--- a/configure.ac.bak 2010-05-25 17:12:14.756245990 +0000 +++ b/configure.ac 2010-05-25 17:11:51.629581723 +0000 @@ -79,11 +79,10 @@ CFLAGS="$OPT_CFLAGS $TRY_CFLAGS $CFLAGS" AC_MSG_CHECKING([if <altivec.h> is needed]) AC_TRY_COMPILE([], - [typedef vector int t; - vec_ld(0, (unsigned char *)0);], + [vector int t; t = vec_add(t,t);], [have_altivec=yes; AC_MSG_RESULT(no)], [AC_TRY_COMPILE([#include <altivec.h>], - [typedef vector int t; vec_ld(0, (unsigned char *)0);], + [vector int t; t = vec_add(t,t);], [AC_DEFINE([HAVE_ALTIVEC_H],, [Define to 1 if you have the <altivec.h> header.]) have_altivec=yes; AC_MSG_RESULT(yes)],