Re: sparse refuses to work due to stdarg.h

[Pavel Machek]

Hi!

> > I'm probably doing something wrong, but... how do I force it to work?
> > I'm pretty sure it worked before, I'm not sure what changed in my
> > config.
> 
> kbuild was changed to reliably pick up the stdarg.h for the gcc used.
> Two issues has popped up:
> 1) sparse did not support -isystem dir
> 	- fixed a few days ago, and fix is at sparse.bkbits.net

Thanks, I installed -01-17 version.

> 2) misconfigured gcc's that report a wrong directory when using
> gcc -print-file-name=include
> The directory given must include stdarg.h - otherwise gcc config is
> broken.

That seems to be ok here:

pavel@amd:~$ gcc -print-file-name=include
/usr/lib/gcc-lib/i486-linux/3.3.5/include
pavel@amd:~$ gcc --version
gcc (GCC) 3.3.5 (Debian 1:3.3.5-5)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There
is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.

pavel@amd:~$ ls /usr/lib/gcc-lib/i486-linux/3.3.5/
SYSCALLS.c.X  cc1plus       crtbegin.o    crtbeginT.o   crtendS.o
libgcc.a      libgcc_s.so   libstdc++.so  specs
cc1           collect2      crtbeginS.o   crtend.o      include
libgcc_eh.a   libstdc++.a   libsupc++.a
pavel@amd:~$ ls /usr/lib/gcc-lib/i486-linux/3.3.5/include/st
stdarg.h   stdbool.h  stddef.h
pavel@amd:~$ ls /usr/lib/gcc-lib/i486-linux/3.3.5/include/stdarg.h
/usr/lib/gcc-lib/i486-linux/3.3.5/include/stdarg.h
pavel@amd:~$

but now I'm getting:

pavel@amd:/usr/src/linux-cvs$ make C=2
  CHK     include/linux/version.h
  CHECK   scripts/mod/empty.c
make[1]: `arch/i386/kernel/asm-offsets.s' is up to date.
  CHECK   init/main.c
/usr/lib/gcc-lib/i486-linux/3.3.5/include/asm/posix_types.h:29:35: warning: no newline at end of file
/usr/lib/gcc-lib/i486-linux/3.3.5/include/asm/posix_types.h:13:11: error: unable to open 'features.h'
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2
pavel@amd:/usr/src/linux-cvs$

Any ideas?
								Pavel

-- 
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