Re: [Vxl-users] brl build error on Linux x86_64

[Brendan M. <bre...@gm...>]

Hi Yule,

I think you need to explicitly set -fPIC in both the CMAKE_CXX_FLAGS
and CMAKE_C_FLAGS. If you're using ccmake to configure everything,
then you'll need to toggle the advanced mode first to see those
options (just press 't').

2009/9/21 YuLeonard <yu...@li...>:
> Hi, all
>
> I am building VXL (version 1.11 through 1.13) on a CentOS 5.2 x86_64 machine
> (kernel 2.6.18, gcc 4.1.2) and build fails inside brl module for all
> versions. (Please see error messages at the end of this email). It seems
> that brl use dynmaic library (-fPIC is required for compilation) whereas I
> choose to build static libraries in cmake. Interestingly, building vxl on a
> CentOS 5.2 i386 machine with the same configuration is successful. Would brl
> developers kindly check this issue? Thanks.
> Leonard
> 2009-9-21
> Here are the error messages:
> vxl-1.11.0:
> [ 96%] Building CXX object
> contrib/brl/bseg/bvxm_batch/CMakeFiles/bvxm_batch.dir/reg_bvxm.o
> Linking CXX shared library ../../../../lib/libbvxm_batch.pyd
> /usr/bin/ld: ../../../../lib/libbprb.a(bprb_batch_process_manager.o):
> relocation R_X86_64_32 against `a local symbol' can not be used when making
> a shared object; recompile with -fPIC
> ../../../../lib/libbprb.a: could not read symbols: Bad value
> collect2: ld returned 1 exit status
> make[2]: *** [lib/libbvxm_batch.pyd] Error 1
> make[1]: *** [contrib/brl/bseg/bvxm_batch/CMakeFiles/bvxm_batch.dir/all]
> Error 2
> make: *** [all] Error 2
>
> vxl-1.12.0
> :
> [ 95%] Built target brec_pro
> Scanning dependencies of target bvxm_batch
> [ 95%] Building CXX object
> contrib/brl/bseg/bvxm_batch/CMakeFiles/bvxm_batch.dir/reg_bvxm.o
> Linking CXX shared library ../../../../lib/bvxm_batch.so
> /usr/bin/ld:
> ../../../../lib/libbprb.a(bprb_process_manager+bprb_batch_process_manager-.o):
> relocation R_X86_64_32 against `a local symbol' can not be used when making
> a shared object; recompile with -fPIC
> ../../../../lib/libbprb.a: could not read symbols: Bad value
> collect2: ld returned 1 exit status
> make[2]: *** [lib/bvxm_batch.so] Error 1
> make[1]: *** [contrib/brl/bseg/bvxm_batch/CMakeFiles/bvxm_batch.dir/all]
> Error 2
> make: *** [all] Error 2
>
> vxl-1.13.0
> :
> Linking CXX shared module ../../../../lib/bbgm_batch.so
> /usr/bin/ld: ../../../../lib/libbpro_batch.a(bpro_batch.o): relocation
> R_X86_64_32 against `_Py_NoneStruct' can not be used when making a shared
> object; recompile with -fPIC
> ../../../../lib/libbpro_batch.a: could not read symbols: Bad value
> collect2: ld returned 1 exit status
> make[2]: *** [lib/bbgm_batch.so] Error 1
> make[1]: *** [contrib/brl/bseg/bbgm_batch/CMakeFiles/bbgm_batch.dir/all]
> Error 2
> make: *** [all] Error 2
>
>
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-- 
Cheers,

Brendan