4972fdb350
A few configure defines get changed: QMAKE_WASM_PTHREAD_POOL_SIZE is now QT_WASM_PTHREAD_POOL_SIZE QMAKE_WASM_TOTAL_MEMORY is now QT_WASM_INITIAL_MEMORY QMAKE_WASM_SOURCE_MAP_BASE is now QT_WASM_SOURCE_MAP_BASE device-option EMSCRIPTEN_ASYNCIFY=1 is QT_EMSCRIPTEN_ASYNCIFY=1 To create source maps for debugging. use device-option QT_WASM_SOURCE_MAP=1 Task-number: QTBUG-78647 Change-Id: If9f30cd7fb408c386d6d69b5f7b1beecf1ab44b5 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
131 lines
4.9 KiB
Plaintext
131 lines
4.9 KiB
Plaintext
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# DESTDIR will be empty if not set in the app .pro file; make sure it has a value
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isEmpty(DESTDIR): DESTDIR = $$OUT_PWD
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exists($$QMAKE_QT_CONFIG) {
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## this may be subject to change
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qtConfig(thread) {
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EMCC_THREAD_LFLAGS += -s USE_PTHREADS=1
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# Create worker threads at startup. This is supposed to be an optimization,
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# however exceeding the pool size has been obesverved to hang the application.
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POOL_SIZE = 4
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!isEmpty(QT_WASM_PTHREAD_POOL_SIZE) {
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POOL_SIZE = $$QT_WASM_PTHREAD_POOL_SIZE
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}
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message("Setting PTHREAD_POOL_SIZE to" $$POOL_SIZE)
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EMCC_THREAD_LFLAGS += -s PTHREAD_POOL_SIZE=$$POOL_SIZE
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} else {
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EMCC_THREAD_LFLAGS += -s ALLOW_MEMORY_GROWTH=1
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}
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qtConfig(thread) | !isEmpty(QT_WASM_INITIAL_MEMORY) {
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# Hardcode wasm memory size. Emscripten does not currently support memory growth
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# (ALLOW_MEMORY_GROWTH) in pthreads mode, and requires specifying the memory size
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# at build time. Further, browsers limit the maximum initial memory size to 1GB.
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# QT_WASM_INITIAL_MEMORY must be a multiple of 64KB
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INITIAL_MEMORY = 1GB
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!isEmpty(QT_WASM_INITIAL_MEMORY) {
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INITIAL_MEMORY = $$QT_WASM_INITIAL_MEMORY
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}
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message("Setting INITIAL_MEMORY to" $$INITIAL_MEMORY)
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EMCC_THREAD_LFLAGS += -s INITIAL_MEMORY=$$INITIAL_MEMORY
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}
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QMAKE_LFLAGS += $$EMCC_THREAD_LFLAGS
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QMAKE_LFLAGS_DEBUG += $$EMCC_THREAD_LFLAGS
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QMAKE_CFLAGS += $$EMCC_THREAD_LFLAGS
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QMAKE_CXXFLAGS += $$EMCC_THREAD_LFLAGS
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}
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# Create js and wasm files for applications
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contains(TEMPLATE, .*app) {
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TARGET_BASE = $${TARGET}
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TARGET_HTML = $${TARGET}.html
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TARGET_JS = $${TARGET}.js
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# Make the emscripten compiler generate a js file
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TARGET = $$TARGET_JS
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QMAKE_INCDIR += $$(HOME)/.emscripten_ports/openssl/include
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CONFIG += static
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js_file.files = $$TARGET_JS
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js_file.path = $$target.path
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isEmpty(js_file.path): \
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js_file.path += ./
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INSTALLS += js_file
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# Copy hosting html and javascript to the application build directory.
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exists($$[QT_INSTALL_PLUGINS]/platforms/wasm_shell.html) {
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# don't pass this until it's installed somewhere
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# otherwise makespec test fails during qt configure
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WASM_PLUGIN_PATH = $$[QT_INSTALL_PLUGINS]/platforms
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} else {
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## internal build. not installed
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WASM_PLUGIN_PATH = $$PWD/../../../src/plugins/platforms/wasm
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}
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# Copy/Generate main .html file (e.g. myapp.html) from the webassembly_shell.html by
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# replacing the app name placeholder with the actual app name.
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apphtml.name = application main html file
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apphtml.output = $$DESTDIR/$$TARGET_HTML
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apphtml.commands = $$QMAKE_STREAM_EDITOR -e s/@APPNAME@/$$TARGET_BASE/g $$WASM_PLUGIN_PATH/wasm_shell.html > $$DESTDIR/$$TARGET_HTML
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apphtml.input = $$WASM_PLUGIN_PATH/wasm_shell.html
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apphtml.depends = $$apphtml.input
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QMAKE_EXTRA_COMPILERS += apphtml
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appjs.name = application qtloader.js
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appjs.output = $$DESTDIR/qtloader.js
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appjs.commands = $$QMAKE_COPY $$shell_path($$WASM_PLUGIN_PATH/qtloader.js) $$shell_path($$DESTDIR)
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appjs.input = $$WASM_PLUGIN_PATH/qtloader.js
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appjs.depends = $$appjs.input
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QMAKE_EXTRA_COMPILERS += appjs
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appsvg.name = application qtlogo.svg
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appsvg.output = $$DESTDIR/qtlogo.svg
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appsvg.commands = $$QMAKE_COPY $$shell_path($$WASM_PLUGIN_PATH/qtlogo.svg) $$shell_path($$DESTDIR)
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appsvg.input = $$WASM_PLUGIN_PATH/qtlogo.svg
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appsvg.depends = $$appsvg.input
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QMAKE_EXTRA_COMPILERS += appsvg
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QMAKE_EXTRA_TARGETS += apphtml appjs appsvg
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POST_TARGETDEPS += apphtml appjs appsvg
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# Add manual target to make "make -B shellfiles" work.
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shellfiles.target = shellfiles
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shellfiles.depends = apphtml appjs appsvg
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QMAKE_EXTRA_TARGETS += shellfiles
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# emscripten ports are linked into the main module (this app), not the Qt
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# libs which reference them
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qt {
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qt_depends = $$resolve_depends(QT, "QT.")
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contains(qt_depends, core(-private)?): QMAKE_LFLAGS += \
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$$QMAKE_LIBS_THREAD $$QMAKE_LIBS_ZLIB
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contains(qt_depends, gui(-private)?): QMAKE_LFLAGS += \
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$$QMAKE_LIBS_FREETYPE $$QMAKE_LIBS_LIBPNG
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}
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}
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qtConfTest_emccVersion()
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# Pass --source-map-base on the linker line. This informs the
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# browser where to find the source files when debugging.
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WASM_SOURCE_MAP_BASE = http://localhost:8000/
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!isEmpty(QT_WASM_SOURCE_MAP_BASE):\
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WASM_SOURCE_MAP_BASE = $$QT_WASM_SOURCE_MAP_BASE
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CONFIG(debug): QMAKE_LFLAGS += -g4 --source-map-base $$WASM_SOURCE_MAP_BASE
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# Creates the stand-alone version of the library from bitcode
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!static:contains(TEMPLATE, .*lib): {
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load(resolve_target)
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QMAKE_POST_LINK += $$QMAKE_LINK_SHLIB $$QMAKE_RESOLVED_TARGET -o $${QMAKE_RESOLVED_TARGET}.js
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QMAKE_INCDIR += $$(HOME)/.emscripten_ports/openssl/include
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}
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