Assume errno.h declares errno.

diff --git a/gettext-tools/m4/ChangeLog b/gettext-tools/m4/ChangeLog
index de12336040f7fe968722770968bbecb64a3b2e15..bf477d2fc45ddc7c39206d71fb99b7fa033ab493 100644 (file)
--- a/gettext-tools/m4/ChangeLog
+++ b/gettext-tools/m4/ChangeLog
@@ -1,3 +1,8 @@
+2006-06-17  Bruno Haible  <bruno@clisp.org>
+
+       * setenv.m4 (gl_PREREQ_SETENV, gl_PREREQ_UNSETENV): Remove test
+       whether errno is declared. Assume <errno.h> declares errno.
+
 2006-06-15  Eric Blake  <ebb9@byu.net>
 
        * ssize_t.m4 (gt_TYPE_SSIZE_T): Work in spite of -Werror.

diff --git a/gettext-tools/m4/setenv.m4 b/gettext-tools/m4/setenv.m4
index 4c76be1ff61c29415119dc63f2feeb95d5fd6962..623fcf2b553b327f8cf699db6d6038f064ed23de 100644 (file)
--- a/gettext-tools/m4/setenv.m4
+++ b/gettext-tools/m4/setenv.m4
@@ -1,5 +1,5 @@
-# setenv.m4 serial 5
-dnl Copyright (C) 2001-2004 Free Software Foundation, Inc.
+# setenv.m4 serial 6
+dnl Copyright (C) 2001-2004, 2006 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.
@@ -57,7 +57,6 @@ AC_DEFUN([gl_PREREQ_SETENV],
   AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_CHECK_HEADERS(search.h)
   AC_CHECK_FUNCS(tsearch)
-  gt_CHECK_VAR_DECL([#include <errno.h>], errno)
   gt_CHECK_VAR_DECL([#include <unistd.h>], environ)
 ])
 
@@ -65,6 +64,5 @@ AC_DEFUN([gl_PREREQ_SETENV],
 AC_DEFUN([gl_PREREQ_UNSETENV],
 [
   AC_CHECK_HEADERS_ONCE(unistd.h)
-  gt_CHECK_VAR_DECL([#include <errno.h>], errno)
   gt_CHECK_VAR_DECL([#include <unistd.h>], environ)
 ])