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Turn off "V" in zlib-ng compilation (#104776)

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Our target ISA is rv64gc, not gcv. If kernel can't detect RISC-V extensions, zlib-ng defaults has_rvv to true, which crashes on hardware without vector instructions like VisionFive 2.
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Tomasz Sowiński 2024-07-12 16:02:13 +02:00 • committed by GitHub
parent a955d599c2
commit edf167216a
Signed by: github
GPG key ID: B5690EEEBB952194
1 changed files with 3 additions and 0 deletions
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3
src/native/external/zlib-ng.cmake vendored
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@ -9,6 +9,9 @@ set(ZLIB_ENABLE_TESTS OFF)
set(ZLIBNG_ENABLE_TESTS OFF)
set(Z_PREFIX ON)
# TODO: Turn back on when Linux kernels with proper RISC-V extension detection (>= 6.5) are more commonplace
set(WITH_RVV OFF)
add_compile_options($<$<COMPILE_LANG_AND_ID:C,Clang,AppleClang>:-Wno-unused-command-line-argument>) # clang : error : argument unused during compilation: '-fno-semantic-interposition'
add_compile_options($<$<COMPILE_LANG_AND_ID:C,Clang,AppleClang>:-Wno-logical-op-parentheses>) # place parentheses around the '&&' expression to silence this warning
add_compile_options($<$<COMPILE_LANG_AND_ID:C,MSVC>:/wd4127>) # warning C4127: conditional expression is constant