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Old 09-11-2005, 10:26 PM   #1
Registered: Feb 2002
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Wrong GCC version during compile?

Hi, I am trying to install submount on my Debian Sid machine. However even though it compiles cleanly and installs OK I can't insert the module.

Here is the dmesg output I get:

subfs: version magic '2.6.11-kanotix-10 preempt K7 gcc-4.0' should be '2.6.11-kanotix-10 preempt K7 gcc-3.3'
This doesn't look like a huge problem, as I have both GCC 4.0 and 3.3 installed.

The question is though, how can I select a compiler during configure and/or make that this software will be happy with?


Last edited by raid517; 09-11-2005 at 10:28 PM.
Old 09-11-2005, 10:40 PM   #2
Registered: Apr 2005
Distribution: LFS 5.0 and 6.1
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 make CC=/opt/gcc-2.95.3/bin/gcc
  make CC=/opt/gcc-2.95.3/bin/gcc install
Old 09-11-2005, 11:37 PM   #3
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Registered: Nov 2004
Location: San Jose, CA
Distribution: Ubuntu
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Yeah, you need to make sure kernel modules are compiled with the same version of gcc as the kernel itself. The examples above allow you to do this.
Old 09-14-2005, 09:39 AM   #4
Registered: Feb 2002
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Thanks guys, but I still don't quite get it.

I tried doing:

make CC=/opt/gcc-3.3/bin/gcc - as I think this is the version of GCC that the subfs module expects and is asking for (or at least it mentions GCC 3.3 above) - but it just spits out an error saying:

/submount-0.9/subfs-0.9# make CC=/opt/gcc-3.3/bin/gcc
make -C /lib/modules/2.6.11-kanotix-10/build SUBDIRS=/Downloads2/submount-0.9/submount-0.9/subfs-0.9 modules
make[1]: /opt/gcc-3.3/bin/gcc: Command not found
make[1]: Entering directory `/usr/src/linux-2.6.11-kanotix-10'
/usr/src/linux-2.6.11-kanotix-10/scripts/ line 11: /opt/gcc-3.3/bin/gcc: No such file or directory
/usr/src/linux-2.6.11-kanotix-10/scripts/ line 12: /opt/gcc-3.3/bin/gcc: No such file or directory
make[1]: /opt/gcc-3.3/bin/gcc: Command not found
make[1]: /opt/gcc-3.3/bin/gcc: Command not found
  CC [M]  /Downloads2/submount-0.9/submount-0.9/subfs-0.9/subfs.o
/bin/sh: /opt/gcc-3.3/bin/gcc: No such file or directory
make[2]: *** [/Downloads2/submount-0.9/submount-0.9/subfs-0.9/subfs.o] Error 1
make[1]: *** [_module_/Downloads2/submount-0.9/submount-0.9/subfs-0.9] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.11-kanotix-10'
make: *** [default] Error 2
I definately do have GCC 3.3 installed - and am using Debian Sid.

Where am I going wrong?

Old 09-14-2005, 09:46 AM   #5
Registered: Feb 2002
Posts: 393

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Bingo! I worked it out. It was just the wrong path to the GCC version I used to compile the kernel.

Thanks guys!



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