| # 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 enabling asyncify by configuring with "-device-option EMSCRIPTEN_ASYNCIFY=1" |
| !isEmpty(EMSCRIPTEN_ASYNCIFY): { |
| !equals(EMSCRIPTEN_ASYNCIFY, 1):!equals(EMSCRIPTEN_ASYNCIFY, 0): \ |
| message(Error: The value for EMSCRIPTEN_ASYNCIFY must be 0 or 1) |
| equals(EMSCRIPTEN_ASYNCIFY, 1): { |
| QMAKE_CFLAGS += -DQT_HAVE_EMSCRIPTEN_ASYNCIFY |
| QMAKE_CXXFLAGS += -DQT_HAVE_EMSCRIPTEN_ASYNCIFY |
| QMAKE_LFLAGS += -s ASYNCIFY |
| |
| # Emscripten recommends building with optimizations when using asyncify |
| # in order to reduce wasm file size, and may also generate broken wasm |
| # (with "wasm validation error: too many locals" type errors) if optimizations |
| # are omitted. Enable optimizations also for debug builds. |
| QMAKE_LFLAGS_DEBUG += -Os |
| } |
| } |
| |
| 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 EXIT_RUNTIME=1 \ |
| -s ERROR_ON_UNDEFINED_SYMBOLS=1 \ |
| -s EXTRA_EXPORTED_RUNTIME_METHODS=[\"UTF16ToString\",\"stringToUTF16\"] \ |
| --bind \ |
| -s FETCH=1 |
| |
| # The -s arguments can also be used with release builds, |
| # but are here in debug for clarity. |
| EMCC_COMMON_LFLAGS_DEBUG = \ |
| $$EMCC_COMMON_LFLAGS \ |
| -s ASSERTIONS=2 \ |
| -s DEMANGLE_SUPPORT=1 \ |
| # -s LIBRARY_DEBUG=1 \ #print out library calls, verbose |
| # -s SYSCALL_DEBUG=1 \ #print out sys calls, verbose |
| # -s FS_LOG=1 \ #print out filesystem ops, verbose |
| # -s SOCKET_DEBUG \ #print out socket,network data transfer |
| -s GL_DEBUG=1 \ |
| --profiling-funcs |
| |
| QMAKE_LFLAGS_DEBUG += -g4 |
| QMAKE_LFLAGS_RELEASE += -O2 |
| |
| QMAKE_COMPILER += emscripten |
| |
| QMAKE_CC = emcc |
| QMAKE_CXX = em++ |
| |
| QMAKE_LINK = $$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) |
