Re: [Plplot-general] cmake & disable fortran

[Arjen M. <arj...@wl...>]

Alan W. Irwin wrote:

>On 2007-05-31 17:32+0900 Valery Pipin wrote:
>
>  
>
>>BTW, I have others warnings like
>>Verifying ELF objects in /home/vv/tmp/plplot-buildroot
>>(arch=normal,fhs=normal,rpath=normal,stack=normal,textrel=relaxed,unresolved=relaxed)
>>verify-elf: WARNING: ./usr/lib/libcsirocsa.so.0.0.1: undefined symbol: sqrt
>>verify-elf: WARNING: ./usr/lib/libcsirocsa.so.0.0.1: undefined symbol: floor
>>verify-elf: WARNING: ./usr/lib/libcsirocsa.so.0.0.1: undefined symbol: ceil
>>verify-elf: WARNING: ./usr/lib/libcsirocsa.so.0.0.1: undefined symbol: hypot
>>
>>Does it mean that libcsirocsa is compiled without -lm ?
>>    
>>
>
>Thanks for pointing out this build bug which I have just verified for myself
>using 'ldd -r libcsirocsa.so'.
>
>Now fixed in svn (revision 7698).
>
>  
>
To answer your original question: C libraries that use the math 
functions require the math library (-lm)
to be explicitly specified when linking. At least that is the 
traditional way on UNIX and Linux (no idea
why this should be so, but it is).

Regards,

Arjen