GNU=http://ftp.gnu.org/gnu

YASM_VERSION=1.2.0
#YASM_URL=$(CONTRIB_VIDEOLAN)/yasm-$(YASM_VERSION).tar.gz
YASM_URL=http://www.tortall.net/projects/yasm/releases/yasm-$(YASM_VERSION).tar.gz

CMAKE_VERSION=2.8.6
CMAKE_URL=http://www.cmake.org/files/v2.8/cmake-$(CMAKE_VERSION).tar.gz

LIBTOOL_VERSION=2.2.10
LIBTOOL_URL=$(GNU)/libtool/libtool-$(LIBTOOL_VERSION).tar.gz

AUTOCONF_VERSION=2.69
AUTOCONF_URL=$(GNU)/autoconf/autoconf-$(AUTOCONF_VERSION).tar.gz

AUTOMAKE_VERSION=1.12.4
AUTOMAKE_URL=$(GNU)/automake/automake-$(AUTOMAKE_VERSION).tar.gz

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-$(PKGCFG_VERSION).tar.gz
PKGCFG_URL=http://sourceforge.net/projects/pkgconfiglite/files/$(PKGCFG_VERSION)/pkg-config-lite-$(PKGCFG_VERSION).tar.gz/download

TAR_VERSION=1.26
TAR_URL=$(GNU)/tar/tar-$(TAR_VERSION).tar.bz2

XZ_VERSION=5.0.3
XZ_URL=http://tukaani.org/xz/xz-$(XZ_VERSION).tar.bz2

OPENSSL_VERSION=1.0.0e
OPENSSL_URL=http://www.openssl.org/source/openssl-$(OPENSSL_VERSION).tar.gz

GAS_VERSION=c76b628
GAS_URL=https://github.com/libav/gas-preprocessor/tarball/$(GAS_VERSION)

RAGEL_VERSION=6.8
RAGEL_URL=http://www.complang.org/ragel/ragel-$(RAGEL_VERSION).tar.gz