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| author | Stephan Bergmann <stephan.bergmann@allotropia.de> | 2024-08-07 15:01:25 +0200 |
|---|---|---|
| committer | Stephan Bergmann <stephan.bergmann@allotropia.de> | 2024-08-07 17:18:34 +0200 |
| commit | 146fafa691e63de00d6030d88626833ab43d7a65 (patch) | |
| tree | 88128224bb7deb2c1523814dc96e2bc5f32b072b /static | |
| parent | e7aa613e751c159881cb2448d5c7e08549f3fe49 (diff) | |
I finally understand why we need that hack
...that 77129fbb74bcefde4551d494f029169e7c6026e3 "Emscripten: Add hack to
prepare for --enable-wasm-exceptions" was puzzled about
Change-Id: Iba54a77e3c2a71fe45b97795ca2da0606c3adf41
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171594
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
Diffstat (limited to 'static')
| -rw-r--r-- | static/README.wasm.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/static/README.wasm.md b/static/README.wasm.md index cb5d0aa7fc3e..de595b19b459 100644 --- a/static/README.wasm.md +++ b/static/README.wasm.md @@ -69,6 +69,13 @@ With "-opensource -confirm-license" you agree to the open source license. ./configure -opensource -confirm-license -xplatform wasm-emscripten -feature-thread -prefix <whatever> QMAKE_CFLAGS+=-sSUPPORT_LONGJMP=wasm QMAKE_CXXFLAGS+=-sSUPPORT_LONGJMP=wasm make -j<CORES> module-qtbase +Do not include `-fwasm-exceptions` in the above `QMAKE_CXXFLAGS`, see +<https://emscripten.org/docs/api_reference/emscripten.h.html#c.emscripten_set_main_loop> "Note: +Currently, using the new Wasm exception handling and simulate_infinite_loop == true at the same time +does not work yet in C++ projects that have objects with destructors on the stack at the time of the +call." (Also see the EMSCRIPTEN-specific HACK in soffice_main, desktop/source/app/sofficemain.cxx, +for what we need to do to work around that.) + Optionally you can add the configure flag "-compile-examples". But then you also have to patch at least mkspecs/wasm-emscripten/qmake.conf with EXIT_RUNTIME=0, otherwise they will fail to run. In addition, building with examples will break with some of them, but at that |