Re: [Xournal-devel] compilation error (patch included)

[Andreas K. H. <ma...@ak...>]

Am Samstag 30 Juni 2012, 00:54:32 schrieb D M German:
> Hi Denis,
> 
> In ubuntu (lastest) i had a compilation error in paint.c:
> 
> /usr/bin/ld: xo-paint.o: undefined reference to symbol 'hypot@@GLIBC_2.0'
> /usr/bin/ld: note: 'hypot@@GLIBC_2.0' is defined in DSO
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../i386-linux-gnu/libm.so so try
> adding it to the linker command line
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../i386-linux-gnu/libm.so: could not
> read symbols: Invalid operation
> 
> this requires to add -lm to the linking stage. See trivial patch below
> (to file src/Makefile.am):

I can confirm the bug, and also that the fix is correct :)

This is caused by the --no-copy-dt-needed-entries (or in earlier binutils 
versions --no-add-needed) linker option, which disables "automatic transitive 
linking"... Many distros now use this by default.

Cheers, the physicist :D

-- 
Dr. Andreas K. Huettel
Institute for Experimental and Applied Physics
University of Regensburg
D-93040 Regensburg
Germany

tel. +49 151 241 67748 (mobile)
e-mail ma...@ak...
http://www.akhuettel.de/research/