Cog/Frameworks/OpenMPT/OpenMPT/build/make/config-emscripten.mk
Christopher Snowhill bc8538cdd4 Updated libOpenMPT to version 0.8.0
And reordered all the source files in the projects according to name
sort. And removed all the deleted files, including some which were
forgotten in previous updates, but left as 0 byte files. Finally,
updated the project to use C23 / C++23 language standards.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2025-06-06 00:54:33 -07:00

195 lines
5.5 KiB
Makefile

ifeq ($(origin CC),default)
CC = emcc
endif
ifeq ($(origin CXX),default)
CXX = em++
endif
ifeq ($(origin LD),default)
LD = em++
endif
ifeq ($(origin AR),default)
AR = emar
endif
LINK.cc = em++ $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
EMSCRIPTEN_TARGET?=default
EMSCRIPTEN_THREADS?=0
EMSCRIPTEN_PORTS?=0
ifneq ($(STDCXX),)
CXXFLAGS_STDCXX = -std=$(STDCXX)
else ifeq ($(shell printf '\n' > bin/empty.cpp ; if $(CXX) -std=c++23 -c bin/empty.cpp -o bin/empty.out > /dev/null 2>&1 ; then echo 'c++23' ; fi ), c++23)
CXXFLAGS_STDCXX = -std=c++23
else ifeq ($(shell printf '\n' > bin/empty.cpp ; if $(CXX) -std=c++20 -c bin/empty.cpp -o bin/empty.out > /dev/null 2>&1 ; then echo 'c++20' ; fi ), c++20)
CXXFLAGS_STDCXX = -std=c++20
else
CXXFLAGS_STDCXX = -std=c++17
endif
ifneq ($(STDC),)
CFLAGS_STDC = -std=$(STDC)
else ifeq ($(shell printf '\n' > bin/empty.c ; if $(CC) -std=c23 -c bin/empty.c -o bin/empty.out > /dev/null 2>&1 ; then echo 'c23' ; fi ), c23)
CFLAGS_STDC = -std=c23
else ifeq ($(shell printf '\n' > bin/empty.c ; if $(CC) -std=c18 -c bin/empty.c -o bin/empty.out > /dev/null 2>&1 ; then echo 'c18' ; fi ), c18)
CFLAGS_STDC = -std=c18
else ifeq ($(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)
CFLAGS_STDC = -std=c17
else
CFLAGS_STDC = -std=c11
endif
CXXFLAGS += $(CXXFLAGS_STDCXX)
CFLAGS += $(CFLAGS_STDC)
CPPFLAGS +=
CXXFLAGS += -fPIC
CFLAGS += -fPIC
LDFLAGS +=
LDLIBS +=
ARFLAGS := rcs
ifeq ($(EMSCRIPTEN_THREADS),1)
CXXFLAGS += -pthread
CFLAGS += -pthread
LDFLAGS += -pthread
endif
ifeq ($(EMSCRIPTEN_PORTS),1)
ifeq ($(ANCIENT),1)
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
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
LDFLAGS += -s USE_ZLIB=1 -sUSE_MPG123=1 -sUSE_OGG=1 -sUSE_VORBIS=1
else
CXXFLAGS += --use-port=zlib --use-port=mpg123 --use-port=vorbis --use-port=ogg -DMPT_WITH_ZLIB -DMPT_WITH_MPG123 -DMPT_WITH_VORBIS -DMPT_WITH_VORBISFILE -DMPT_WITH_OGG
CFLAGS += --use-port=zlib --use-port=mpg123 --use-port=vorbis --use-port=ogg -DMPT_WITH_ZLIB -DMPT_WITH_MPG123 -DMPT_WITH_VORBIS -DMPT_WITH_VORBISFILE -DMPT_WITH_OGG
LDFLAGS += --use-port=zlib --use-port=mpg123 --use-port=vorbis --use-port=ogg
endif
NO_MINIZ=1
NO_MINIMP3=1
NO_STBVORBIS=1
endif
CXXFLAGS += -Oz
CFLAGS += -Oz
LDFLAGS += -Oz
# Enable LTO as recommended by Emscripten
#CXXFLAGS += -flto=thin
#CFLAGS += -flto=thin
#LDFLAGS += -flto=thin -Wl,--thinlto-jobs=all
# As per recommendation in <https://github.com/emscripten-core/emscripten/issues/15638#issuecomment-982772770>,
# thinLTO is not as well tested as full LTO. Stick to full LTO for now.
CXXFLAGS += -flto
CFLAGS += -flto
LDFLAGS += -flto
ifeq ($(EMSCRIPTEN_TARGET),default)
# emits whatever is emscripten's default, currently (13.1.51) this is the same as "wasm" below.
CPPFLAGS +=
CXXFLAGS +=
CFLAGS +=
LDFLAGS +=
LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
else ifeq ($(EMSCRIPTEN_TARGET),all)
# emits native wasm AND javascript with full wasm optimizations.
CPPFLAGS +=
CXXFLAGS +=
CFLAGS +=
LDFLAGS += -s WASM=2 -s LEGACY_VM_SUPPORT=1
# work-around <https://github.com/emscripten-core/emscripten/issues/17897>.
CXXFLAGS += -fno-inline-functions
CFLAGS += -fno-inline-functions
LDFLAGS += -fno-inline-functions
LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
else ifeq ($(EMSCRIPTEN_TARGET),audioworkletprocessor)
# emits an es6 module in a single file suitable for use in an AudioWorkletProcessor
CPPFLAGS += -DMPT_BUILD_AUDIOWORKLETPROCESSOR
CXXFLAGS +=
CFLAGS +=
LDFLAGS += -s WASM=1 -s WASM_ASYNC_COMPILATION=0 -s MODULARIZE=1 -s EXPORT_ES6=1 -s SINGLE_FILE=1
LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
else ifeq ($(EMSCRIPTEN_TARGET),wasm)
# emits native wasm.
CPPFLAGS +=
CXXFLAGS +=
CFLAGS +=
LDFLAGS += -s WASM=1
LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
else ifeq ($(EMSCRIPTEN_TARGET),js)
# emits only plain javascript with plain javascript focused optimizations.
CPPFLAGS +=
CXXFLAGS +=
CFLAGS +=
LDFLAGS += -s WASM=0 -s LEGACY_VM_SUPPORT=1
# work-around <https://github.com/emscripten-core/emscripten/issues/17897>.
CXXFLAGS += -fno-inline-functions
CFLAGS += -fno-inline-functions
LDFLAGS += -fno-inline-functions
LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
endif
CXXFLAGS += -s DISABLE_EXCEPTION_CATCHING=0
CFLAGS += -s DISABLE_EXCEPTION_CATCHING=0 -fno-strict-aliasing
LDFLAGS += -s DISABLE_EXCEPTION_CATCHING=0 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s ERROR_ON_MISSING_LIBRARIES=1 -s EXPORT_NAME="'libopenmpt'"
SO_LDFLAGS += -s EXPORTED_FUNCTIONS="['_malloc','_free']"
NO_NO_UNDEFINED_LINKER_FLAG=1
include build/make/warnings-clang.mk
REQUIRES_RUNPREFIX=1
EXESUFFIX=.js
SOSUFFIX=.js
RUNPREFIX=node
TEST_LDFLAGS= -lnodefs.js
ifeq ($(EMSCRIPTEN_THREADS),1)
RUNPREFIX+=--experimental-wasm-threads --experimental-wasm-bulk-memory
endif
DYNLINK=0
SHARED_LIB=1
STATIC_LIB=0
EXAMPLES=1
OPENMPT123=0
SHARED_SONAME=0
NO_SHARED_LINKER_FLAG=1
# Disable the generic compiler optimization flags as emscripten is sufficiently different.
# Optimization flags are hard-coded for emscripten in this file.
DEBUG=0
OPTIMIZE=none
IS_CROSS=1
ifeq ($(ALLOW_LGPL),1)
LOCAL_ZLIB=1
LOCAL_MPG123=1
LOCAL_OGG=1
LOCAL_VORBIS=1
else
NO_ZLIB=1
NO_MPG123=1
NO_OGG=1
NO_VORBIS=1
NO_VORBISFILE=1
endif
NO_PORTAUDIO=1
NO_PORTAUDIOCPP=1
NO_PULSEAUDIO=1
NO_SDL2=1
NO_FLAC=1
NO_SNDFILE=1