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commit    0e49e23782c55237f54aa60ed7a2b755b47cd4a2
Author:   Thomas Munro <tmunro@postgresql.org>
Date:     Sun Oct 22 01:17:00 2023 +0000
First released in: 17.0, 11.22, 12.17, 13.13, 14.10, 15.5, 16.1

    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


 config/llvm.m4 | 1 +
 configure      | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/config/llvm.m4 b/config/llvm.m4
index 3a75cd8b4df..21d8cd4f90f 100644
--- a/config/llvm.m4
+++ b/config/llvm.m4
@@ -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])
diff --git a/configure b/configure
index 57607d79dff..ffe1d82f063 100755
--- a/configure
+++ b/configure
@@ -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
 


[parent: f72790b2952d]