[Pkg-octave-devel] Bug#541444: Bug#541444: octave3.2-headers: can't be installed, two strong dependency on gcc/g++/gfortran

[Aurelien Jarno]

Thomas Weber a écrit :
> Hi Aurelien,
> 
> On Fri, Aug 14, 2009 at 11:03:27AM +0200, Aurelien Jarno wrote:
>> Package: octave3.2-headers
>> Version: 3.2.0-2
>> Severity: grave
>> Justification: renders package unusable
>>
>> # apt-get install octave3.2-headers
>> Reading package lists... Done
>> Building dependency tree
>> Reading state information... Done
>> Some packages could not be installed. This may mean that you have
>> requested an impossible situation or if you are using the unstable
>> distribution that some required packages have not yet been created
>> or been moved out of Incoming.
>> The following information may help to resolve the situation:
>>
>> The following packages have unmet dependencies:
>>   octave3.2-headers: Depends: gcc-4.3 (< 4.3.4) but 4.3.4-1 is to be installed
>>                      Depends: g++-4.3 (< 4.3.4) but 4.3.4-1 is to be installed
>>                      Depends: gfortran-4.3 (< 4.3.4) but 4.3.4-1 is to be installed
> 
> 
> hmm, maybe I can abuse your knowledge with compilers for this one :)
> 
> The reason for tying the compiler versions so strict is that Octave adds
> the FLIBS (Fortran) found at configure time into one of its scripts for
> later use (building plugins, either in Debian or on the enduser's
> machine). 
> 
> FLIBS looks like this:
>   -L/usr/lib/gcc/x86_64-linux-gnu/4.3.2
>   -L/usr/lib/gcc/x86_64-linux-gnu/4.3.2/../../../../lib -L/lib/../lib
>   -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.3.2/../../.. -lhdf5
>   -lz -lgfortranbegin -lgfortran -lm
> 
> Do you know if it's possible to get rid of the version specific compiler
> paths here? The macro is the default AC_F77_LIBRARY_LDFLAGS.
> 

On debian (at least), you can get rid of the subminor version (ie using
4.3 instead of 4.3.2), as the gcc packages are providing the symlinks
for that. It should probably be possible to use a regular expression to
remove the subminor version from this path.

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien at aurel32.net                 http://www.aurel32.net