mirror of https://github.com/microsoft/vcpkg.git
21 lines
759 B
Diff
21 lines
759 B
Diff
Emscripten without shared memory must not use -pthread: Meson's threads
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dependency injects it into compile/link args and the generated
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harfbuzz.pc (Libs/Cflags), forcing every pkg-config consumer into
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wasm shared-memory mode while dependencies remain single-threaded.
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Skip the threads dependency and build with HB_NO_MT instead.
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--- a/meson.build
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+++ b/meson.build
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@@ -348,7 +348,10 @@
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# threads
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thread_dep = null_dep
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-if host_machine.system() != 'windows'
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+if host_machine.system() == 'emscripten'
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+ # No -pthread (it would poison harfbuzz.pc); no internal locking either.
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+ add_project_arguments('-DHB_NO_MT', language: 'cpp')
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+elif host_machine.system() != 'windows'
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thread_dep = dependency('threads', required: false)
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if thread_dep.found()
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