Assume errno.h declares errno.

diff --git a/m4/ChangeLog b/m4/ChangeLog
index bc57ef5..2d2de5d 100644 (file)
--- a/m4/ChangeLog
+++ b/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  Bruno Haible  <bruno@clisp.org>
 
        * stdint.m4 (gl_STDINT_H): Rewritten to produce a complete stdint.h.

diff --git a/m4/setenv.m4 b/m4/setenv.m4
index 4c76be1..623fcf2 100644 (file)
--- a/m4/setenv.m4
+++ b/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)
 ])