[Gdal-dev] linking problems with MrSID library

[William Kyngesburye]

I've been having problems getting the MrSID dsdk to link to GDAL  
since switching to CVS, and 1.3.x, from 1.2.6 recently.

I'm using the latest MrSID 5.0.6.955.  With the new GDAL 1.3.1a2, I  
get these link errors (compiling completes fine):

ld: Undefined symbols:
__ZNSt24__default_alloc_templateILb1ELi0EE10deallocateEPvm
__ZNSt24__default_alloc_templateILb1ELi0EE8allocateEm
__ZNSs20_S_empty_rep_storageE
__ZNSaIcE8allocateEmPKv
__ZNSaIcED4Ev
__ZNSsD4Ev
/usr/bin/libtool: internal link edit command failed

With GDAL 1.3.0 and CVS before that, there were a LOT more undefined  
symbols.  I'm using GCC 4 on Mac OS X 10.4, but I've had the same in  
the past using GCC 3.3 on Mac OS X 10.3.8 (haven't had a chance to  
test 1.3.1a2 yet on 10.3), so I don't think it's a libstdc++ version  
issue, yet.

Are those supposed to be in the mrsid library, or some other  
library?  I noticed that libxmlparse (yet another XML library!) was  
added to the mrsid link options - I don't have that and I can't get  
it to build on OS X (it's quite old).  So I removed it from the mrsid  
link options, since I didn't see anything in the GDAL docs or MrSID  
docs that it needs xmlparse.  If GDAL and/or MrSID needs it, it  
should be mentioned in the build requirements.

-----
William Kyngesburye <kyngchaos at kyngchaos.com>
http://www.kyngchaos.com/

"Those people who most want to rule people are, ipso-facto, those  
least suited to do it."

- A rule of the universe, from the HitchHiker's Guide to the Galaxy