diff --git a/build/fixlibtool.sh b/build/fixlibtool.sh
index 0fb5d508a0..a90659cf9b 100755
--- a/build/fixlibtool.sh
+++ b/build/fixlibtool.sh
@@ -4,7 +4,11 @@ cd fix_libtool
 wget http://mirrors.kernel.org/gnu/libtool/libtool-1.5.22.tar.gz
 tar -zxvf libtool-1.5.22.tar.gz
 cd libtool-1.5.22
+if test "`uname -s`" = "Darwin"; then
+./configure --prefix=/usr --program-prefix=g
+else
 ./configure --prefix=/usr
+fi
 make
 make install
 cd /tmp