gcc-core:

- build with mpc and libelf support

packages/toolchain/lang/gcc-core/build

@@ -6,8 +6,10 @@ $SCRIPTS/install ccache
 $SCRIPTS/install binutils
 $SCRIPTS/build gmp
 $SCRIPTS/build mpfr
+$SCRIPTS/build mpc
 $SCRIPTS/build ppl
 $SCRIPTS/build cloog-ppl
+$SCRIPTS/build libelf
 $SCRIPTS/unpack gcc
 
 setup_toolchain host
@@ -23,8 +25,10 @@ LDFLAGS="-Wl,-rpath,$ROOT/$TOOLCHAIN/lib" \
              --with-sysroot=$SYSROOT_PREFIX \
              --with-gmp=$ROOT/$TOOLCHAIN \
              --with-mpfr=$ROOT/$TOOLCHAIN \
+             --with-mpc=$ROOT/$TOOLCHAIN \
              --with-ppl=$ROOT/$TOOLCHAIN \
              --with-cloog=$ROOT/$TOOLCHAIN \
+             --with-libelf=$ROOT/$TOOLCHAIN \
              --enable-languages=c \
              --disable-libmudflap \
              --disable-libssp \