strerror_r: avoid clobbering strerror on cygwin

[gnulib.git] / m4 / sys_select_h.m4

diff --git a/m4/sys_select_h.m4 b/m4/sys_select_h.m4
index e085eb8..f167118 100644 (file)
--- a/m4/sys_select_h.m4
+++ b/m4/sys_select_h.m4
@@ -1,5 +1,5 @@
-# sys_select_h.m4 serial 14
-dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
+# sys_select_h.m4 serial 16
+dnl Copyright (C) 2006-2011 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.
@@ -45,7 +45,6 @@ AC_DEFUN([gl_HEADER_SYS_SELECT],
           ])
       fi
     ])
-  AC_CHECK_HEADERS_ONCE([sys/select.h])
   dnl <sys/select.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([sys/select.h])
   if test $ac_cv_header_sys_select_h = yes; then
@@ -61,7 +60,7 @@ AC_DEFUN([gl_HEADER_SYS_SELECT],
   gl_WARN_ON_USE_PREPARE([[
 /* Some systems require prerequisite headers.  */
 #include <sys/types.h>
-#if !defined __GLIBC__ && HAVE_SYS_TIME_H
+#if !(defined __GLIBC__ && !defined __UCLIBC__) && HAVE_SYS_TIME_H
 # include <sys/time.h>
 #endif
 #include <sys/select.h>
@@ -74,7 +73,7 @@ AC_DEFUN([gl_SYS_SELECT_MODULE_INDICATOR],
   AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS])
   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
   dnl Define it also as a C macro, for the benefit of the unit tests.
-  gl_MODULE_INDICATOR([$1])
+  gl_MODULE_INDICATOR_FOR_TESTS([$1])
 ])
 
 AC_DEFUN([gl_SYS_SELECT_H_DEFAULTS],