File 1176-Autoconf-remove-a-test-for-perl-4.patch of Package erlang

From b8c80008ce07e0ffe405f16e355942316451ce2c Mon Sep 17 00:00:00 2001
From: Thomas Depierre <depierre.thomas@gmail.com>
Date: Fri, 26 Mar 2021 15:44:12 +0100
Subject: [PATCH] Autoconf: remove a test for perl 4

This test in the autoconf is both limited, relatively dangerous
(changequote really...) and simply redundant.

If someone built OTP on a machine where perl 4 is the default
they called it on themselves.
---
 erts/aclocal.m4 | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 325fd5c7f6..9b7a502d2d 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -364,19 +364,10 @@ dnl
 dnl Try to find perl version 5. If found set PERL to the absolute path
 dnl of the program, if not found set PERL to false.
 dnl
-dnl On some systems /usr/bin/perl is perl 4 and e.g.
-dnl /usr/local/bin/perl is perl 5. We try to handle this case by
-dnl putting a couple of 
-dnl Tries to handle the case that there are two programs called perl
-dnl in the path and one of them is perl 5 and the other isn't. 
-dnl
 AC_DEFUN(LM_PROG_PERL5,
 [AC_PATH_PROGS(PERL, perl5 perl, false,
    /usr/local/bin:/opt/local/bin:/usr/local/gnu/bin:${PATH})
-changequote(, )dnl
-dnl[ That bracket is needed to balance the right bracket below
-if test "$PERL" = "false" || $PERL -e 'exit ($] >= 5)'; then
-changequote([, ])dnl
+if test "$PERL" = "false"; then
   ac_cv_path_PERL=false
   PERL=false
 dnl  AC_MSG_WARN(perl version 5 not found)
-- 
2.26.2