feat: ports - libhubbub, libcss, libdom

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

mk/port.mk

@@ -165,15 +165,24 @@ NS_MAKE_ARGS := \
 # archive rule tries to *execute* the .a file (exit 127).
 NS_MAKE := MAKEFLAGS= $(MAKE)
 
+# Their makefiles resolve dependencies through pkg-config, so point it at the
+# ports sysroot (prepended, so host packages still resolve for host tools).
+# PYTHON is forced to python3: libcss's codegen invokes $(PYTHON), and this
+# host has no bare `python`.
+NS_ENV := \
+	PKG_CONFIG_PATH="$(PORT_SYSROOT_LIB)/pkgconfig:$$PKG_CONFIG_PATH" \
+	PYTHON=python3
+
 # Build a NetSurf library in $(1) (its checkout dir) and copy the archive to
 # $(PORT_ARCHIVE). Usage in a recipe:  $(call ns_build,upstream,wapcaplet)
 # A port may add its own flags by setting NS_CFLAGS_EXTRA (expanded at call
 # time, so it can be set after this file is included).
 ns_build = \
-	CFLAGS="$(NS_CFLAGS) $(NS_CFLAGS_EXTRA)" $(NS_MAKE) -C $(1) $(NS_MAKE_ARGS) && \
+	CFLAGS="$(NS_CFLAGS) $(NS_CFLAGS_EXTRA)" $(NS_ENV) \
+	$(NS_MAKE) -C $(1) $(NS_MAKE_ARGS) $(NS_MAKE_ARGS_EXTRA) && \
 	cp $(1)/$(NS_BUILDDIR)/lib$(2).a $(PORT_ARCHIVE)
 
-ns_clean = $(NS_MAKE) -C $(1) $(NS_MAKE_ARGS) clean >/dev/null 2>&1 || true
+ns_clean = $(NS_ENV) $(NS_MAKE) -C $(1) $(NS_MAKE_ARGS) clean >/dev/null 2>&1 || true
 
 ifeq ($(PORT_LIB),1)
 
@@ -197,13 +206,29 @@ $(PORT_SYSROOT_INC)/%: $(PORT_HEADER_ROOT)/%
 	@mkdir -p $(dir $@)
 	cp $< $@
 
+# Optional pkg-config file. NetSurf libraries locate their dependencies with
+# pkg-config (REQUIRED_PKGS), so a library that others depend on must publish
+# one into the sysroot or those builds fail to find it. Their .pc.in files use
+# literal PREFIX/LIBDIR/INCLUDEDIR/VERSION placeholders, substituted here the
+# same way their install step would.
+ifneq ($(PORT_PC_IN),)
+INSTALLED_PC := $(PORT_SYSROOT_LIB)/pkgconfig/$(PORT_NAME).pc
+
+$(INSTALLED_PC): $(PORT_PC_IN) Makefile
+	@mkdir -p $(dir $@)
+	sed -e 's|PREFIX|$(PORT_SYSROOT)|' \
+	    -e 's|LIBDIR|lib|' \
+	    -e 's|INCLUDEDIR|include|' \
+	    -e 's|VERSION|$(PORT_PC_VERSION)|' $< > $@
+endif
+
 .PHONY: install-lib
-install-lib: $(INSTALLED_LIB) $(INSTALLED_HEADERS)
+install-lib: $(INSTALLED_LIB) $(INSTALLED_HEADERS) $(INSTALLED_PC)
 	@echo "installed lib: $(PORT_NAME) -> $(PORT_SYSROOT)"
 
 .PHONY: clean-lib
 clean-lib:
-	rm -rf $(OBJDIR) $(PORT_ARCHIVE) $(INSTALLED_LIB) $(INSTALLED_HEADERS)
+	rm -rf $(OBJDIR) $(PORT_ARCHIVE) $(INSTALLED_LIB) $(INSTALLED_HEADERS) $(INSTALLED_PC)
 
 else