knu	2012-11-12 19:26:28 +0900 (Mon, 12 Nov 2012)

  New Revision: 37628

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=37628

  Log:
    Fix build on DragonFly where configure fails to detect isinf()/isnan().
    
    * configure.in (isinf, isnan): isinf() and isnan() are macros on
      DragonFly which cannot be found by AC_REPLACE_FUNCS().  This
      workaround enforces the fact that they exist on DragonFly.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in

Index: configure.in
===================================================================
--- configure.in	(revision 37627)
+++ configure.in	(revision 37628)
@@ -1241,6 +1241,9 @@
 		ac_cv_func_close=no
 		],
 [dragonfly*], [	LIBS="-lm $LIBS"
+		# isinf() and isnan() are macros on DragonFly.
+		ac_cv_func_isinf=yes
+		ac_cv_func_isnan=yes
 		],
 [bow], [	ac_cv_func_setitimer=no
 		],
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 37627)
+++ ChangeLog	(revision 37628)
@@ -1,3 +1,9 @@
+Mon Nov 12 19:14:50 2012  Akinori MUSHA  <knu@i...>
+
+	* configure.in (isinf, isnan): isinf() and isnan() are macros on
+	  DragonFly which cannot be found by AC_REPLACE_FUNCS().  This
+	  workaround enforces the fact that they exist on DragonFly.
+
 Mon Nov 12 15:59:38 2012  Shugo Maeda  <shugo@r...>
 
 	* vm_core.h (rb_call_info_t::refinements), compile.c (new_callinfo),

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