mkfile

这是一个同样来自贝尔实验室的和UNIX有着渊源的操作系统, 其简洁的设计和实现易于我们学习和理解

</$objtype/mkfile

TARG=jpg\
	gif\
	togif\
	ppm\
	toppm\
	png\
	topng\
	yuv\
	ico\
	toico\
	bmp\

IMFILES=\
	torgbv.$O\
	totruecolor.$O\
	writerawimage.$O\

HFILES=imagefile.h\

LIB=

BIN=/$objtype/bin
UPDATE=\
	mkfile\
	$HFILES\
	${IMFILES:%.$O=%.c}\
	readjpg.c\
	readgif.c\
	writegif.c\
	onechan.c\
	readppm.c\
	multichan.c\
	readpng.c\
	writepng.c\
	rgbycc.c\
	rgbrgbv.c\
	${TARG:%=%.c}\

</sys/src/cmd/mkmany
c=`{sed -n 's/^O=//p' /$cputype/mkfile}

$O.jpg:		$IMFILES readjpg.$O jpg.$O
$O.gif:		$IMFILES readgif.$O gif.$O
$O.togif:	writegif.$O onechan.$O togif.$O torgbv.$O
$O.ppm:		$IMFILES readppm.$O ppm.$O
$O.toppm:	writeppm.$O multichan.$O toppm.$O
$O.png:		$IMFILES readpng.$O png.$O
$O.topng:	writepng.$O topng.$O
$O.yuv:		$IMFILES readyuv.$O yuv.$O
$O.bmp:		$IMFILES readbmp.$O bmp.$O

torgbv.$O:	ycbcr.h rgbv.h

ycbcr.h:	rgbycc.c
	$c^c rgbycc.c
	$c^l -o $c.rgbycc rgbycc.$c
	$c.rgbycc > ycbcr.h

rgbv.h:	rgbrgbv.c
	$c^c rgbrgbv.c
	$c^l -o $c.rgbrgbv rgbrgbv.$c
	$c.rgbrgbv > rgbv.h

nuke:V:	nuke-headers

nuke-headers:V:
	rm -f rgbv.h ycbcr.h