1 files changed, 67 insertions, 0 deletions
diff --git a/user/Makefile b/user/Makefile
new file mode 100644
index 0000000..a4d089a
--- /dev/null
+++ b/user/Makefile
@@ -0,0 +1,67 @@
+### Copyright (c) 2025 Freya Murphy <freya@freyacat.org>
+
+.PHONY: build clean
+.SILENT:
+
+AS ?= as
+AR ?= ar
+CC ?= cc
+LD ?= ld
+CPP ?= cpp
+
+CPPFLAGS += -Iinclude
+
+CFLAGS += -O2
+CFLAGS += -std=c11
+CFLAGS += -Wall -Wextra -pedantic
+CFLAGS += -fno-pie -fno-stack-protector
+CFLAGS += -fno-omit-frame-pointer -ffreestanding
+CFLAGS += -fno-builtin
+CFLAGS += -D DEBUG -g
+CFLAGS += $(CPPFLAGS)
+
+LDFLAGS += -nmagic -nostdlib
+LDFLAGS += -z noexecstack
+
+USER=*
+LIB=lib
+BIN=../bin/user
+
+H_SRC = $(shell find include -type f -name "*.h")
+LIBA_SRC = $(shell find $(LIB) -type f -name "*.S")
+LIBA_OBJ = $(patsubst %.S,$(BIN)/%.S.o,$(LIBA_SRC))
+LIBC_SRC = $(shell find $(LIB) -type f -name "*.c")
+LIBC_OBJ = $(patsubst %.c,$(BIN)/%.o,$(LIBC_SRC))
+USER_SRC = $(shell find $(USER) -maxdepth 0 -type f -name "*.c")
+USER_OBJ = $(patsubst %.c,$(BIN)/%.o,$(USER_SRC))
+USER_PROJ = $(patsubst %.o,%,$(USER_OBJ))
+
+build: $(USER_PROJ)
+
+clean:
+	rm -fr $(BIN)
+
+$(LIBA_OBJ): $(BIN)/%.S.o : %.S
+	mkdir -p $(@D)
+	printf "\033[33m  AS  \033[0m%s\n" $<
+	$(CPP) $(CPPFLAGS) -o $@.cpp $<
+	$(AS) -o $@ $@.cpp
+
+$(LIBC_OBJ): $(BIN)/%.o : %.c
+	mkdir -p $(@D)
+	printf "\033[34m  CC  \033[0m%s\n" $<
+	$(CC) -c $(CFLAGS) -o $@ $<
+
+$(BIN)/libc.a: $(LIBA_OBJ) $(LIBC_OBJ)
+	@mkdir -p $(@D)
+	$(AR) rcs $@ $(LIBA_OBJ) $(LIBC_OBJ)
+
+$(USER_OBJ): $(BIN)/%.o : %.c
+	mkdir -p $(@D)
+	printf "\033[34m  CC  \033[0m%s\n" $<
+	$(CC) -c $(CFLAGS) -o $@ $<
+
+$(USER_PROJ): % : %.o $(BIN)/libc.a
+	mkdir -p $(@D)
+	printf "\033[32m  LD  \033[0m%s\n" $@
+	$(LD) $(LDFLAGS) -T ../config/user.ld -o $@ $< $(BIN)/libc.a