Re: kernel buildsystem error/warning?

[Kumar Gala <kumar.gala@freescale.com>]

On Sep 22, 2005, at 11:49 PM, Randy.Dunlap wrote:

> On Thu, 22 Sep 2005 08:45:35 -0500 Kumar Gala wrote:
>
>
> > Sam,
> >
> > I was wondering if anyone else is seeing the following error/warning
> > when building a recent kernel.  This error seems to have been
> > introduced between 2.6.13 and 2.6.14-rc1:
> >
> >    CHK     include/linux/version.h
> >    CHK     include/linux/compile.h
> >    CHK     usr/initramfs_list
> > /bin/sh: line 1: +@: command not found
> >    CHK     include/linux/compile.h
> >    UPD     include/linux/compile.h
> >    CC      init/version.o
> >    LD      init/built-in.o
> >    LD      vmlinux
> >    SYSMAP  System.map
> >
> >
> > I'm building a cross compiled ARCH ppc kernel on an x86 host.  I
> > tried using git bisect to track down the error but for some reason it
>
>
> > ended up referencing a change before 2.6.13 which I really dont
> > understand.
> >
> > Anyways, let me know if you need more info on this.
>
> I don't see the error message.  Do you have anything (added) to
> usr/initramfs_list ?  (of course, the error messsage doesn't have
> to be coming from that file at all)

Nope. Hmm, after a little more debug it appears to be an issue with  
"if_changed_rule" in scripts/Kbuild.include. If I remove the '@' in  
front of the "set -e" I get the following:

  CHK     include/linux/version.h
  CHK     include/linux/compile.h
  CHK     usr/initramfs_list
set -e;         +@ echo '  GEN     .version' && set -e; if [ ! - 
r .version ]; then rm -f .version; echo 1 >.version; else  
mv .version .old_version; expr 0$(cat .old_version) + 1 >.version;  
fi; make -f scripts/Makefile.build obj=init
/bin/sh: line 1: +@: command not found
  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
set -e;           echo '  CC      init/version.o'; powerpc-unknown- 
linux-gnu-gcc -m32 -Wp,-MD,init/.version.o.d  -nostdinc -isystem / 
_TOOLS_/dist/gnu-gcc-3.4.3-binutils-2.15-powerpc-unknown-linux-gnu/ 
i686-pc-linux2.4/lib/gcc/powerpc-unknown-linux-gnu/3.4.3/include - 
D__KERNEL__ -Iinclude  -Iarch/ppc -Iarch/ppc/include -Wall -Wundef - 
Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common - 
ffreestanding -O2     -fomit-frame-pointer -Iarch/ppc -msoft-float - 
pipe -ffixed-r2 -mmultiple -Wa,-me500 -Wdeclaration-after- 
statement     -DKBUILD_BASENAME=version -DKBUILD_MODNAME=version -c - 
o init/version.o init/version.c;  scripts/basic/fixdep  
init/.version.o.d init/version.o 'powerpc-unknown-linux-gnu-gcc -m32 - 
Wp,-MD,init/.version.o.d  -nostdinc -isystem /_TOOLS_/dist/gnu- 
gcc-3.4.3-binutils-2.15-powerpc-unknown-linux-gnu/i686-pc-linux2.4/ 
lib/gcc/powerpc-unknown-linux-gnu/3.4.3/include -D__KERNEL__ - 
Iinclude  -Iarch/ppc -Iarch/ppc/include -Wall -Wundef -Wstrict- 
prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common - 
ffreestanding -O2     -fomit-frame-pointer -Iarch/ppc -msoft-float - 
pipe -ffixed-r2 -mmultiple -Wa,-me500 -Wdeclaration-after- 
statement     -DKBUILD_BASENAME=version -DKBUILD_MODNAME=version -c - 
o init/version.o init/version.c' > init/.version.o.tmp; rm -f  
init/.version.o.d; mv -f init/.version.o.tmp init/.version.o.cmd
  CC      init/version.o
  LD      init/built-in.o
  LD      vmlinux
  SYSMAP  System.map

I'm guessing the +@ echo... is what's getting me, not to figure out  
why that's happening.

- kumar

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