--with-blas/lapack being ignored

[John W. Eaton]

On  4-Dec-2007, Ben Abbott wrote:

| Building under the Fink package manager for Mac OS X on Intel has been  
| a problem recently.
| 
| Today I noticed that configure doesn't appear to handle the lapack/ 
| blas option properly.
| 
| --------------------------------------
| ./configure '--prefix=/sw'  '--infodir=${prefix}/share/info' '--mandir= 
| ${prefix}/share/man' '--libexecdir=${prefix}/lib' '-enable-shared' '- 
| enable-dl' '--disable-static' '--build=i386-apple-darwin' '--with- 
| blas=/sw/lib/libatlas.a' '--with-lapack=/sw/lib/libatlas.a'  
| 'build_alias=i386-apple-darwin' 'CFLAGS=-O2' 'LDFLAGS=-L/sw/lib'  
| 'CPPFLAGS=-I/sw/include' 'CXXFLAGS=-O2' 'F77=/sw/bin/g95' 'FFLAGS=-O2 - 
| funroll-loops -fomit-frame-pointer -malign-double -msse2' --cache- 
| file=/dev/null --srcdir=.

Why all these options?  --enable-shared, --enable-dl, --disable-static
are all defaults.  Are you sure -funroll-loops -fomit-frame-pointer
-malign-double -msse2 really make sense and are helpful for your
system?

| Octave is now configured for i386-apple-darwin
| 
|    Source directory:     .
|    Installation prefix:  /sw
|    C compiler:           gcc  -mieee-fp  -Wall -W -Wshadow -O2
|    C++ compiler:         g++  -mieee-fp  -Wall -W -Wshadow -Wold-style- 
| cast -O2
|    Fortran compiler:     /sw/bin/g95 -O2 -funroll-loops -fomit-frame- 
| pointer -malign-double -msse2
|    Fortran libraries:    -L/sw/bin/../lib/gcc-lib/i386-apple- 
| darwin8/4.0.3 -lf95
|    BLAS libraries:       /sw/lib/libatlas.a -Wl,-framework -Wl,vecLib
|    FFTW libraries:       -lfftw3
|    GLPK libraries:       -lglpk
|    UMFPACK libraries:    -lumfpack
|    AMD libraries:        -lamd
|    CAMD libraries:       -lcamd
|    COLAMD libraries:     -lcolamd
|    CCOLAMD libraries:    -lccolamd
|    CHOLMOD libraries:    -lcholmod
|    CXSPARSE libraries:   -lcxsparse
|    HDF5 libraries:       -lhdf5
|    CURL libraries:       -lcurl
|    REGEX libraries:      -lpcre
|    QHULL libraries:	-lqhull
|    LIBS:                 -lreadline  -lncurses -lhdf5 -lz -lm
|    Default pager:        less
|    gnuplot:              gnuplot
| 
|    Do internal array bounds checking:  false
|    Build static libraries:             false
|    Build shared libraries:             true
|    Dynamic Linking:                    true (dyld)
|    Include support for GNU readline:   true
|    64-bit array dims and indexing:     false
| --------------------------------------
| 
| In specifically concerned about the line
| 
|    BLAS libraries:       /sw/lib/libatlas.a -Wl,-framework -Wl,vecLib
| 
| Is this a real bug, or did the configure script find something lacking  
| and add the default blas library reference to the build?

What version of Octave are you attempting to build?

jwe