frexpl: Update regarding AIX.

[gnulib.git] / m4 / gethrxtime.m4

diff --git a/m4/gethrxtime.m4 b/m4/gethrxtime.m4
index d33ecac..9425003 100644 (file)
--- a/m4/gethrxtime.m4
+++ b/m4/gethrxtime.m4
@@ -1,5 +1,5 @@
-# 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, 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.
@@ -12,12 +12,14 @@ AC_DEFUN([gl_GETHRXTIME],
   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.
@@ -29,7 +31,7 @@ AC_DEFUN([gl_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;]])],
+          [[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
@@ -54,21 +56,19 @@ AC_DEFUN([gl_PREREQ_GETHRXTIME],
   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
 ])