strtoumax: fix typo in previous commit.

[gnulib.git] / m4 / progtest.m4

diff --git a/m4/progtest.m4 b/m4/progtest.m4
index 9b55f75..7b39123 100644 (file)
--- a/m4/progtest.m4
+++ b/m4/progtest.m4
@@ -1,5 +1,5 @@
-# progtest.m4 serial 5 (gettext-0.18)
-dnl Copyright (C) 1996-2003, 2005, 2008 Free Software Foundation, Inc.
+# progtest.m4 serial 7 (gettext-0.18.2)
+dnl Copyright (C) 1996-2003, 2005, 2008-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -16,7 +16,7 @@ dnl They are *not* in the public domain.
 dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1996.
 
-AC_PREREQ(2.50)
+AC_PREREQ([2.50])
 
 # Search path for a program which passes the given test.
 
@@ -27,15 +27,14 @@ AC_DEFUN([AM_PATH_PROG_WITH_TEST],
 # Prepare PATH_SEPARATOR.
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
+  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
+  # contains only /bin. Note that ksh looks also at the FPATH variable,
+  # so we have to set that as well for the test.
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
+    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
+           || PATH_SEPARATOR=';'
+       }
 fi
 
 # Find out how to test for executable files. Don't use a zero-byte file,
@@ -88,5 +87,5 @@ if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
 else
   AC_MSG_RESULT([no])
 fi
-AC_SUBST($1)dnl
+AC_SUBST([$1])dnl
 ])