Re: kernel buildsystem error/warning?

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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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