LIBTOOL_VERSION=2.2.10
LIBTOOL_URL=$(GNU)/libtool/libtool-$(LIBTOOL_VERSION).tar.gz
-AUTOCONF_VERSION=2.68
-AUTOCONF_URL=$(GNU)/autoconf/autoconf-$(AUTOCONF_VERSION).tar.bz2
+AUTOCONF_VERSION=2.69
+AUTOCONF_URL=$(GNU)/autoconf/autoconf-$(AUTOCONF_VERSION).tar.gz
-AUTOMAKE_VERSION=1.11.2
+AUTOMAKE_VERSION=1.12.4
AUTOMAKE_URL=$(GNU)/automake/automake-$(AUTOMAKE_VERSION).tar.gz
-PKGCFG_VERSION=0.23
+M4_VERSION=1.4.16
+M4_URL=$(GNU)/m4/m4-$(M4_VERSION).tar.gz
+
+PKGCFG_VERSION=0.27.1-1
#PKGCFG_URL=http://downloads.videolan.org/pub/videolan/testing/contrib/pkg-config-$(PKGCFG_VERSION).tar.gz
-PKGCFG_URL=http://pkgconfig.freedesktop.org/releases/pkg-config-$(PKGCFG_VERSION).tar.gz
+PKGCFG_URL=http://sourceforge.net/projects/pkgconfiglite/files/$(PKGCFG_VERSION)/pkg-config-lite-$(PKGCFG_VERSION).tar.gz/download
TAR_VERSION=1.26
TAR_URL=$(GNU)/tar/tar-$(TAR_VERSION).tar.bz2
OPENSSL_VERSION=1.0.0e
OPENSSL_URL=http://www.openssl.org/source/openssl-$(OPENSSL_VERSION).tar.gz
-GAS_URL=https://github.com/yuvi/gas-preprocessor/tarball/master
-GAS_VERSION=867337f
+GAS_URL=https://github.com/mansr/gas-preprocessor/tarball/master
+GAS_VERSION=76a72f0
+
+RAGEL_VERSION=6.7
+RAGEL_URL=http://www.complang.org/ragel/ragel-$(RAGEL_VERSION).tar.gz