paw: spkg: Add support package groundwork

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/spkg/Makefile

@@ -0,0 +1,25 @@
+#
+# Copyright (c) 2026, Chloe M.
+# Provided under the BSD-3 clause
+#
+# Description:  Support package build script
+# Author:		Chloe M.
+#
+
+.SILENT:
+include ../mk/stos.mk
+
+CFILES = $(shell find . -name "*.c")
+OFILES = $(CFILES:.c=.o)
+
+CFLAGS = 			\
+	$(SYS_CFLAGS)	\
+	-Ihead			\
+	-I$(ST_PROJECT_ROOT)/sdk/head
+
+.PHONY: all
+all: $(OFILES)
+
+%.o: %.c
+	$(PROMPT) "CC" $<
+	$(SYS_CC) -c $(CFLAGS) $< -o $@