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# qmake configuration for building with emscripten
MAKEFILE_GENERATOR = UNIX
QMAKE_PLATFORM = html5 unix
include(../common/gcc-base.conf)
include(../common/clang.conf)
EMTERP_FLAGS = -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1 -s \"EMTERPRETIFY_FILE=\'data.binary\'\" -s ASSERTIONS=1 --profiling-funcs
EMCC_COMMON_LFLAGS = --bind -s USE_ZLIB=1 -s USE_LIBPNG=1 -s USE_FREETYPE=1 -s ERROR_ON_UNDEFINED_SYMBOLS=1
EMCC_COMMON_LFLAGS += -s FULL_ES2=1 -s ALLOW_MEMORY_GROWTH=1 -s USE_WEBGL2=1 -s NO_EXIT_RUNTIME=0
# -s DEMANGLE_SUPPORT=1
# -s USE_WEBGL2=1
# -s DISABLE_EXCEPTION_CATCHING=1
# -s TOTAL_STACK=15*1024*1024
EMCC_COMMON_LFLAGS_DEBUG = $$EMCC_COMMON_LFLAGS -s ASSERTIONS=2 -s DEMANGLE_SUPPORT=1 -s GL_DEBUG=1
# -s LIBRARY_DEBUG=1
# -s SYSCALL_DEBUG=1
# -s GL_DEBUG=1
# -s FS_LOG=1
QMAKE_COMPILER += emscripten
QMAKE_CC = emcc
QMAKE_CXX = em++ -s USE_LIBPNG=1 -s USE_FREETYPE=1
# QMAKE_CFLAGS_THREAD = -s USE_PTHREADS=1
# QMAKE_CXXFLAGS_THREAD = $$QMAKE_CFLAGS_THREAD
QMAKE_CFLAGS += $$EMCC_COMMON_LFLAGS
QMAKE_CXXFLAGS += $$EMCC_COMMON_LFLAGS
# Practical debugging setup:
# "-g4" preserves function names for stack traces
# "-Os" produces reasonably sized binaries
QMAKE_CFLAGS_DEBUG -= -g
QMAKE_CXXFLAGS_DEBUG -= -g
QMAKE_CFLAGS_DEBUG += -Os -g4
QMAKE_CXXFLAGS_DEBUG += -Os -g4
QMAKE_LFLAGS_DEBUG += -Os -g4
QMAKE_CXXFLAGS_RELEASE -= -O2
QMAKE_CXXFLAGS_RELEASE += -O3
QMAKE_CFLAGS_RELEASE -= -O2
QMAKE_CFLAGS_RELEASE += -O3
QMAKE_LFLAGS_RELEASE += -O3
MAKE_CFLAGS_OPTIMIZE += -O3
MAKE_CFLAGS_OPTIMIZE_FULL += -Oz
QMAKE_LINK = $$QMAKE_CXX
QMAKE_LINK_SHLIB = $$QMAKE_CXX
QMAKE_LINK_C = $$QMAKE_CC
QMAKE_LINK_C_SHLIB = $$QMAKE_CC
QMAKE_LIBS_THREAD = $$QMAKE_CFLAGS_THREAD
QMAKE_LFLAGS += $$EMCC_COMMON_LFLAGS
QMAKE_LFLAGS_DEBUG += $$EMCC_COMMON_LFLAGS_DEBUG
QMAKE_PREFIX_SHLIB = lib
QMAKE_EXTENSION_SHLIB = so # llvm bitcode, linked to js in post_link
QMAKE_PREFIX_STATICLIB = lib
QMAKE_EXTENSION_STATICLIB = a # llvm bitcode
QMAKE_AR = emar cqs
QMAKE_CLEAN += *.html *.js *.wasm
DEFINES += QT_NO_QFUTURE
QTPLUGIN.platforms = html5
load(qt_config)
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