Assume ANSI C <string.h>, <stdlib.h>.

[gnulib.git] / m4 / setenv.m4

diff --git a/m4/setenv.m4 b/m4/setenv.m4
index af621ec..3b19a29 100644 (file)
--- a/m4/setenv.m4
+++ b/m4/setenv.m4
@@ -1,5 +1,5 @@
-# setenv.m4 serial 3
-dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+# setenv.m4 serial 4
+dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -40,7 +40,7 @@ AC_DEFUN([gt_CHECK_VAR_DECL],
 AC_DEFUN([gl_PREREQ_SETENV],
 [
   AC_REQUIRE([AC_FUNC_ALLOCA])
-  AC_CHECK_HEADERS_ONCE(stdlib.h string.h unistd.h)
+  AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_CHECK_HEADERS(search.h)
   AC_CHECK_FUNCS(tsearch)
   gt_CHECK_VAR_DECL([#include <errno.h>], errno)
@@ -50,7 +50,7 @@ AC_DEFUN([gl_PREREQ_SETENV],
 # Prerequisites of lib/unsetenv.c.
 AC_DEFUN([gl_PREREQ_UNSETENV],
 [
-  AC_CHECK_HEADERS_ONCE(stdlib.h string.h unistd.h)
+  AC_CHECK_HEADERS_ONCE(unistd.h)
   gt_CHECK_VAR_DECL([#include <errno.h>], errno)
   gt_CHECK_VAR_DECL([#include <unistd.h>], environ)
 ])