ppp 2.2.0c kernel compile problems

ppp 2.2.0c kernel compile problems

Post by Thomas.H.. » Tue, 05 Dec 1995 04:00:00



I am trying to compile the Linux kernel 1.2.13 with the ppp-2.2.0c driver.
I get the following error message when linking:

ld -m elf_i386 -Ttext 0x100000 -e startup_32  arch/i386/kernel/head.o init/main.o init/version.o \
        arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o mm/mm.o fs/fs.o net/net.o ipc/ipc.o \
        fs/filesystems.a \
        drivers/block/block.a drivers/char/char.a drivers/net/net.a \
        /usr/src/linuxelf-1.2.13/lib/lib.a -o vmlinux
ppp.o(.text+0x6a1): undefined reference to `mod_use_count_'
ppp.o(.text+0x7fb): undefined reference to `mod_use_count_'

I have followed the instructions in README.linux as closely as possible.

When configuring the kernel I chose *NOT* to include module version numbers
and I chose to include the PPP driver. My general set-up is:

Kernel 1.2.13 (both the running kernel and the one I'm trying to compile)
gcc 2.7.0  and libc.so.5.0.9

Everything I have came out of the Slackware 3.0 box.

Now, according to the file linux/Changes, this error should only occur when
using the a.out format, but I thought my new Slackware 3.0 was supposed to
be ELF! Anyway, the error comes from the linux/module.h header file. This has
mod_use_count_ defined as extern, but it is not defined in any other
header file. I am unable to use the patch included in linux/Changes. The
patch looks like this:

--- module.h.orig       Thu Oct 19 05:32:32 1995

  * define the count variable, and usage macros.
  */

-extern long mod_use_count_;
 #if defined(CONFIG_MODVERSIONS) && defined(MODULE) && !defined(__GENKSYMS__)
 int Using_Versions; /* gcc will handle this global (used as a flag) correctly *
/
 #endif

 #ifdef MODULE               <--------- This is not in my module.h
+extern long mod_use_count_;
 #define MOD_INC_USE_COUNT      mod_use_count_++
 #define MOD_DEC_USE_COUNT      mod_use_count_--
 #define MOD_IN_USE            (mod_use_count_ != 0)

but "my" linux/module.h file does not contain the #ifdef MODULE line.
Furthermore, ppp.c seems to need the last definitions, whether or not it
is compiled as a module (i.e. with -DMODULE).

Would anyone be able to explain this to me (in simple terms, please 8*))?

Thomas

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1. Problem Compiling ppp 2.2.0c on Kernel 1.2.13

Hello Networ Guru's

I am running Kernel version 1.2.13 and kernel code (slackware) had option for
ppp 2.1b. It was compiling OK. Then I got ppp-2.2.0c. I followed the installation
process and when I was compiling the Kernel, the new patch of ppp.c is giving me
error messages.
Warning in ppp_first_time: Assignement from incompatible pointer type
Error in ppp_init: Initiliazer element for 'ppp_syms.symbol.name' and
                   'ppp_syms.name' are not constanst.

When I compile the kernel without ppp support it works out fine. Could you please
help me what to do? I would approciate if you could e-mail me.

Thanks in advance,

Murat Erenturk

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