readlink: Relax test a bit.

[gnulib.git] / m4 / timespec.m4

diff --git a/m4/timespec.m4 b/m4/timespec.m4
index 5ca16d4..5dbaed7 100644 (file)
--- a/m4/timespec.m4
+++ b/m4/timespec.m4
@@ -1,52 +1,15 @@
-#serial 7
+#serial 14
+
+# Copyright (C) 2000-2001, 2003-2007, 2009-2010 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
 dnl From Jim Meyering
 
 AC_DEFUN([gl_TIMESPEC],
 [
   dnl Prerequisites of lib/timespec.h.
-  AC_REQUIRE([AC_HEADER_TIME])
-  AC_CHECK_HEADERS_ONCE(sys/time.h)
-  jm_CHECK_TYPE_STRUCT_TIMESPEC
-  AC_STRUCT_ST_MTIM_NSEC
-
-  dnl Persuade glibc <time.h> to declare nanosleep().
-  AC_REQUIRE([AC_GNU_SOURCE])
-
-  AC_CHECK_DECLS(nanosleep, , , [#include <time.h>])
-])
-
-dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
-dnl in time.h or sys/time.h.
-
-AC_DEFUN([jm_CHECK_TYPE_STRUCT_TIMESPEC],
-[
-  dnl Persuade pedantic Solaris to declare struct timespec.
-  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
-
-  AC_REQUIRE([AC_HEADER_TIME])
-  AC_CHECK_HEADERS_ONCE(sys/time.h)
-  AC_CACHE_CHECK([for struct timespec], fu_cv_sys_struct_timespec,
-    [AC_TRY_COMPILE(
-      [
-#      if TIME_WITH_SYS_TIME
-#       include <sys/time.h>
-#       include <time.h>
-#      else
-#       if HAVE_SYS_TIME_H
-#        include <sys/time.h>
-#       else
-#        include <time.h>
-#       endif
-#      endif
-      ],
-      [static struct timespec x; x.tv_sec = x.tv_nsec;],
-      fu_cv_sys_struct_timespec=yes,
-      fu_cv_sys_struct_timespec=no)
-    ])
-
-  if test $fu_cv_sys_struct_timespec = yes; then
-    AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1,
-             [Define if struct timespec is declared in <time.h>. ])
-  fi
+  AC_REQUIRE([AC_C_INLINE])
 ])