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# qmake configuration for building with emscripten
MAKEFILE_GENERATOR = UNIX
QMAKE_PLATFORM = wasm 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 = \
-s WASM=1 \
-s FULL_ES2=1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s USE_WEBGL2=1 \
-s NO_EXIT_RUNTIME=0 \
-s ERROR_ON_UNDEFINED_SYMBOLS=1 \
--bind \
-s \"BINARYEN_TRAP_MODE=\'clamp\'\"
# The -s arguments can also be used with release builds,
# but are here in debug for clarity.
EMCC_COMMON_LFLAGS_DEBUG = \
$$EMCC_COMMON_LFLAGS \
-s ASSERTIONS=2 \
-s DEMANGLE_SUPPORT=1 \
# -s LIBRARY_DEBUG=1 \ #print out library calls, verbose
# -s SYSCALL_DEBUG=1 \ #print out sys calls, verbose
# -s FS_LOG=1 \ #print out filesystem ops, verbose
# -s SOCKET_DEBUG \ #print out socket,network data transfer
-s GL_DEBUG=1
QMAKE_COMPILER += emscripten
QMAKE_CC = emcc
QMAKE_CXX = em++
# Practical debugging setup:
# "-g4" preserves function names for stack traces
# "-Os" produces reasonably sized binaries
QMAKE_CFLAGS_DEBUG -= -g
QMAKE_CXXFLAGS_DEBUG -= -g
QMAKE_CFLAGS_DEBUG += -Os -g4
QMAKE_CXXFLAGS_DEBUG += -Os -g4
QMAKE_LFLAGS_DEBUG += -Os -g4
QMAKE_CXXFLAGS_RELEASE -= -O2
QMAKE_CXXFLAGS_RELEASE += -O3
QMAKE_CFLAGS_RELEASE -= -O2
QMAKE_CFLAGS_RELEASE += -O3
QMAKE_LFLAGS_RELEASE += -O3
QMAKE_CFLAGS_OPTIMIZE += -O3
QMAKE_CFLAGS_OPTIMIZE_FULL += -Oz
QMAKE_LINK = $$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_DISTCLEAN += *.html *.js *.wasm
load(qt_config)
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