configure.ac: Fix lrint/lrintf checks to actually work. These functions are in...

configure.ac: Fix lrint/lrintf checks to actually work. These functions are in libm on Linux at least so try to link ...

Original commit message from CVS:
* configure.ac:
Fix lrint/lrintf checks to actually work. These functions are
in libm on Linux at least so try to link to it.

ChangeLog

+2008-03-21  Sebastian Dröge  <slomo@circular-chaos.org>
+
+	* configure.ac:
+	Fix lrint/lrintf checks to actually work. These functions are
+	in libm on Linux at least so try to link to it.
+
 2008-03-21  Jan Schmidt  <jan.schmidt@sun.com>
 
 	* configure.ac:

common @ 9a358e5c

-Subproject commit 170f8e91adc7157f6e708ffa58ca22d10e4e45da
+Subproject commit 9a358e5cc3977fd6121f12dd25a358081fd77041

configure.ac

@@ -230,8 +230,11 @@ AC_FUNC_FSEEKO
 
 dnl Check for fast float to int casting as defined in C99
 dnl used in gst-libs/gst/floatcast/floatcast.h
+save_libs=$LIBS
+LIBS="$LIBS $LIBM"
 AC_C99_FUNC_LRINT
 AC_C99_FUNC_LRINTF
+LIBS=$save_libs
 
 dnl Check for a way to display the function name in debug output
 AG_GST_CHECK_FUNCTION