Description: Add libm to LIBS to ensure correct linking.
Author: Ilya Barygin <barygin@gmail.com>
Bug: http://developer.berlios.de/patch/?func=detailpatch&patch_id=3142&group_id=1625
Bug-Debian: http://bugs.debian.org/554498
--- a/configure.ac
+++ b/configure.ac
@@ -89,7 +89,7 @@
 	[have_sdl_opengl_h="yes"], [have_sdl_opengl_h="no"]
 	)
 
-AC_CHECK_LIB(m, sqrt, [have_m="yes" M_LIBS="-lm"], [have_m="no"])
+AC_CHECK_LIB(m, sqrt, [have_m="yes" M_LIBS="-lm" LIBS="${M_LIBS} ${LIBS}"], [have_m="no"])
 
 AC_CHECK_LIB(z, compress, [have_z="yes" Z_LIBS="-lz"],
 	[have_z="no"]