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| author | nlaredo <nlaredo@ca484b36-2546-0410-af21-7957cbf944c2> | 2010-04-22 00:03:40 +0000 |
|---|---|---|
| committer | nlaredo <nlaredo@ca484b36-2546-0410-af21-7957cbf944c2> | 2010-04-22 00:03:40 +0000 |
| commit | 23d474943dcd55d0550a3d20b3d30e9040a4f15b (patch) | |
| tree | a85446adb0e07ccd5211619a6f215bcfc3c5ab29 /Makefile | |
| parent | 8eb5346034c7dbd15694d59d7e1db2eec8a689f9 (diff) | |
| download | sgabios-23d474943dcd55d0550a3d20b3d30e9040a4f15b.zip sgabios-23d474943dcd55d0550a3d20b3d30e9040a4f15b.tar.gz sgabios-23d474943dcd55d0550a3d20b3d30e9040a4f15b.tar.bz2 | |
new review:
owner: nil@google.com
summary: build cleanup including proper checksum and image padding
git-svn-id: http://sgabios.googlecode.com/svn/trunk@8 ca484b36-2546-0410-af21-7957cbf944c2
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 69 |
1 files changed, 56 insertions, 13 deletions
@@ -1,4 +1,4 @@ -# Copyright 2007 Google Inc. +# Copyright 2010 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -14,22 +14,65 @@ # # $Id$ -CFLAGS = -Wall -O2 -s +BUILD_DATE = \"$(shell date -u)\" +BUILD_SHORT_DATE = \"$(shell date -u +%D)\" +BUILD_HOST = \"$(shell hostname)\" +BUILD_USER = \"$(shell whoami)\" -.SUFFIXES: .bin +CFLAGS := -Wall -Os -m32 -nostdlib -all: sgabios.bin +ASFLAGS := $(CFLAGS) +ASFLAGS += -DBUILD_DATE="$(BUILD_DATE)" +ASFLAGS += -DBUILD_SHORT_DATE="$(BUILD_SHORT_DATE)" +ASFLAGS += -DBUILD_HOST="$(BUILD_HOST)" +ASFLAGS += -DBUILD_USER="$(BUILD_USER)" -sgabios.bin: sgabios.S version.h +LDSCRIPT := rom16.ld +LDFLAGS := -T $(LDSCRIPT) -nostdlib +OBJCOPY := objcopy -version.h: Makefile sgabios.S - @echo '#define BIOS_BUILD_DATE "'`date -u +%D`'"' >version.h - @echo '#define BIOS_FULL_DATE "'`date -u`'"' >>version.h - @echo '#define BIOS_BUILD_HOST "'`echo $$LOGNAME@$$HOSTNAME`'"' >>version.h +ASRCS = sgabios.S -.S.bin: - $(CC) -c $(CFLAGS) $*.S -o $*.o - $(LD) -Ttext 0x0 -s --oformat binary $*.o -o $*.bin +CSRCS = +SRCS = $(CSRCS) $(ASRCS) + +OBJS = ${CSRCS:.c=.o} ${ASRCS:.S=.o} +INCS = ${CSRCS:.c=.h} ${ASRCS:.S=.h} + +PROGS = sgabios.bin csum8 + +.SUFFIXES: .bin .elf +.PHONY: buildinfo + +all: $(PROGS) + +sgabios.bin: sgabios.elf + $(OBJCOPY) -O binary $< $@ + ./csum8 $@ + +sgabios.elf: .depend $(OBJS) $(LDSCRIPT) csum8 + $(LD) $(LDFLAGS) $(OBJS) -o $@ + +csum8: csum8.c + $(CC) -Wall -O2 -o $@ $< + +sgabios.o: buildinfo + + +buildinfo: + touch sgabios.S clean: - $(RM) *.s *.o *.bin *.srec *.com version.h + $(RM) $(PROGS) $(OBJS) *.elf *.srec *.com version.h + +.depend:: $(INCS) $(SRCS) Makefile + $(RM) .depend + $(CPP) -M $(CFLAGS) $(SRCS) >.tmpdepend && mv .tmpdepend .depend + +ifeq (.depend, $(wildcard .depend)) +include .depend +else +# if no .depend file existed, add a make clean to the end of building .depend +.depend:: + $(MAKE) clean +endif |