[Insight-users] error while linking

[robin gandhi]

hi everyone,
   I have build itk on my system and instead of using
cmake i am using the old fasion way of compiling
things using a make file. I have been trying to
compile the Hello world application but it comes up
with the following error:
Also the object file is created but the error occurs
when it tries to create the executable.

g++ -g -Wno-deprecated -o Hello HelloWorld.o
-L/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin
-lITKCommon -lITKAlgorithms -lITKBasicFilters -lITKFEM
-lITKIO -lITKMetaIO -lITKNumerics -litkpng
-lITKStatistics -litkzlib -lVXLNumerics
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkDynamicLoader.o):
In function `itk::DynamicLoader::OpenLibrary(char
const *)':
itkDynamicLoader.o(.text+0xf): undefined reference to
`dlopen'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkDynamicLoader.o):
In function `itk::DynamicLoader::CloseLibrary(void
*)':
itkDynamicLoader.o(.text+0x2f): undefined reference to
`dlclose'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkDynamicLoader.o):
In function `itk::DynamicLoader::GetSymbolAddress(void
*, char const *)':
itkDynamicLoader.o(.text+0x54): undefined reference to
`dlsym'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkDynamicLoader.o):
In function `itk::DynamicLoader::LastError(void)':
itkDynamicLoader.o(.text+0x83): undefined reference to
`dlerror'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkMultiThreader.o):
In function
`itk::MultiThreader::SingleMethodExecute(void)':
itkMultiThreader.o(.text+0xa77): undefined reference
to `pthread_create'
itkMultiThreader.o(.text+0xc79): undefined reference
to `pthread_join'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkMultiThreader.o):
In function
`itk::MultiThreader::MultipleMethodExecute(void)':
itkMultiThreader.o(.text+0x121b): undefined reference
to `pthread_create'
itkMultiThreader.o(.text+0x1295): undefined reference
to `pthread_join'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkMultiThreader.o):
In function `itk::MultiThreader::SpawnThread(void
*(*)(void *), void *)':
itkMultiThreader.o(.text+0x16c3): undefined reference
to `pthread_create'
/afs/uncc.edu/cs/courses/ITCS6140/rgandhi/itk/bin/libITKCommon.a(itkMultiThreader.o):
In function
`itk::MultiThreader::TerminateThread(int)':
itkMultiThreader.o(.text+0x181e): undefined reference
to `pthread_join'
collect2: ld returned 1 exit status
make: *** [Hello] Error 1


Please let me know what I am missing here.

Thanks,
--Robin.

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