From: Bogdan <bogdro_rep@gmx.us>
Date: Sun, 28 May 2023 01:10:11 +0000 (-0700)
Subject: configure: exit explicitly if the path to perl contains spaces.
X-Git-Tag: v1.16i~52
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=7f33a3b841b4339093f6a72de030e49e053fc447;p=thirdparty%2Fautomake.git

configure: exit explicitly if the path to perl contains spaces.

This change ameloriates https://bugs.gnu.org/62896.

* configure.ac: exit explicitly if the result of AC_PATH_PROG for
perl contains spaces, since shebang lines cannot support such paths.
* THANKS (Bogdan): add.
---

diff --git a/THANKS b/THANKS
index 1f246151d..f6a745bea 100644
--- a/THANKS
+++ b/THANKS
@@ -52,6 +52,7 @@ Bob Friesenhahn                 bfriesen@simple.dallas.tx.us
 Bob Proulx                      rwp@hprwp.fc.hp.com
 Bob Rossi                       bob@brasko.net
 Bobby Jack                      bobbykjack@yahoo.co.uk
+Bogdan                          bogdro_rep@gmx.us
 Boris Kolpackov                 boris@codesynthesis.com
 Braden N. McDaniel              braden@endoframe.com
 Brandon Black                   blblack@gmail.com
diff --git a/configure.ac b/configure.ac
index d095ccb1a..f78ec5153 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,7 +70,12 @@ AC_PROG_LN_S
 AC_PATH_PROG([PERL], [perl])
 if test -z "$PERL"; then
    AC_MSG_ERROR([perl not found])
+elif test x"`echo $PERL | grep ' '`" != "x"; then
+  AC_MSG_ERROR([The path to your Perl contains spaces.
+This would cause build failures later or unusable programs.
+Please use a path without spaces and try again.])
 fi
+
 # Save details about the selected perl interpreter in config.log.
 AM_RUN_LOG([$PERL --version])
 $PERL -e 'require 5.006;' || {