cross-i686-pc-linux-gnu: enable on all glibc archs

srcpkgs/cross-i686-pc-linux-gnu/template

@@ -26,7 +26,6 @@ checksum="0ab6c55dd86a92ed561972ba15b9b70a8b9f75557f896446c82e8b36e473ee04
  e2c4114e569afbe7edbc29131a43be833850ab9a459d81beb2588016d2bbb8af
  0c68f5655528aed4f99dae71a5b259edc93239fa899e2df79c055275c21749a1"
 
-archs="armv6l armv7l x86_64"
 nocross=yes
 nopie=yes
 nodebug=yes
@@ -38,6 +37,14 @@ depends="${pkgname}-libc-${version}_${revision}"
 nostrip_files="libcaf_single.a libgcc.a libgcov.a libgcc_eh.a
  libgnarl_pic.a libgnarl.a libgnat_pic.a libgnat.a"
 
+if [ "$XBPS_TARGET_LIBC" != "glibc" ]; then
+	broken="glibc crosstoolchain only available on glibc"
+fi
+
+if [ "$XBPS_TARGET_MACHINE" = "i686" ]; then
+	broken="Can't build crosstoolchain to itself"
+fi
+
 _apply_patch() {
 	local args="$1" pname="$(basename $2)"