* configure.in (ac_cv_func_setitimer): moved from defines.h

* defines.h, rubysig.h, signal.c: removed macro handling which
  should be done in configure.

* configure.in (intrinsics.h): check if present.

* ruby.h: include intrinsics.h if available.

* bignum.c, marshal.c: include ieeefp.h if available.

* missing.h (isinf): define as a macro if finite() and isnan()
  are available.  [ruby-core:02032]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/bignum.c b/bignum.c
index 255b5d141f..5089bff950 100644
--- a/bignum.c
+++ b/bignum.c
@@ -14,6 +14,9 @@
 
 #include <math.h>
 #include <ctype.h>
+#ifdef HAVE_IEEEFP_H
+#include <ieeefp.h>
+#endif
 
 VALUE rb_cBignum;