From 5beb339d15db32dd4df3ddc711adb3ece2851e42 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Sat, 23 Nov 2024 17:57:41 -0800
Subject: [PATCH] configure: make perl path with whitespace a warning, not
 error.

For https://bugs.gnu.org/74453.
See also https://bugs.gnu.org/62896.

* configure.ac (PERL): use AC_MSG_WARN.
---
 configure.ac | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index e4c7a126c..fb2b37076 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,9 +73,11 @@ case $PERL in
    AC_MSG_ERROR([perl not found])
    ;;
  *' '* | *'	'*)
-  AC_MSG_ERROR([The path to your Perl contains spaces or tabs.
-This would cause build failures later or unusable programs.
-Please use a path without spaces and try again.])
+  AC_MSG_WARN([The path to your Perl contains spaces or tabs.
+This will likely cause build failures later or unusable programs.
+Unless you're specifying a full string for a #! line,
+as in "/usr/bin/env perl",
+please use a path without spaces and try again.])
   ;;
 esac
 
-- 
2.47.3