From 769e96b60f631e8c208fd7f72900d0bb17760f88 Mon Sep 17 00:00:00 2001
From: Yi Zhao <yi.zhao@windriver.com>
Date: Tue, 30 Aug 2022 09:54:11 +0800
Subject: [PATCH] libopts.m4: set POSIX_SHELL to /bin/sh

POSIX_SHELL is specified a host tool path as it searches path on build
host using `which` when configure. Set it to a fixed path '/bin/sh'.

Upstream-Status: Inappropriate [embedded specific]

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
 m4/libopts.m4 | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/m4/libopts.m4 b/m4/libopts.m4
index cfbd477..c8047eb 100644
--- a/m4/libopts.m4
+++ b/m4/libopts.m4
@@ -111,21 +111,7 @@ AC_DEFUN([INVOKE_LIBOPTS_MACROS_FIRST],[
   AC_CHECK_FUNCS([mmap canonicalize_file_name snprintf strdup strchr \
                  strrchr strsignal fchmod fstat chmod])
   AC_PROG_SED
-  [while :
-  do
-      POSIX_SHELL=`which bash`
-      test -x "$POSIX_SHELL" && break
-      POSIX_SHELL=`which dash`
-      test -x "$POSIX_SHELL" && break
-      POSIX_SHELL=/usr/xpg4/bin/sh
-      test -x "$POSIX_SHELL" && break
-      POSIX_SHELL=`/bin/sh -c '
-          exec 2>/dev/null
-          if ! true ; then exit 1 ; fi
-          echo /bin/sh'`
-      test -x "$POSIX_SHELL" && break
-      ]AC_MSG_ERROR([cannot locate a working POSIX shell])[
-  done]
+  POSIX_SHELL='/bin/sh'
   AC_DEFINE_UNQUOTED([POSIX_SHELL], ["${POSIX_SHELL}"],
            [define to a working POSIX compliant shell])
   AC_SUBST([POSIX_SHELL])
-- 
2.25.1