build

[John W. Eaton]

On 25-Apr-2007, Matt Funk wrote:

| i am trying to build octave 2.9.10 on an amd opteron machine.
| Configure goes fine with the following warnings:
| 
| configure: WARNING: UMFPACK not found.  This will result in some lack of 
| functionality for sparse matrices.
| configure: WARNING: COLAMD not found. This will result in some lack of 
| functionality for sparse matrices.
| configure: WARNING: CCOLAMD not found. This will result in some lack of 
| functionality for sparse matrices.
| configure: WARNING: CHOLMOD not found. This will result in some lack of 
| functionality for sparse matrices.
| configure: WARNING: CXSparse not found. This will result in some lack of 
| functionality for sparse matrices.
| configure: WARNING: cURL library not found.  The urlread and urlwrite 
| functions will be disabled.
| configure: WARNING: FFTW library not found.  Octave will use the (slower) 
| FFTPACK library instead.
| configure: WARNING: GLPK library not found.  The glpk function for solving 
| linear programs will be disabled.
| configure: WARNING: PCRE library not found.  This will result in some loss of 
| functionality for the regular expression matching functions.
| configure: WARNING: ZLIB library not found.  Octave will not be able to save 
| or load compressed data files or HDF5 files
| 
| During the make process i get the following errors:
| SparseCmplxQR.o
| SparseCmplxQR.cc:40: syntax error before `__attribute__'
| SparseCmplxQR.cc: In member function `SparseComplexMatrix
|    SparseComplexQR::SparseComplexQR_rep::R(bool) const':
| SparseCmplxQR.cc:148: warning: unused parameter `const bool econ'
| SparseCmplxQR.cc: In member function `ComplexMatrix
|    SparseComplexQR::SparseComplexQR_rep::C(const ComplexMatrix&) const':
| SparseCmplxQR.cc:178: warning: unused parameter `const ComplexMatrix&b'
| SparseCmplxQR.cc: In function `ComplexMatrix qrsolve(const
|    SparseComplexMatrix&, const Matrix&, octave_idx_type&)':
| SparseCmplxQR.cc:226: warning: unused parameter `const SparseComplexMatrix&a'
| SparseCmplxQR.cc:226: warning: unused parameter `const Matrix&b'
| SparseCmplxQR.cc: In function `SparseComplexMatrix qrsolve(const
|    SparseComplexMatrix&, const SparseMatrix&, octave_idx_type&)':
| SparseCmplxQR.cc:342: warning: unused parameter `const SparseComplexMatrix&a'
| SparseCmplxQR.cc:342: warning: unused parameter `const SparseMatrix&b'
| SparseCmplxQR.cc: In function `ComplexMatrix qrsolve(const
|    SparseComplexMatrix&, const ComplexMatrix&, octave_idx_type&)':
| SparseCmplxQR.cc:503: warning: unused parameter `const SparseComplexMatrix&a'
| SparseCmplxQR.cc:503: warning: unused parameter `const ComplexMatrix&b'
| SparseCmplxQR.cc: In function `SparseComplexMatrix qrsolve(const
|    SparseComplexMatrix&, const SparseComplexMatrix&, octave_idx_type&)':
| SparseCmplxQR.cc:612: warning: unused parameter `const SparseComplexMatrix&a'
| SparseCmplxQR.cc:612: warning: unused parameter `const SparseComplexMatrix&b'
| make[2]: *** [SparseCmplxQR.o] Error 1
| make[2]: Leaving directory 
| `/home2/users/mafunk/Packages/octave-2.9.10/liboctave'
| make[1]: *** [liboctave] Error 2
| 
| I need to build the 2.9.10 to be able to set the linewidth. The build of 
| 2.1.79
| 
| However, i just built octave 2.9.9 and that built fine ... ?

What version of GCC are you using?  Does the following message help?

  https://www.cae.wisc.edu/pipermail/bug-octave/2007-April/002111.html

Also, what kind of system are you using?

jwe