--- libs/spandsp/configure.ac.orig	2012-09-19 16:28:24.349415841 +0200
+++ libs/spandsp/configure.ac	2012-09-19 16:28:37.991415791 +0200
@@ -186,7 +186,6 @@
 AC_CHECK_HEADERS([string.h])
 AC_CHECK_HEADERS([strings.h])
 AC_CHECK_HEADERS([malloc.h])
-AC_CHECK_HEADERS([tgmath.h], [INSERT_TGMATH_HEADER="#include <tgmath.h>"])
 AC_CHECK_HEADERS([math.h], [INSERT_MATH_HEADER="#include <math.h>"])
 AC_CHECK_HEADERS([float.h])
 AC_CHECK_HEADERS([fcntl.h])