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I have the following error when trying to run make command,

/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../libcppunit.a when searching for -lcppunit
/usr/bin/ld: skipping incompatible /usr/lib/libcppunit.a when searching for -lcppunit
/usr/bin/ld: cannot find -lcppunit
collect2: error: ld returned 1 exit status
make[1]: *** [cppunit] Error 1

I have installed libcppunit-dev but the problem persists.

I have looked for solutions but no results.

Any idea how to solve it?

1) I am using Ubuntu 12.10 64bits

2) I am running gcc 4.7.2

3) I am trying to compile a program made for a research group. I am sure that it is properly built.

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What's the output of ls /usr/lib | grep lcppunit? –  Louis Matthijssen Apr 24 at 7:13
    
None, returns nothing... :/ However sudo apt-get install libcppunit-dev output is: libcppunit-dev is already the newest version. –  john518 Apr 24 at 7:15
    
have you tried reinstalling libcppunit ? Try sudo apt-get install --reinstall libcppunit-dev –  Ploutox Apr 24 at 7:36
    
Yes, I just re-install libcppunit, but the problem persists. –  john518 Apr 24 at 7:44
2  
Please edit your question and tell us 1) What version of Ubuntu you are using and whether it is 32 or 64bit; 2) What version of gcc you are running and 3) What you are trying to compile. –  terdon Apr 24 at 11:23

1 Answer 1

up vote 0 down vote accepted

Solution found by OP on question:

Problem solved. The problem was that the Makefile was ready to compile in a 32 bits machines but my computer is 64 bits. So removing "-m32" in Makefile was enough.

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