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[gnulib.git] / m4 / posix-shell.m4

diff --git a/m4/posix-shell.m4 b/m4/posix-shell.m4
index 4c56193..5992e6f 100644 (file)
--- a/m4/posix-shell.m4
+++ b/m4/posix-shell.m4
@@ -1,6 +1,6 @@
 # Find a POSIX-conforming shell.
 
-# Copyright (C) 2007-2008 Free Software Foundation, Inc.
+# Copyright (C) 2007-2013 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -17,22 +17,22 @@ AC_DEFUN([gl_POSIX_SHELL],
   AC_CACHE_CHECK([for a shell that conforms to POSIX], [gl_cv_posix_shell],
     [gl_test_posix_shell_script='
        func_return () {
-        (exit [$]1)
+         (exit [$]1)
        }
        func_success () {
-        func_return 0
+         func_return 0
        }
        func_failure () {
-        func_return 1
+         func_return 1
        }
        func_ret_success () {
-        return 0
+         return 0
        }
        func_ret_failure () {
-        return 1
+         return 1
        }
        subshell_umask_sanity () {
-        (umask 22; (umask 0); test $(umask) -eq 22)
+         (umask 22; (umask 0); test $(umask) -eq 22)
        }
        test "[$](echo foo)" = foo &&
        func_success &&
@@ -43,11 +43,11 @@ AC_DEFUN([gl_POSIX_SHELL],
        subshell_umask_sanity
      '
      for gl_cv_posix_shell in \
-        "$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do
+         "$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do
        case $gl_cv_posix_shell in
          /*)
-          "$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \
-            && break;;
+           "$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \
+             && break;;
        esac
      done])