[Commit-gnuradio] r4426 - gnuradio/branches/releases/3.0/gr-howto-write-a-block/config

[jcorgan]

Author: jcorgan
Date: 2007-02-07 14:12:21 -0700 (Wed, 07 Feb 2007)
New Revision: 4426

Modified:
   gnuradio/branches/releases/3.0/gr-howto-write-a-block/config/lf_cxx.m4
Log:
Applied changeset r4425 on trunk to release branch.

Modified: gnuradio/branches/releases/3.0/gr-howto-write-a-block/config/lf_cxx.m4
===================================================================
--- gnuradio/branches/releases/3.0/gr-howto-write-a-block/config/lf_cxx.m4      
2007-02-07 21:10:37 UTC (rev 4425)
+++ gnuradio/branches/releases/3.0/gr-howto-write-a-block/config/lf_cxx.m4      
2007-02-07 21:12:21 UTC (rev 4426)
@@ -85,7 +85,7 @@
 
   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]) ],