From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Wed, 7 Feb 2007 21:10:37 +0000 (+0000)
Subject: Implemented fix for ticket:117 for gr-howto-write-a-block.
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=ad798c9a53e0c4cbee7ba3b47966c0882e22e8e1;p=debian%2Fgnuradio

Implemented fix for ticket:117 for gr-howto-write-a-block.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4425 221aa14e-8319-0410-a670-987f0aec2ac5
---

diff --git a/gr-howto-write-a-block/config/lf_cxx.m4 b/gr-howto-write-a-block/config/lf_cxx.m4
index c2b3cd53..9465290b 100644
--- a/gr-howto-write-a-block/config/lf_cxx.m4
+++ b/gr-howto-write-a-block/config/lf_cxx.m4
@@ -85,7 +85,7 @@ AC_DEFUN([LF_CXX_PORTABILITY],[
 
   dnl Test whether C++ has std::isnan
   AC_MSG_CHECKING(whether C++ has std::isnan)
-  AC_TRY_COMPILE([#include <math.h>], [
+  AC_TRY_COMPILE([#include <cmath>], [
    std::isnan(0);
 ], [ AC_MSG_RESULT(yes)
 	AC_DEFINE(CXX_HAS_STD_ISNAN,[],[Define if has std::isnan]) ],