Re: Re: make test failed
edward mzj <[email protected]>
| Newsgroups | gmane.linux.enbd.general |
|---|---|
| Message-ID | <[email protected]> |
Hi, Peter --- "Peter T. Breuer" <[email protected]> wrote: > "Also sprach Peter T. Breuer:" > > Script started on Sat Mar 26 19:27:50 2005 > > /usr/oboe/ptb/lang/c/nbd/nbd-2.4.32% sudo make LINUXDIR=/usr/local/src/linux-2.6.8.1-uml > > ... > > make[1]: Entering directory `/usr/local/src/linux-2.6.8.1-uml' > > *** Warning: Overriding SUBDIRS on the command line can cause > > *** inconsistencies > > mkdir -p /tmp/linux-2.6.x/.tmp_versions > > make -f /usr/local/src/linux-2.6.8.1-uml/scripts/Makefile.build obj=arch/i386/ke > > rnel arch/i386/kernel/asm-offsets.s > > > I should have showed what the make command that the Makefile ran was (in > and among the ellipsis ...). It was: > > > VPATH="/home/oboe/ptb/lang/c/nbd/nbd-2.4.32/kernel/linux-2.6.x"; \ > cp -a "$VPATH" "/tmp/linux-2.6.x" && \ > cd "/tmp/linux-2.6.x/drivers/block"; \ > make -C "/usr/local/src/linux-2.6.8.1-uml" \ > -f "$VPATH/Makefile" \ > SUBDIRS="/tmp/linux-2.6.x/drivers/block/enbd" \ > KBUILD_VERBOSE=1 \ > CONFIG_BLK_DEV_ENBD=m \ > CONFIG_BLK_DEV_ENBD_IOCTL=m \ > CFLAGS_KERNEL=-I"$VPATH/include" \ > CFLAGS_MODULE=-I"$VPATH/include" \ > MODVERDIR="/tmp/linux-2.6.x/.tmp_versions" \ > VERSION="2" \ > PATCHLEVEL="6" \ > SUBLEVEL="8" \ > EXTRAVERSION=".1-SMP" \ > modules > > which generates the .ko files in /tmp. > after a few test, i finally can say it's exactly this part of Makefile makes gcc to generate the erroneous obj file and consequently the incorrect enbd*.ko which has pissed me off during the past a few days. especially, the blame goes to the "CFLAGS_MODULE". in the kernel Makefile, the value of "CFLAGS_MODULE" is same as "MODFLAG" which is defined as "-DMODULE" and should be passed to gcc when compiling modules. but your assignment here override the default value of "CFLAGS_MODULE". so when gcc compiles the source files, the "-DMODULE" flag is missing, and the conditional compilations need the "MODULE" macro are ignored or mis-understood and that's why i got those faulty modules in the last a few days. i think you might consider to use 'CFLAGS+=-I"$VPATH/include"', instead of 'CFLAGS_MODULE'. i've verified. it works. _________________________________________________________ Do You Yahoo!? 150万曲MP3疯狂搜，带您闯入音乐殿堂 http://cn.rd.yahoo.com/mail_cn/tag/yisou/music/*http://music.yisou.com/ 美女明星应有尽有，搜遍美图、艳图和酷图 http://cn.rd.yahoo.com/mail_cn/tag/yisou/image/*http://image.yisou.com 1G就是1000兆，雅虎电邮自助扩容！ http://cn.rd.yahoo.com/mail_cn/tag/1g/*http://cn.mail.yahoo.com/event/mail_1g/