ruby: Build 32-bit variants with gcc for now

This fixes a build error with clang for 32-bit targets:
process.c:function timetick2integer: error: undefined reference to
'__mulodi4'

packages/ruby/build.sh

@@ -17,6 +17,11 @@ TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" rb_cv_type_deprecated=x"
 # getresuid(2) does not work on ChromeOS - https://github.com/termux/termux-app/issues/147:
 # TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_getresuid=no"
 
+if [ "$TERMUX_ARCH_BITS" = 32 ]; then
+	# process.c:function timetick2integer: error: undefined reference to '__mulodi4'
+	TERMUX_PKG_CLANG=no
+fi
+
 termux_step_make_install () {
 	make install
 	make uninstall # remove possible remains to get fresh timestamps