# qmake configuration for building with emscripten MAKEFILE_GENERATOR = UNIX QMAKE_PLATFORM = wasm unix include(../common/gcc-base.conf) include(../common/clang.conf) load(device_config) load(emcc_ver) # Support setting WASM_OBJECT_FILES with -device-option WASM_OBJECT_FILES=1 !isEmpty(WASM_OBJECT_FILES): { !equals(WASM_OBJECT_FILES, 1):!equals(WASM_OBJECT_FILES, 0): \ message(Error: The value for WASM_OBJECT_FILES must be 0 or 1) QMAKE_CFLAGS += -s WASM_OBJECT_FILES=$$WASM_OBJECT_FILES QMAKE_CXXFLAGS += -s WASM_OBJECT_FILES=$$WASM_OBJECT_FILES QMAKE_LFLAGS += -s WASM_OBJECT_FILES=$$WASM_OBJECT_FILES } else { EMSCRIPTEN_VERSION=$$qtSystemEmccVersion() lessThan(EMSCRIPTEN_VERSION, 1.39) { EMCC_COMMON_LFLAGS += -s \"BINARYEN_TRAP_MODE=\'clamp\'\" } } 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 FULL_ES3=1 \ -s USE_WEBGL2=1 \ -s NO_EXIT_RUNTIME=0 \ -s ERROR_ON_UNDEFINED_SYMBOLS=1 \ --bind # The -s arguments can also be used with release builds, # but are here in debug for clarity. EMCC_COMMON_LFLAGS_DEBUG = \ $$EMCC_COMMON_LFLAGS \ -s ASSERTIONS=2 \ -s DEMANGLE_SUPPORT=1 \ # -s LIBRARY_DEBUG=1 \ #print out library calls, verbose # -s SYSCALL_DEBUG=1 \ #print out sys calls, verbose # -s FS_LOG=1 \ #print out filesystem ops, verbose # -s SOCKET_DEBUG \ #print out socket,network data transfer -s GL_DEBUG=1 # Set up debug/optimization flags QMAKE_CXXFLAGS_RELEASE -= -O2 QMAKE_CFLAGS_RELEASE -= -O2 equals(WASM_OBJECT_FILES, 1) { QMAKE_LFLAGS_DEBUG += -g QMAKE_CXXFLAGS_RELEASE += -O3 QMAKE_CFLAGS_RELEASE += -O3 QMAKE_LFLAGS_RELEASE += -O3 QMAKE_CFLAGS_OPTIMIZE += -O3 QMAKE_CFLAGS_OPTIMIZE_FULL += -Oz } else { # Practical debugging setup: # "-g4" preserves function names for stack traces # "-Os" produces reasonably sized binaries QMAKE_CFLAGS_DEBUG -= -g QMAKE_CXXFLAGS_DEBUG -= -g QMAKE_CFLAGS_DEBUG += -Os -g4 QMAKE_CXXFLAGS_DEBUG += -Os -g4 QMAKE_LFLAGS_DEBUG += -Os -g4 QMAKE_CXXFLAGS_RELEASE += -O3 QMAKE_CFLAGS_RELEASE += -O3 QMAKE_LFLAGS_RELEASE += -O3 QMAKE_CFLAGS_OPTIMIZE += -O3 QMAKE_CFLAGS_OPTIMIZE_FULL += -Oz } QMAKE_COMPILER += emscripten QMAKE_CC = emcc QMAKE_CXX = em++ QMAKE_LINK = $$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 equals(QMAKE_HOST.os, Windows) { QMAKE_AR_CMD = \ "$(file >$(OBJECTS_DIR)/$(TARGET).rsp, $(subst \\,/,$(OBJECTS)))$$escape_expand(\\n\\t)" \ "$(AR) $(DESTDIR)$(TARGET) @$(OBJECTS_DIR)/$(TARGET).rsp" } QMAKE_DISTCLEAN += *.html *.js *.wasm load(qt_config)