = mkdir $(subst /,\,$(1)) > nul 2>&1 || (exit 0)
else
mkdir = mkdir -p $(1)
endif
### top-level targets
lib: $(RELEASE_TARGET)
.PHONY: lib
$(RELEASE_TARGET): $(RELEASE_OBJECTS)
$(CXX) $(LDFLAGS) --shared -fPIC \
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$(OLM_LDFLAGS) \
$(OUTPUT_OPTION) $(RELEASE_OBJECTS)
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ln -sf libolm.$(SO).$(VERSION) $(BUILD_DIR)/libolm.$(SO).$(MAJOR)
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ln -sf libolm.$(SO).$(VERSION) $(BUILD_DIR)/libolm.$(SO)
debug: $(DEBUG_TARGET)
.PHONY: debug
$(DEBUG_TARGET): $(DEBUG_OBJECTS)
$(CXX) $(LDFLAGS) --shared -fPIC \
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$(OLM_LDFLAGS) \
$(OUTPUT_OPTION) $(DEBUG_OBJECTS)
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ln -sf libolm_debug.$(SO).$(VERSION) $(BUILD_DIR)/libolm_debug.$(SO).$(MAJOR)
static: $(STATIC_RELEASE_TARGET)
.PHONY: static
$(STATIC_RELEASE_TARGET): $(RELEASE_OBJECTS)
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$(AR) rcs $@ $^
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js: $(JS_WASM_TARGET) $(JS_ASMJS_TARGET)
.PHONY: js
# Note that the output file we give to emcc determines the name of the
# wasm file baked into the js, hence messing around outputting to olm.js
# and then renaming it.
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$(JS_WASM_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS) $(JS_PREFIX) $(JS_SUFFIX)
EMCC_CLOSURE_ARGS="--externs $(JS_EXTERNS)" $(EMCC_LINK) \
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$(EMCCFLAGS_WASM) \
$(foreach f,$(JS_PRE),--pre-js $(f)) \
$(foreach f,$(JS_POST),--post-js $(f)) \
-s "EXPORTED_FUNCTIONS=@$(JS_EXPORTED_FUNCTIONS)" \
-s "EXTRA_EXPORTED_RUNTIME_METHODS=$(JS_EXTRA_EXPORTED_RUNTIME_METHODS)" \
$(JS_OBJECTS) -o $@
mv $@ javascript/olmtmp.js
cat $(JS_PREFIX) javascript/olmtmp.js $(JS_SUFFIX) > $@
rm javascript/olmtmp.js
$(JS_ASMJS_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS) $(JS_PREFIX) $(JS_SUFFIX)
EMCC_CLOSURE_ARGS="--externs $(JS_EXTERNS)" $(EMCC_LINK) \
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$(EMCCFLAGS_ASMJS) \
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$(foreach f,$(JS_PRE),--pre-js $(f)) \
$(foreach f,$(JS_POST),--post-js $(f)) \
-s "EXPORTED_FUNCTIONS=@$(JS_EXPORTED_FUNCTIONS)" \
-s "EXTRA_EXPORTED_RUNTIME_METHODS=$(JS_EXTRA_EXPORTED_RUNTIME_METHODS)" \
$(JS_OBJECTS) -o $@
mv $@ javascript/olmtmp.js
cat $(JS_PREFIX) javascript/olmtmp.js $(JS_SUFFIX) > $@
rm javascript/olmtmp.js
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)
./exports.py $^ > $@.tmp
mv $@.tmp $@
all: test js lib debug doc
.PHONY: all
install-headers: $(PUBLIC_HEADERS)
test -d $(DESTDIR)$(PREFIX)/include/olm || $(call mkdir,$(DESTDIR)$(PREFIX)/include/olm)
install -Dm644 $(PUBLIC_HEADERS) $(DESTDIR)$(PREFIX)/include/olm/
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.PHONY: install-headers
install-debug: debug install-headers
test -d $(DESTDIR)$(PREFIX)/lib || $(call mkdir,$(DESTDIR)$(PREFIX)/lib)
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install -Dm755 $(DEBUG_TARGET) $(DESTDIR)$(PREFIX)/lib/libolm_debug.$(SO).$(VERSION)
ln -sf libolm_debug.$(SO).$(VERSION) $(DESTDIR)$(PREFIX)/lib/libolm_debug.$(SO).$(MAJOR)
ln -sf libolm_debug.$(SO).$(VERSION) $(DESTDIR)$(PREFIX)/lib/libolm_debug.$(SO)
.PHONY: install-debug
install: lib install-headers
test -d $(DESTDIR)$(PREFIX)/lib || $(call mkdir,$(DESTDIR)$(PREFIX)/lib)
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install -Dm755 $(RELEASE_TARGET) $(DESTDIR)$(PREFIX)/lib/libolm.$(SO).$(VERSION)
ln -sf libolm.$(SO).$(VERSION) $(DESTDIR)$(PREFIX)/lib/libolm.$(SO).$(MAJOR)
ln -sf libolm.$(SO).$(VERSION) $(DESTDIR)$(PREFIX)/lib/libolm.$(SO)
.PHONY: install
clean:;
rm -rf $(BUILD_DIR) $(DOCS)
.PHONY: clean
doc: $(DOCS)
.PHONY: doc
### rules for building objects
$(BUILD_DIR)/release/%.o: %.c
$(call mkdir,$(dir $@))
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/release/%.o: %.cpp
$(call mkdir,$(dir $@))
$(COMPILE.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/debug/%.o: %.c
$(call mkdir,$(dir $@))
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/debug/%.o: %.cpp
$(call mkdir,$(dir $@))
$(COMPILE.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/javascript/%.o: %.c
$(call mkdir,$(dir $@))
$(EMCC.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/javascript/%.o: %.cpp
$(call mkdir,$(dir $@))
$(EMCC.cc) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/tests/%: tests/%.c $(DEBUG_OBJECTS)
$(call mkdir,$(dir $@))
$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
$(call mkdir,$(dir $@))
$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
$(BUILD_DIR)/fuzzers/objects/%.o: %.c
$(call mkdir,$(dir $@))
$(AFL.c) $(OUTPUT_OPTION) $<
$(BUILD_DIR)/fuzzers/objects/%.o: %.cpp
$(call mkdir,$(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 $@
%.html: %.rst
rst2html $< $@
### 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)