[vtk-developers] libvtkproj4 problems with gcc on Mac

[Bill Lorensen]

It was OFF, but turning it on does not help.I think it is an issue
with my old gcc compiler.

I'd still like to build VTK with it.


On Fri, Feb 19, 2016 at 1:44 PM, David Gobbi <david.gobbi at gmail.com> wrote:
> Hi Bill,
>
> You can check to see if PROJ_USE_PTHREADS:BOOL=ON in your cache.
> I did a quick look through lib_proj.cmake and FindThreads.cmake and didn't
> see anything suspicious. No machines that I access have llvm-gcc anymore.
>
>  - David
>
>
> On Fri, Feb 19, 2016 at 10:08 AM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>>
>> Folks,
>>
>> I tried to build VTK on my Mac today with
>> i686-apple-darwin11-llvm-g++-4.2 (GCC) 4.2.1 (Based on Apple Inc.
>> build 5658) (LLVM build 2336.1.00)
>>
>> My clang build is fine.
>>
>> I get these link errors:
>> Linking C shared library ../../../../lib/libvtkproj4-7.1.dylib
>> Undefined symbols for architecture x86_64:
>>   "_vtk_pj_acquire_lock", referenced from:
>>       _vtk_pj_get_default_ctx in pj_ctx.c.o
>>       _vtk_pj_ctx_alloc in pj_ctx.c.o
>>       _vtk_pj_gc_findcatalog in pj_gridcatalog.c.o
>>       _vtk_pj_gridinfo_load in pj_gridinfo.c.o
>>       _vtk_pj_gridlist_from_nadgrids in pj_gridlist.c.o
>>       ...
>>   "_vtk_pj_release_lock", referenced from:
>>       _vtk_pj_get_default_ctx in pj_ctx.c.o
>>       _vtk_pj_ctx_alloc in pj_ctx.c.o
>>       _vtk_pj_gc_findcatalog in pj_gridcatalog.c.o
>>       _vtk_pj_gridinfo_load in pj_gridinfo.c.o
>>       _vtk_pj_gridlist_from_nadgrids in pj_gridlist.c.o
>>       _vtk_pj_insert_initcache in pj_initcache.c.o
>>       _vtk_pj_clear_initcache in pj_initcache.c.o
>>       ...
>> ld: symbol(s) not found for architecture x86_64
>> collect2: ld returned 1 exit status
>> make[2]: *** [lib/libvtkproj4-7.1.1.dylib] Error 1



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