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Default to GLIBCXX_USE_CXX11_ABI=ON

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Because many of our bots actually don't run a listdc++ compatible with
_GLIBCXX_USE_CXX11_ABI=0. See
https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html for
details.

This is a follow-up to be179d069664ce03c485e49fa1f6e2ca3d6286fa related
to #154447.
This commit is contained in:
serge-sans-paille 2025-08-22 09:33:46 +02:00
parent 945a186089
commit 50f7c6a5b9
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1 changed files with 1 additions and 1 deletions
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2
llvm/cmake/modules/HandleLLVMOptions.cmake
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@ -183,7 +183,7 @@ CHECK_CXX_SOURCE_COMPILES("
int main() { return 0; }
" LLVM_USES_LIBSTDCXX)
option(GLIBCXX_USE_CXX11_ABI "Use new libstdc++ CXX11 ABI" OFF)
option(GLIBCXX_USE_CXX11_ABI "Use new libstdc++ CXX11 ABI" ON)
if (LLVM_USES_LIBSTDCXX)
if (GLIBCXX_USE_CXX11_ABI)