initial commit - doom port

Makefile

@@ -0,0 +1,63 @@
+# Makefile - MontaukOS ports tree
+#
+#   make                 Build every port into out/apps/<name>/
+#   make doom            Build a single port (shorthand for its category path)
+#   make games-fps/doom  Same, by full path
+#   make install         Copy built bundles into the MontaukOS ramdisk tree
+#   make clean           Remove build artifacts
+#
+# Ports build against a MontaukOS checkout; override its location with
+# MONTAUKOS=/path/to/MontaukOS (default ~/dev/MontaukOS).
+
+MAKEFLAGS += -rR
+.SUFFIXES:
+
+MTKPORTS_ROOT := $(CURDIR)
+export MTKPORTS_ROOT
+
+MONTAUKOS ?= $(HOME)/dev/MontaukOS
+export MONTAUKOS
+
+OUTDIR := $(MTKPORTS_ROOT)/out
+export OUTDIR
+
+# Ports to build, as <category>/<port>, in dependency order: library ports
+# come before the applications that link them. Categories follow Gentoo
+# naming (dev-libs, media-libs, net-libs, www-client, games-fps, ...).
+PORTS := \
+    games-fps/doom
+
+# Bundle directories are keyed by port name, not category path.
+PORT_NAMES := $(notdir $(PORTS))
+
+.PHONY: all clean install $(PORTS) $(PORT_NAMES)
+
+all: $(PORTS)
+
+$(PORTS):
+	$(MAKE) -C $@
+
+# Shorthand target per port name, so `make doom` works as well as
+# `make games-fps/doom`.
+define PORT_ALIAS
+$(notdir $(1)): $(1)
+endef
+$(foreach p,$(PORTS),$(eval $(call PORT_ALIAS,$(p))))
+
+# Drop finished bundles into the OS ramdisk staging tree. install_apps.sh
+# builds in-tree app bundles at the same path; ports simply add to it.
+install: all
+	@mkdir -p $(MONTAUKOS)/programs/bin/apps
+	@for p in $(PORTS); do \
+	    n=$$(basename $$p); \
+	    if [ -d "$(OUTDIR)/apps/$$n" ]; then \
+	        cp -r "$(OUTDIR)/apps/$$n" "$(MONTAUKOS)/programs/bin/apps/"; \
+	        echo "installed port: $$p"; \
+	    fi; \
+	done
+	@echo "ports: installed into $(MONTAUKOS)/programs/bin/apps/"
+	@echo "ports: run 'make ramdisk' (or 'make') in $(MONTAUKOS) to rebuild the image"
+
+clean:
+	@for p in $(PORTS); do $(MAKE) -C $$p clean; done
+	rm -rf $(OUTDIR)