CHERRY-PICKED component/gcc: use slapos's binutils.

component/gcc/buildout.cfg

@@ -6,6 +6,7 @@ extends =
   ../perl/buildout.cfg
   ../tar/buildout.cfg
   ../xz-utils/buildout.cfg
+  ../binutils/buildout.cfg
 
 parts =
   gcc
@@ -59,6 +60,9 @@ configure-options =
   --with-mpc=${mpc:location}
   --enable-languages="c,c++"
   --with-isl=${isl:location}
+  --with-ld=${binutils:location}/bin/ld
+  --with-nm=${binutils:location}/bin/nm
+  --with-as=${binutils:location}/bin/as
 environment =
   LDFLAGS=-Wl,-rpath=${gmp:location}/lib -Wl,-rpath=${isl:location}/lib -Wl,-rpath=${mpc:location}/lib -Wl,-rpath=${mpfr:location}/lib
   PATH=${perl:location}/bin:${tar:location}/bin:%(PATH)s