From b4019f43ca1dce3ebe043926bb4ef3f831df3071 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sun, 30 Jan 2022 03:33:39 -0500
Subject: autoconf-wrapper: try to enable shell POSIX mode if available

This sync the logic that's been in the automake wrapper for a long time.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 ac-wrapper.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ac-wrapper.sh b/ac-wrapper.sh
index d522576..f9b0857 100755
--- a/ac-wrapper.sh
+++ b/ac-wrapper.sh
@@ -15,6 +15,8 @@
 #     -or-
 #   - `configure' is already present and was generated by autoconf 2.13
 
+(set -o posix) 2>/dev/null && set -o posix
+
 warn() { printf "ac-wrapper: $*\n" 1>&2; }
 err() { warn "$@"; exit 1; }
 unset IFS
-- 
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