[Pvfs2-users] building kmod on linux-2.6.22

[Murali Vilayannur]

Hmm.. This might be a fallout of some new linux kernel API changes..
I will get to that sometime this weekend unless you want to send a
patch fixing the build error  :)
thanks,
Murali

On 8/10/07, ryuta <suzu0037 at aem.umn.edu> wrote:
>
>  I've managed to force gcc to include the path. I've gotten another error:
>
>  CC [M]  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.o
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:266: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:269: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:272: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:276: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:282: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:285: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:288: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:292: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:299: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:301: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:307: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:307: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:311: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:311: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:315: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:318: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:321: warning:
> initialization from incompatible pointer type
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c: In function
> 'pvfs2_proc_initialize':
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.c:340: error: too
> many arguments to function 'register_sysctl_table'
>  make[3]: *** [/usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-proc.o]
> Error 1
>  make[2]: *** [_module_/usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6] Error
> 2
>  make[1]: *** [default] Error 2
>  make: *** [just_kmod] Error 2
>
>  I also attached configure kernel check. It produces some error though I
> have no idea if those errors are fatal or not.
>
>
>  Murali Vilayannur wrote:
>  Hi Ryuta,
> hmm.. that is weird. It is probably because gcc does not pick up
> stdarg.h from its location.
> Do you want to try and force gcc to include its default path which may
> be omitted while building the kmods for some reason (perhaps due to
> -nostdinc or -isystem?)
> export CFLAGS=/usr/lib/gcc/i686-pc-linux-gnu/4.2.1/include
> and then redoing the configure and make kmod?
> I don't know..
> thanks,
> Murali
>
> On 8/10/07, ryuta <suzu0037 at aem.umn.edu> wrote:
>
>
>  Hi,
>
>  I've successfully built and installed pvfs-2.3.6 on Arch Linux with kernel
> linux-2.6.22-ARCH, however, I encountered a problem building kernel
> interface.
>
>  My configure option is
>
>  ./configure --enable-shared --with-kernel=/usr/src/linux-2.6.22-ARCH
>
>  If you see the attached config.log you can find most of kernel-related
> checking complains on the failure of including one header file "stdarg.h".
>
>  Nonetheless, the PVFS2 Configuration Information displays 2.6.x kernel
> module as configured, and sure enough, "make kmod" simply fails due to
> compilation error as gcc cannot find "stdarg.h"
>
>  [root at oroppas pvfs-2.6.3]# make kmod
>  CC [M] /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.o
>  In file included from ./include/linux/moduleparam.h:6,
>  from
> /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-kernel.h:45,
>  from
> /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c:7:
>  ./include/linux/kernel.h:10:20: error: stdarg.h: No such file or directory
>  In file included from ./include/linux/moduleparam.h:6,
>  from
> /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-kernel.h:45,
>  from
> /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c:7:
>  ./include/linux/kernel.h:123: error: expected declaration specifiers or
> '...' before 'va_list'
>  ./include/linux/kernel.h:127: error: expected declaration specifiers or
> '...' before 'va_list'
>  ./include/linux/kernel.h:131: error: expected declaration specifiers or
> '...' before 'va_list'
>  ./include/linux/kernel.h:135: error: expected declaration specifiers or
> '...' before 'va_list'
>  ./include/linux/kernel.h:139: error: expected declaration specifiers or
> '...' before 'va_list'
>  ./include/linux/kernel.h:155: error: expected declaration specifiers or
> '...' before 'va_list'
>  In file included from
> /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c:7:
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-kernel.h:1267: error:
> conflicting types for 'kzalloc'
>  ./include/linux/slab_def.h:55: error: previous definition of 'kzalloc' was
> here
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c: In function
> 'pvfs2_inode_removexattr':
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c:1007: error:
> 'XATTR_REPLACE' undeclared (first use in this function)
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c:1007: error:
> (Each undeclared identifier is reported only once
>  /usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.c:1007: error:
> for each function it appears in.)
>  make[3]: *** [/usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6/pvfs2-utils.o]
> Error 1
>  make[2]: *** [_module_/usr/local/src/pvfs-2.6.3/src/kernel/linux-2.6] Error
> 2
>  make[1]: *** [default] Error 2
>  make: *** [just_kmod] Error 2
>
>
>
>  On my installation, there are several "stdarg.h" just like most
> installation
>
>  /usr/include/c++/4.2.1/tr1/stdarg.h
>  /usr/lib/gcc/i686-pc-linux-gnu/4.2.1/include/stdarg.h
>
> /usr/lib/gcc/i686-pc-linux-gnu/4.2.1/install-tools/include/stdarg.h
>  /usr/lib/klibc/include/stdarg.h
>
>  and gcc by default includes the path
>
>  /usr/lib/gcc/i686-pc-linux-gnu/4.2.1/include
>
>  as most gcc does on typical configuration.
>
>  I'm not quite sure if this issue caused by Arch Linux, GCC, or PVFS.
>
>  Any help will be greatly appreciated.
>
>  Thank you,
>  Ryuta
>
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