--- configure.in.orig	2013-01-30 00:41:04.000000000 -0800
+++ configure.in	2013-01-30 00:41:54.000000000 -0800
@@ -464,16 +464,13 @@ dnl -fomit-frame-pointer does not work o
 
     CFLAGS_MACHINE=
     case "$host" in
-        i*86*darwin1*)     CFLAGS_MACHINE='-march=i686 -m32';;
         mips*irix*)        CFLAGS_MACHINE='-march=4000';;
         *sparc*sunos4.1.3) CFLAGS_MACHINE='-msupersparc';;
         *sparc*solaris)    CFLAGS_MACHINE='-msupersparc';;
         i686*)             CFLAGS_MACHINE='-march=pentiumpro -m32';;
         i586*)             CFLAGS_MACHINE='-march=pentium -m32';;
         i*86*)             CFLAGS_MACHINE='-march=i486 -m32';;
-        powerpc*darwin*)   CFLAGS_MACHINE='-mpowerpc -no-cpp-precomp';;
         x86_64*solaris*)   CFLAGS_MACHINE='-m64';;
-        x86_64*darwin*)    CFLAGS_MACHINE='-march=x86-64 -m64';;
     esac
 
     case "$host" in