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bpo-43109: Use /usr/bin/ar on macOS for LTO builds #25999

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bpo-43109: Use /usr/bin/ar on macOS for LTO builds #25999

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bpo-43109: Use /usr/bin/ar on macOS for LTO builds
xrisk May 9, 2021
aad92df
Test for existence of of /usr/bin/ar
xrisk May 10, 2021
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7 changes: 7 additions & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -1391,6 +1391,13 @@ if test "$Py_LTO" = 'true' ; then
LLVM_AR='/usr/bin/xcrun llvm-ar'
LLVM_AR_FOUND=found
AC_MSG_NOTICE([llvm-ar found via xcrun: ${LLVM_AR}])
elif test -x /usr/bin/ar
then
# /usr/bin/ar on macOS works fine in place of llvm-ar
# https://github.com/Homebrew/homebrew-core/pull/70177
LLVM_AR='/usr/bin/ar'
LLVM_AR_FOUND=found
AC_MSG_NOTICE(["using /usr/bin/ar for llvm-ar"])
fi
fi
if test $LLVM_AR_FOUND = not-found
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