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Log LLVM library version in configure output.

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When scanning build farm results, it's useful to be able to see which
version is in use.  For the Meson build system, this information was
already displayed.

Back-patch to all supported branches.

Discussion: https://postgr.es/m/4022690.1697852728%40sss.pgh.pa.us
This commit is contained in:
Thomas Munro 2023-10-22 14:17:00 +13:00
parent f72790b295
commit 0e49e23782
2 changed files with 3 additions and 0 deletions
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1
config/llvm.m4
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@ -28,6 +28,7 @@ AC_DEFUN([PGAC_LLVM_SUPPORT],
if echo $pgac_llvm_version | $AWK -F '.' '{ if ([$]1 >= 4 || ([$]1 == 3 && [$]2 >= 9)) exit 1; else exit 0;}';then
AC_MSG_ERROR([$LLVM_CONFIG version is $pgac_llvm_version but at least 3.9 is required])
fi
AC_MSG_NOTICE([using llvm $pgac_llvm_version])
# need clang to create some bitcode files
AC_ARG_VAR(CLANG, [path to clang compiler to generate bitcode])

2
configure vendored
View File

@ -5092,6 +5092,8 @@ fi
if echo $pgac_llvm_version | $AWK -F '.' '{ if ($1 >= 4 || ($1 == 3 && $2 >= 9)) exit 1; else exit 0;}';then
as_fn_error $? "$LLVM_CONFIG version is $pgac_llvm_version but at least 3.9 is required" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: using llvm $pgac_llvm_version" >&5
$as_echo "$as_me: using llvm $pgac_llvm_version" >&6;}
# need clang to create some bitcode files