-BINUTILS=ftp://ftp.gnu.org/gnu/binutils/binutils-2.18.tar.bz2
-GCCCORE=ftp://ftp.gnu.org/gnu/gcc/gcc-4.3.0/gcc-core-4.3.0.tar.bz2
-GPP=ftp://ftp.gnu.org/gnu/gcc/gcc-4.3.0/gcc-g++-4.3.0.tar.bz2
-NEWLIB=ftp://sources.redhat.com/pub/newlib/newlib-1.16.0.tar.gz
-#INSIGHT=ftp://sourceware.org/pub/insight/releases/insight-6.8.tar.bz2
-INSIGHT=http://mirrors.kernel.org/sources.redhat.com/insight/releases/insight-6.8.tar.bz2
-#INSIGHT=http://www.mirrorservice.org/sites/sources.redhat.com/pub/insight/releases/insight-6.8.tar.bz2
+BINUTILS=http://ftp.gnu.org/gnu/binutils/binutils-${BINUTILS_VER}.tar.bz2
+GCCCORE=http://ftp.gnu.org/gnu/gcc/gcc-${GCC_VER}/gcc-core-${GCC_VER}.tar.bz2
+GPP=http://ftp.gnu.org/gnu/gcc/gcc-${GCC_VER}/gcc-g++-${GCC_VER}.tar.bz2
+NEWLIB=ftp://sources.redhat.com/pub/newlib/newlib-${NEWLIB_VER}.tar.gz
+#INSIGHT=ftp://sourceware.org/pub/insight/releases/insight-${INSIGHT_VER}.tar.bz2
+INSIGHT=http://mirrors.kernel.org/sources.redhat.com/insight/releases/insight-${INSIGHT_VER}.tar.bz2
+#INSIGHT=http://www.mirrorservice.org/sites/sources.redhat.com/pub/insight/releases/insight-${INSIGHT_VER}.tar.bz2
+GDB=ftp://sourceware.org/pub/gdb/releases/gdb-${GDB_VER}.tar.bz2
+GMP=http://ftp.sunet.se/pub/gnu/gmp/gmp-${GMP_VER}.tar.bz2
+MPFR=http://mpfr.loria.fr/mpfr-current/mpfr-${MPFR_VER}.tar.bz2