Issue 166 in ocropus: Needs additional link libraries (-lgsl -lgslcblas) to build ocropus binary under Ubuntu Intrepid (8.10)

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Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 166 by rmcleay: Needs additional link libraries (-lgsl
-lgslcblas) to build ocropus binary under Ubuntu Intrepid (8.10)
http://code.google.com/p/ocropus/issues/detail?id=166

What steps will reproduce the problem?

1. Checkout changeset: 168:6a7cc1b4f7ce
2. Attempt to build under Ubuntu 8.10 with tesseract and leptonica, using
defaults with the
autoconf/automake build system.

What is the expected output? What do you see instead?

Successful build of binary when executing:

g++ -g -O2 -fopenmp -Wall -Wno-sign-compare -Wno-write-strings
-Wno-deprecated -g -
O2 -fopenmp -L/usr/lib -L/usr/local/lib -L/usr/include/leptonica/../../lib
-lgomp -Wl,-E -o
ocropus ocropus.o libocropus.a -lgomp -lSDL_gfx -lSDL -llept
-ltesseract_full -lpthread -liulib
-ltiff -ljpeg -lpng -lz

Instead, you receive:

g++ -g -O2 -fopenmp -Wall -Wno-sign-compare -Wno-write-strings
-Wno-deprecated -g -
O2 -fopenmp -L/usr/lib -L/usr/local/lib -L/usr/include/leptonica/../../lib
-lgomp -Wl,-E -o
ocropus ocropus.o libocropus.a -lgomp -lSDL_gfx -lSDL -llept
-ltesseract_full -lpthread -liulib
-ltiff -ljpeg -lpng -lz
libocropus.a(glclass.o): In function `vector':
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:12: undefined
reference to
`gsl_vector_alloc'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:13: undefined
reference to
`gsl_vector_subvector_with_stride'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:12: undefined
reference to
`gsl_vector_alloc'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:13: undefined
reference to
`gsl_vector_subvector_with_stride'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:12: undefined
reference to
`gsl_vector_alloc'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:13: undefined
reference to
`gsl_vector_subvector_with_stride'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:12: undefined
reference to
`gsl_vector_alloc'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:13: undefined
reference to
`gsl_vector_subvector_with_stride'
libocropus.a(glclass.o): In function `matrix':
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:61: undefined
reference to
`gsl_matrix_alloc'
/export/home/rob/scratch/ocropus/ocropus/./include/gsl.h:62: undefined
reference to
`gsl_matrix_view_array_with_tda'

etc...

In order to build this correctly, I added "-lgsl -lgslcblas" to what make
attempted to run, giving:

g++ -g -O2 -fopenmp -Wall -Wno-sign-compare -Wno-write-strings
-Wno-deprecated -g -
O2 -fopenmp -L/usr/lib -L/usr/local/lib -L/usr/include/leptonica/../../lib
-lgomp -Wl,-E -o
ocropus ocropus.o libocropus.a -lgomp -lSDL_gfx -lSDL -llept
-ltesseract_full -lpthread -liulib
-ltiff -ljpeg -lpng -lz -lgsl -lgslcblas

This then built correctly, and I was able to run make to continue the build.

Thanks for all of your time that you're putting into this project, it's
really appreciated.

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Updates:
Status: Accepted
Labels: -Type-Defect -Priority-Medium Type-Portability Priority-Low

Comment #1 on issue 166 by tmb...@gmail.com: Needs additional link

libraries (-lgsl -lgslcblas) to build ocropus binary under Ubuntu Intrepid
(8.10)
http://code.google.com/p/ocropus/issues/detail?id=166

We don't have a lot of resources to support other systems. This would get
fixed most
quickly if you could supply a patch for autoconf.