From 1ec8f14f03322e3fe1f56f4abcbc85f5c2934dfc Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Tue, 2 May 2017 16:14:41 +0200
Subject: fix for sdcc makefile

fix for the old makefile, because it could't compile more than one source file.
new libc directory with mem.c to start implementing the standard  C library
(or at least the part we need).
---
 sw/z80/makefile | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'sw/z80/makefile')

diff --git a/sw/z80/makefile b/sw/z80/makefile
index ecdd9a4..3d682ca 100644
--- a/sw/z80/makefile
+++ b/sw/z80/makefile
@@ -4,6 +4,7 @@
 OSNAME := helvetiOS
  
 CSOURCES 	:= $(wildcard kernel/*.c) $(wildcard libc/*.c)
+OBJECTS 	:= $(patsubst %.c,build/%.rel,$(CSOURCES))
 HEXFILE		:= build/$(OSNAME).hex
 BINARY  	:= build/$(OSNAME).bin
 
@@ -12,26 +13,33 @@ BINARY  	:= build/$(OSNAME).bin
 
 CC 		:= sdcc
 
-CFLAGS	:= -mz80 --no-std-crt0 crt0.rel \
+CFLAGS	:= -mz80 \
 			-I kernel/include -I libc/include -DDEBUG
 
-LDFLAGS := --code-loc 0x0800 --data-loc 0x8000
+LDFLAGS := -mz80 --no-std-crt0 crt0.rel \
+			--code-loc 0x0800 --data-loc 0x8000
 
+.PHONY: dirs dis clean
 all: $(BINARY)
 
 # build binary
-$(BINARY): $(CSOURCES) crt0.rel
-	mkdir -p build
-	$(CC) $(CFLAGS) $(LDFLSGS) $(CSOURCES) -o $(HEXFILE)
+$(BINARY): $(OBJECTS) dirs
+	$(CC) $(LDFLAGS) $(OBJECTS) -o $(HEXFILE)
 	xxd -r -p $(HEXFILE) $(BINARY)
 
+$(OBJECTS): build/%.rel : %.c $(CSOURCES) dirs crt0.rel
+	$(CC) $(CFLAGS) -c $< -o $@
+
 crt0.rel: crt0.s
 	sdasz80 -o $<
 
+dirs:
+	mkdir -p build build/kernel build/libc
+
 dis: $(BINARY)
 	z80dasm -a -g 0h $< -o $(OSNAME).s
 
 clean:
-	- rm build/*
+	- rm -rd build/*
 	- rm $(OSNAME).s
 	- rm crt0.rel
-- 
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