-# gethrxtime.m4 serial 8
-dnl Copyright (C) 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
+# gethrxtime.m4 serial 9
+dnl Copyright (C) 2005-2006, 2008-2011 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.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_XTIME])
AC_CHECK_DECLS([gethrtime], [], [], [#include <time.h>])
+ LIB_GETHRXTIME=
case $ac_cv_have_decl_gethrtime,$gl_cv_arithmetic_hrtime_t in
yes,yes) ;;
*)
AC_LIBOBJ([gethrxtime])
gl_PREREQ_GETHRXTIME;;
esac
+ AC_SUBST([LIB_GETHRXTIME])
])
# Test whether hrtime_t is an arithmetic type.
AC_CACHE_CHECK([for arithmetic hrtime_t], [gl_cv_arithmetic_hrtime_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <time.h>]],
- [[hrtime_t x = 0; return x/x;]])],
+ [[hrtime_t x = 0; return x/x;]])],
[gl_cv_arithmetic_hrtime_t=yes],
[gl_cv_arithmetic_hrtime_t=no])])
if test $gl_cv_arithmetic_hrtime_t = yes; then
AC_CHECK_FUNCS_ONCE([microuptime nanouptime])
if test $ac_cv_func_nanouptime != yes; then
- LIB_GETHRXTIME=
AC_CACHE_CHECK([whether CLOCK_MONOTONIC or CLOCK_REALTIME is defined],
gl_cv_have_clock_gettime_macro,
[AC_EGREP_CPP([have_clock_gettime_macro],
- [
+ [
# include <time.h>
# if defined CLOCK_MONOTONIC || defined CLOCK_REALTIME
- have_clock_gettime_macro
+ have_clock_gettime_macro
# endif
- ],
- gl_cv_have_clock_gettime_macro=yes,
- gl_cv_have_clock_gettime_macro=no)])
+ ],
+ gl_cv_have_clock_gettime_macro=yes,
+ gl_cv_have_clock_gettime_macro=no)])
if test $gl_cv_have_clock_gettime_macro = yes; then
LIB_GETHRXTIME=$LIB_CLOCK_GETTIME
fi
- AC_SUBST([LIB_GETHRXTIME])
fi
])