From 7395bc29e6d762619fb5a45f76c7cdf8d92d4689 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Sun, 16 Feb 2020 22:21:11 -0500
Subject: update

---
 Makefile | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 22883a1..6832bbd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,21 +1,24 @@
+CC = gcc
+CFLAGS ?= -O2 -pipe
+MAKEFLAGS += -L -R -r
+
 all: initramfs.img
 
-initramfs.img:
+initramfs.img: gen_init_cpio
 	./make
 
 -include initramfs.d
 
-install: install-initramfs.img
+gen_init_cpio: gen_init_cpio.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 
-install-initramfs.img: initramfs.img
-	rm -f $@.old $@.new
-	cp $< $@.new
-	if [ -e $@ ]; then mv $@ $@.old; fi
-	mv $@.new $@
+install: initramfs.img
+	rm -f /boot/$<.old /boot/$<.new
+	cp $< /boot/$<.new || rm -f /boot/$<.new
+	if [ -e /boot/$< ]; then mv /boot/$< /boot/$<.old; fi
+	mv /boot/$<.new /boot/$<
 
 clean:
-	$(RM) -r initramfs.img initramfs.d kernel
-
-.PHONY: all install install-initramfs.img clean
+	rm -f -r initramfs.img initramfs.d gen_init_cpio
 
-MAKEFLAGS = -L -R -r
+.PHONY: all install clean
-- 
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