-# serial 15
+# serial 21
-# Copyright (C) 2001-2003, 2005, 2007, 2009-2011 Free Software Foundation, Inc.
+# Copyright (C) 2001-2003, 2005, 2007, 2009-2014 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.
gl_gettimeofday_timezone=void
if test $ac_cv_func_gettimeofday != yes; then
HAVE_GETTIMEOFDAY=0
- AC_LIBOBJ([gettimeofday])
- gl_PREREQ_GETTIMEOFDAY
else
gl_FUNC_GETTIMEOFDAY_CLOBBER
AC_CACHE_CHECK([for gettimeofday with POSIX signature],
gl_gettimeofday_timezone='struct timezone'
elif test $gl_cv_func_gettimeofday_posix_signature != yes; then
REPLACE_GETTIMEOFDAY=1
- AC_LIBOBJ([gettimeofday])
- gl_PREREQ_GETTIMEOFDAY
fi
+ dnl If we override 'struct timeval', we also have to override gettimeofday.
+ if test $REPLACE_STRUCT_TIMEVAL = 1; then
+ REPLACE_GETTIMEOFDAY=1
+ fi
+ m4_ifdef([gl_FUNC_TZSET_CLOBBER], [
+ gl_FUNC_TZSET_CLOBBER
+ case "$gl_cv_func_tzset_clobber" in
+ *yes)
+ REPLACE_GETTIMEOFDAY=1
+ gl_GETTIMEOFDAY_REPLACE_LOCALTIME
+ AC_DEFINE([tzset], [rpl_tzset],
+ [Define to rpl_tzset if the wrapper function should be used.])
+ AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1],
+ [Define if tzset clobbers localtime's static buffer.])
+ ;;
+ esac
+ ])
fi
AC_DEFINE_UNQUOTED([GETTIMEOFDAY_TIMEZONE], [$gl_gettimeofday_timezone],
[Define this to 'void' or 'struct timezone' to match the system's
AC_DEFUN([gl_FUNC_GETTIMEOFDAY_CLOBBER],
[
AC_REQUIRE([gl_HEADER_SYS_TIME_H])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer],
[gl_cv_func_gettimeofday_clobber],
]])],
[gl_cv_func_gettimeofday_clobber=no],
[gl_cv_func_gettimeofday_clobber=yes],
- dnl When crosscompiling, assume it is broken.
- [gl_cv_func_gettimeofday_clobber=yes])])
+ [# When cross-compiling:
+ case "$host_os" in
+ # Guess all is fine on glibc systems.
+ *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_gettimeofday_clobber="guessing yes" ;;
+ esac
+ ])])
- if test $gl_cv_func_gettimeofday_clobber = yes; then
- REPLACE_GETTIMEOFDAY=1
- gl_GETTIMEOFDAY_REPLACE_LOCALTIME
- AC_DEFINE([GETTIMEOFDAY_CLOBBERS_LOCALTIME], [1],
- [Define if gettimeofday clobbers the localtime buffer.])
- fi
+ case "$gl_cv_func_gettimeofday_clobber" in
+ *yes)
+ REPLACE_GETTIMEOFDAY=1
+ gl_GETTIMEOFDAY_REPLACE_LOCALTIME
+ AC_DEFINE([GETTIMEOFDAY_CLOBBERS_LOCALTIME], [1],
+ [Define if gettimeofday clobbers the localtime buffer.])
+ ;;
+ esac
])
AC_DEFUN([gl_GETTIMEOFDAY_REPLACE_LOCALTIME], [
- AC_LIBOBJ([gettimeofday])
- gl_PREREQ_GETTIMEOFDAY
- AC_DEFINE([gmtime], [rpl_gmtime],
- [Define to rpl_gmtime if the replacement function should be used.])
- AC_DEFINE([localtime], [rpl_localtime],
- [Define to rpl_localtime if the replacement function should be used.])
+ REPLACE_GMTIME=1
+ REPLACE_LOCALTIME=1
])
# Prerequisites of lib/gettimeofday.c.