X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=m4%2Fsetenv.m4;h=e28407ee172b28686471b3ef7226deebf6dd18b6;hp=7af13d724163c4e5a6ba4071365a929b5a496762;hb=785cdec4450a1459fdbb90df1344b69be34e0059;hpb=cf7169a2ede9bb08b71de68fe0c8bbecf827abe6

diff --git a/m4/setenv.m4 b/m4/setenv.m4
index 7af13d7..e28407e 100644
--- a/m4/setenv.m4
+++ b/m4/setenv.m4
@@ -1,5 +1,5 @@
-# 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.
@@ -35,7 +35,7 @@ AC_DEFUN([gl_FUNC_UNSETENV],
     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
@@ -58,14 +58,14 @@ AC_DEFUN([gl_PREREQ_SETENV],
 [
   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])
 ])