20 lines
977 B
Diff
20 lines
977 B
Diff
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wasi-sdk-sysroot.cmake: tell the compiler-rt sub-build the ASM target too
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The sub-build gets CMAKE_C_COMPILER_TARGET but nothing for the ASM
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language, so compiler-rt's wasm/*.S stubs (the setjmp/longjmp and C++
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exception tags) are assembled for the host when the driving clang is not
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a wasm-default build. wasm-ld then warns that the archive members are
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neither Wasm objects nor bitcode, and code that needs the tags fails to
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link. wasi-sdk's own toolchain hides this because its clang defaults to
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wasm32-wasip1; the sysroot-only mode against a host clang does not.
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--- a/cmake/wasi-sdk-sysroot.cmake
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+++ b/cmake/wasi-sdk-sysroot.cmake
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@@ -107,6 +107,7 @@
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-DCOMPILER_RT_BUILD_ORC=OFF
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-DCOMPILER_RT_BUILD_GWP_ASAN=OFF
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-DCMAKE_C_COMPILER_TARGET=${target}
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+ -DCMAKE_ASM_COMPILER_TARGET=${target}
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-DCMAKE_C_FLAGS=${WASI_SDK_CPU_CFLAGS}
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-DCMAKE_CXX_FLAGS=${WASI_SDK_CPU_CFLAGS}
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-DCMAKE_ASM_FLAGS=${WASI_SDK_CPU_CFLAGS}
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