# Check for a working shell.
-# Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2007, 2009-2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
+# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
[AC_MSG_CHECKING([for a POSIX-compliant shell])
AC_CACHE_VAL(ac_cv_path_shell,
[ac_command='
- # Test the noclobber option, using the portable POSIX.2 syntax.
- set -C
- rm -f conftest.c
- >conftest.c || exit
- >|conftest.c || exit
- !>conftest.c || exit
- # Test that $(...) works.
- test "$(expr 3 + 4)" -eq 7 || exit
+ # Test the noclobber option, using the portable POSIX.2 syntax.
+ set -C
+ rm -f conftest.c
+ >conftest.c || exit
+ >|conftest.c || exit
+ !>conftest.c || exit
+ # Test that $(...) works.
+ test "$(expr 3 + 4)" -eq 7 || exit
'
ac_cv_path_shell=no
case $SHELL in
/*)
- rm -f conftest.c
- if ("$SHELL" -c "$ac_command") 2>/dev/null; then
- ac_cv_path_shell=$SHELL
- fi;;
+ rm -f conftest.c
+ if ("$SHELL" -c "$ac_command") 2>/dev/null; then
+ ac_cv_path_shell=$SHELL
+ fi
esac
case $ac_cv_path_shell in
no)
- # Prefer shells that are more likely to be installed in the
- # same place on all hosts of this platform. Therefore, prefer
- # shells in /bin and /usr/bin to shells in the installer's
- # PATH. Also, loop through PATH first and then through
- # shells, since less-"nice" shells in /bin and /usr/bin are
- # more likely to be installed than "nicer" shells elsewhere.
- as_save_IFS=$IFS; IFS=:
- for as_dir in /bin /usr/bin $PATH
- do
- IFS=$as_save_IFS
- case $as_dir in
- /*)
- for ac_base in sh bash ksh sh5; do
- rm -f conftest.c
- if ("$as_dir/$ac_base" -c "$ac_command") 2>/dev/null; then
- ac_cv_path_shell=$as_dir/$ac_base
- break
- fi
- done
- case $ac_cv_path_shell in
- /*) break;;
- esac;;
- esac
- done
- rm -f conftest.c;;
+ # Prefer shells that are more likely to be installed in the
+ # same place on all hosts of this platform. Therefore, prefer
+ # shells in /bin and /usr/bin to shells in the installer's
+ # PATH. Also, loop through PATH first and then through
+ # shells, since less-"nice" shells in /bin and /usr/bin are
+ # more likely to be installed than "nicer" shells elsewhere.
+ as_save_IFS=$IFS; IFS=:
+ for as_dir in /bin /usr/bin $PATH
+ do
+ IFS=$as_save_IFS
+ case $as_dir in
+ /*)
+ for ac_base in sh bash ksh sh5; do
+ rm -f conftest.c
+ if ("$as_dir/$ac_base" -c "$ac_command") 2>/dev/null; then
+ ac_cv_path_shell=$as_dir/$ac_base
+ break
+ fi
+ done
+ case $ac_cv_path_shell in
+ /*) break
+ esac
+ esac
+ done
+ rm -f conftest.c
esac])
AC_MSG_RESULT($ac_cv_path_shell)
SHELL=$ac_cv_path_shell