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Log LLVM library version in configure output. 

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 e98f47d570
commit 0a6e2c7f86
2 changed files with 3 additions and 0 deletions
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1
config/llvm.m4
View File

@ -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

@ -4893,6 +4893,8 @@ 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