xnanosleep: Move AC_LIBOBJ invocations to module description.

[pspp] / lib / time.in.h

diff --git a/lib/time.in.h b/lib/time.in.h
index f6bdad666a068c5591b0c4d05662a57411624e75..ca852e811ecf7cf3001e555dbefe88a3c9c6c25d 100644 (file)
--- a/lib/time.in.h
+++ b/lib/time.in.h
@@ -1,6 +1,6 @@
 /* A more-standard <time.h>.
 
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -28,13 +28,13 @@
    without adding our own declarations.  */
 #if (defined __need_time_t || defined __need_clock_t \
      || defined __need_timespec \
-     || defined _GL_TIME_H)
+     || defined _@GUARD_PREFIX@_TIME_H)
 
 # @INCLUDE_NEXT@ @NEXT_TIME_H@
 
 #else
 
-# define _GL_TIME_H
+# define _@GUARD_PREFIX@_TIME_H
 
 # @INCLUDE_NEXT@ @NEXT_TIME_H@
 
@@ -69,13 +69,16 @@
 extern "C" {
 #   endif
 
-#   undef timespec
-#   define timespec rpl_timespec
+#   if !GNULIB_defined_struct_timespec
+#    undef timespec
+#    define timespec rpl_timespec
 struct timespec
 {
   time_t tv_sec;
   long int tv_nsec;
 };
+#    define GNULIB_defined_struct_timespec 1
+#   endif
 
 #   ifdef __cplusplus
 }
@@ -84,14 +87,17 @@ struct timespec
 #  endif
 # endif
 
+# if !GNULIB_defined_struct_time_t_must_be_integral
 /* Per http://austingroupbugs.net/view.php?id=327, POSIX requires
    time_t to be an integer type, even though C99 permits floating
    point.  We don't know of any implementation that uses floating
    point, and it is much easier to write code that doesn't have to
    worry about that corner case, so we force the issue.  */
 struct __time_t_must_be_integral {
-  unsigned int __floating_time_t_unsupported : 2 * ((time_t) 1 / 2 == 0) - 1;
+  unsigned int __floating_time_t_unsupported : (time_t) 1;
 };
+#  define GNULIB_defined_struct_time_t_must_be_integral 1
+# endif
 
 /* Sleep for at least RQTP seconds unless interrupted,  If interrupted,
    return -1 and store the remaining time into RMTP.  See
@@ -147,7 +153,7 @@ _GL_FUNCDECL_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
                                              struct tm *restrict __result));
 #  else
-#   if ! @HAVE_LOCALTIME_R@
+#   if ! @HAVE_DECL_LOCALTIME_R@
 _GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
                                              struct tm *restrict __result)
                                             _GL_ARG_NONNULL ((1, 2)));
@@ -155,7 +161,9 @@ _GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
                                              struct tm *restrict __result));
 #  endif
+#  if @HAVE_DECL_LOCALTIME_R@
 _GL_CXXALIASWARN (localtime_r);
+#  endif
 #  if @REPLACE_LOCALTIME_R@
 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #    undef gmtime_r
@@ -167,7 +175,7 @@ _GL_FUNCDECL_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
                                           struct tm *restrict __result));
 #  else
-#   if ! @HAVE_LOCALTIME_R@
+#   if ! @HAVE_DECL_LOCALTIME_R@
 _GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
                                           struct tm *restrict __result)
                                          _GL_ARG_NONNULL ((1, 2)));
@@ -175,7 +183,9 @@ _GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
                                           struct tm *restrict __result));
 #  endif
+#  if @HAVE_DECL_LOCALTIME_R@
 _GL_CXXALIASWARN (gmtime_r);
+#  endif
 # endif
 
 /* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store