-# gethrxtime.m4 serial 3
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gethrxtime.m4 serial 9
+dnl Copyright (C) 2005, 2006, 2008, 2009, 2010 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_DEFUN([gl_GETHRXTIME],
[
- AC_LIBSOURCES([gethrxtime.c, gethrxtime.h, xtime.h])
AC_REQUIRE([gl_ARITHMETIC_HRTIME_T])
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_DEFUN([gl_ARITHMETIC_HRTIME_T],
[
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
- AC_CACHE_CHECK([for arithmetic hrtime_t], gl_cv_arithmetic_hrtime_t,
+ 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;])],
+ [AC_LANG_PROGRAM([[#include <time.h>]],
+ [[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_DEFINE([HAVE_ARITHMETIC_HRTIME_T], 1,
+ AC_DEFINE([HAVE_ARITHMETIC_HRTIME_T], [1],
[Define if you have an arithmetic hrtime_t type.])
fi
])
AC_DEFUN([gl_XTIME],
[
AC_REQUIRE([AC_C_INLINE])
- AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
:
])
[
AC_REQUIRE([gl_CLOCK_TIME])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
- AC_CHECK_FUNCS_ONCE(microuptime nanouptime)
+ AC_CHECK_FUNCS_ONCE([microuptime nanouptime])
if test $ac_cv_func_nanouptime != yes; then
- LIB_GETHRXTIME=
- AC_CACHE_CHECK([whether CLOCK_MONOTONIC is defined],
- gl_cv_have_CLOCK_MONOTONIC,
- [AC_EGREP_CPP([have_CLOCK_MONOTONIC],
- [
+ 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>
-# ifdef CLOCK_MONOTONIC
- have_CLOCK_MONOTONIC
+# if defined CLOCK_MONOTONIC || defined CLOCK_REALTIME
+ have_clock_gettime_macro
# endif
- ],
- gl_cv_have_CLOCK_MONOTONIC=yes,
- gl_cv_have_CLOCK_MONOTONIC=no)])
- if test $gl_cv_have_CLOCK_MONOTONIC = yes; then
+ ],
+ 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
])