-# setenv.m4 serial 10
-dnl Copyright (C) 2001-2004, 2006-2008 Free Software Foundation, Inc.
+# setenv.m4 serial 11
+dnl Copyright (C) 2001-2004, 2006-2009 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.
AC_LIBOBJ([unsetenv])
gl_PREREQ_UNSETENV
else
- AC_CACHE_CHECK([for unsetenv() return type], gt_cv_func_unsetenv_ret,
+ AC_CACHE_CHECK([for unsetenv() return type], [gt_cv_func_unsetenv_ret],
[AC_TRY_COMPILE([#include <stdlib.h>
extern
#ifdef __cplusplus
[
AC_REQUIRE([AC_FUNC_ALLOCA])
AC_REQUIRE([gl_ENVIRON])
- AC_CHECK_HEADERS_ONCE(unistd.h)
- AC_CHECK_HEADERS(search.h)
- AC_CHECK_FUNCS(tsearch)
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+ AC_CHECK_HEADERS([search.h])
+ AC_CHECK_FUNCS([tsearch])
])
# Prerequisites of lib/unsetenv.c.
AC_DEFUN([gl_PREREQ_UNSETENV],
[
AC_REQUIRE([gl_ENVIRON])
- AC_CHECK_HEADERS_ONCE(unistd.h)
+ AC_CHECK_HEADERS_ONCE([unistd.h])
])