diff --git a/packages/compiler/gcc/gcc-6.1.0 b/packages/compiler/gcc/gcc-6.1.0
index 7407d7a..1fbdd49 100755
--- a/packages/compiler/gcc/gcc-6.1.0
+++ b/packages/compiler/gcc/gcc-6.1.0
@@ -23,10 +23,10 @@ src_unpack() {
 		# Currently, older versions of GMP, MPFR and MPC are installed to avoid problems
 		# http://gcc.gnu.org/install/prerequisites.html
 		# unpack required GMP, MPFR and MPC sources into subdirectories
-		tar xjf ${SRC_POOL}/gmp-4.3.2.tar.bz2  -C $SRCDIR
-		tar xjf ${SRC_POOL}/mpfr-2.4.2.tar.bz2 -C $SRCDIR
-		tar xzf ${SRC_POOL}/mpc-0.8.1.tar.gz   -C $SRCDIR
-                tar xjf ${SRC_POOL}/isl-0.15.tar.bz2 -C $SRCDIR
+		tar xjf ${SRC_POOL}/gmp-6.1.0.tar.bz2  -C $SRCDIR
+		tar xjf ${SRC_POOL}/mpfr-3.1.4.tar.bz2 -C $SRCDIR
+		tar xzf ${SRC_POOL}/mpc-1.0.3.tar.gz   -C $SRCDIR
+                tar xjf ${SRC_POOL}/isl-0.16.1.tar.bz2 -C $SRCDIR
 		# rename subdirectories as required by gcc's configure
 		mv $SRCDIR/gmp-*  $SRCDIR/gmp
 		mv $SRCDIR/mpfr-* $SRCDIR/mpfr
@@ -42,5 +42,6 @@ src_pretest() {
 # Other interesting configure options:
 CONFIGURE_OPTS=" \
         --enable-languages=c,c++,fortran \
+	--enable-offload-targets=hsa \
         "