GH-49366: [CI][C++] Use system LLVM to use libstdc++ in gcc-toolset#49367
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kou wants to merge 1 commit intoapache:mainfrom
Open
GH-49366: [CI][C++] Use system LLVM to use libstdc++ in gcc-toolset#49367kou wants to merge 1 commit intoapache:mainfrom
kou wants to merge 1 commit intoapache:mainfrom
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raulcd
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Feb 23, 2026
| --x-feature=gandiva \ | ||
| # We can't use LLVM installed by vcpkg with gcc-toolset because | ||
| # LLVM installed by vcpkg doesn't use libc++ installed by gcc-toolset. | ||
| # --x-feature=gandiva \ |
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Does this mean we don't build Gandiva anymore on the JNI builds? If I understand correctly if we enable Gandiva we are pulling LLVM from vcpkg and that fails because it does not use libc++ installed by gcc-toolset. Does that mean that Gandiva isn't supported on our vcpkg builds anymore?
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Rationale for this change
LLVM (clang) installed by vcpkg doesn't use libstdc++ installed by gcc-toolset. We need to use libstdc++ installed by gcc-toolset not system libstdc++ for C++20 support.
What changes are included in this PR?
boost-multiprecisiontodevfeature because it's also used incpp/src/arrow/util/decimal_test.ccAre these changes tested?
Yes.
Are there any user-facing changes?
No.
'bit' file not found#49366