devel/binutils: avoid unwanted dependencies

  * Disable zlib so that we don't pull in platform libz.
  * Set OVERRIDE_DIRDEPTH.depcomp=1 to disable depcomp-override

devel/binutils/Makefile

@@ -44,6 +44,10 @@ CONFIGURE_ARGS+=        --with-lib-path=${LIB_PATH}
 CONFIGURE_ARGS+=	--program-prefix=g
 BINUTILS_PREFIX=	${PREFIX}/${MACHINE_GNU_PLATFORM}
 
+# Joyent changes to avoid pulling in unwanted dependencies.
+CONFIGURE_ARGS+=		--without-zlib
+OVERRIDE_DIRDEPTH.depcomp=	-1
+
 PLIST_SRC=	${PKGDIR}/PLIST.common
 PLIST_SRC+=	${WRKDIR}/PLIST_DYNAMIC