feat: ports - libhubbub, libcss, libdom

Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_018Ae69wJS7sueQMUwNxV3nX

test/Makefile

@@ -18,7 +18,11 @@ PORT_NAME := porttest
 
 include ../mk/port.mk
 
+# Link order matters: dependents before their dependencies.
 SYSROOT_LIBS := \
+    $(PORT_SYSROOT_LIB)/libdom.a \
+    $(PORT_SYSROOT_LIB)/libcss.a \
+    $(PORT_SYSROOT_LIB)/libhubbub.a \
     $(PORT_SYSROOT_LIB)/libparserutils.a \
     $(PORT_SYSROOT_LIB)/libwapcaplet.a \
     $(PORT_SYSROOT_LIB)/libz.a