180 lines
4.6 KiB
Makefile
180 lines
4.6 KiB
Makefile
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ifeq ($(origin CC),default)
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CC = emcc -c
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endif
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ifeq ($(origin CXX),default)
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CXX = em++ -c
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endif
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ifeq ($(origin LD),default)
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LD = em++
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endif
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ifeq ($(origin AR),default)
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AR = emar
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endif
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LINK.cc = em++ $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
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EMSCRIPTEN_TARGET?=default
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EMSCRIPTEN_THREADS?=0
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EMSCRIPTEN_PORTS?=0
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ifneq ($(STDCXX),)
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CXXFLAGS_STDCXX = -std=$(STDCXX)
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else ifeq ($(shell printf '\n' > bin/empty.cpp ; if $(CXX) -std=c++20 -c bin/empty.cpp -o bin/empty.out > /dev/null 2>&1 ; then echo 'c++20' ; fi ), c++20)
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CXXFLAGS_STDCXX = -std=c++20
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else
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CXXFLAGS_STDCXX = -std=c++17
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endif
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ifneq ($(STDC),)
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CFLAGS_STDC = -std=$(STDC)
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else ifeq ($(shell printf '\n' > bin/empty.c ; if $(CC) -std=c17 -c bin/empty.c -o bin/empty.out > /dev/null 2>&1 ; then echo 'c17' ; fi ), c17)
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CFLAGS_STDC = -std=c17
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else
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CFLAGS_STDC = -std=c11
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endif
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CXXFLAGS += $(CXXFLAGS_STDCXX)
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CFLAGS += $(CFLAGS_STDC)
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CPPFLAGS +=
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CXXFLAGS += -fPIC
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CFLAGS += -fPIC
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LDFLAGS +=
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LDLIBS +=
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ARFLAGS := rcs
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ifeq ($(EMSCRIPTEN_THREADS),1)
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CXXFLAGS += -pthread
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CFLAGS += -pthread
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LDFLAGS += -pthread
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endif
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ifeq ($(EMSCRIPTEN_PORTS),1)
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CXXFLAGS += -s USE_ZLIB=1 -sUSE_MPG123=1 -sUSE_OGG=1 -sUSE_VORBIS=1 -DMPT_WITH_ZLIB -DMPT_WITH_MPG123 -DMPT_WITH_VORBIS -DMPT_WITH_VORBISFILE -DMPT_WITH_OGG
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CFLAGS += -s USE_ZLIB=1 -sUSE_MPG123=1 -sUSE_OGG=1 -sUSE_VORBIS=1 -DMPT_WITH_ZLIB -DMPT_WITH_MPG123 -DMPT_WITH_VORBIS -DMPT_WITH_VORBISFILE -DMPT_WITH_OGG
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LDFLAGS += -s USE_ZLIB=1 -sUSE_MPG123=1 -sUSE_OGG=1 -sUSE_VORBIS=1
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NO_MINIZ=1
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NO_MINIMP3=1
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NO_STBVORBIS=1
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endif
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CXXFLAGS += -Oz
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CFLAGS += -Oz
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LDFLAGS += -Oz
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# Enable LTO as recommended by Emscripten
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#CXXFLAGS += -flto=thin
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#CFLAGS += -flto=thin
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#LDFLAGS += -flto=thin -Wl,--thinlto-jobs=all
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# As per recommendation in <https://github.com/emscripten-core/emscripten/issues/15638#issuecomment-982772770>,
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# thinLTO is not as well tested as full LTO. Stick to full LTO for now.
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CXXFLAGS += -flto
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CFLAGS += -flto
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LDFLAGS += -flto
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ifeq ($(EMSCRIPTEN_TARGET),default)
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# emits whatever is emscripten's default, currently (1.38.8) this is the same as "wasm" below.
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CPPFLAGS += -DMPT_BUILD_WASM
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CXXFLAGS +=
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CFLAGS +=
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LDFLAGS +=
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LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
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else ifeq ($(EMSCRIPTEN_TARGET),all)
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# emits native wasm AND javascript with full wasm optimizations.
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CPPFLAGS += -DMPT_BUILD_WASM
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CXXFLAGS +=
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CFLAGS +=
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LDFLAGS += -s WASM=2 -s LEGACY_VM_SUPPORT=1 -Wno-transpile
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# work-around <https://github.com/emscripten-core/emscripten/issues/17897>.
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CXXFLAGS += -fno-inline-functions
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CFLAGS += -fno-inline-functions
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LDFLAGS += -fno-inline-functions
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LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
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else ifeq ($(EMSCRIPTEN_TARGET),audioworkletprocessor)
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# emits an es6 module in a single file suitable for use in an AudioWorkletProcessor
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CPPFLAGS += -DMPT_BUILD_WASM -DMPT_BUILD_AUDIOWORKLETPROCESSOR
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CXXFLAGS +=
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CFLAGS +=
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LDFLAGS += -s WASM=1 -s WASM_ASYNC_COMPILATION=0 -s MODULARIZE=1 -s EXPORT_ES6=1 -s SINGLE_FILE=1
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LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
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else ifeq ($(EMSCRIPTEN_TARGET),wasm)
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# emits native wasm.
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CPPFLAGS += -DMPT_BUILD_WASM
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CXXFLAGS +=
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CFLAGS +=
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LDFLAGS += -s WASM=1
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LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
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else ifeq ($(EMSCRIPTEN_TARGET),js)
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# emits only plain javascript with plain javascript focused optimizations.
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CPPFLAGS += -DMPT_BUILD_ASMJS
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CXXFLAGS +=
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CFLAGS +=
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LDFLAGS += -s WASM=0 -s LEGACY_VM_SUPPORT=1 -Wno-transpile
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# work-around <https://github.com/emscripten-core/emscripten/issues/17897>.
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CXXFLAGS += -fno-inline-functions
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CFLAGS += -fno-inline-functions
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LDFLAGS += -fno-inline-functions
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LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
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endif
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CXXFLAGS += -s DISABLE_EXCEPTION_CATCHING=0
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CFLAGS += -s DISABLE_EXCEPTION_CATCHING=0 -fno-strict-aliasing
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LDFLAGS += -s DISABLE_EXCEPTION_CATCHING=0 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s ERROR_ON_MISSING_LIBRARIES=1 -s EXPORT_NAME="'libopenmpt'"
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include build/make/warnings-clang.mk
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REQUIRES_RUNPREFIX=1
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EXESUFFIX=.js
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SOSUFFIX=.js
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RUNPREFIX=node
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TEST_LDFLAGS= --pre-js build/make/test-pre.js -lnodefs.js
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ifeq ($(EMSCRIPTEN_THREADS),1)
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RUNPREFIX+=--experimental-wasm-threads --experimental-wasm-bulk-memory
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endif
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DYNLINK=0
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SHARED_LIB=1
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STATIC_LIB=0
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EXAMPLES=1
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OPENMPT123=0
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SHARED_SONAME=0
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NO_SHARED_LINKER_FLAG=1
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# Disable the generic compiler optimization flags as emscripten is sufficiently different.
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# Optimization flags are hard-coded for emscripten in this file.
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DEBUG=0
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OPTIMIZE=none
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IS_CROSS=1
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ifeq ($(ALLOW_LGPL),1)
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LOCAL_ZLIB=1
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LOCAL_MPG123=1
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LOCAL_OGG=1
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LOCAL_VORBIS=1
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else
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NO_ZLIB=1
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NO_MPG123=1
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NO_OGG=1
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NO_VORBIS=1
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NO_VORBISFILE=1
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endif
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NO_PORTAUDIO=1
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NO_PORTAUDIOCPP=1
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NO_PULSEAUDIO=1
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NO_SDL2=1
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NO_FLAC=1
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NO_SNDFILE=1
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