On Mon, Dec 19, 2011 at 4:40 PM, Dongyoon Oh <[email protected]> wrote:
> Hi, > > I'm trying to build mpb on my Mac OS X 10.7.2 but I'm failing it for some > reasons. > Right now, the problem is related with BLAS and gfortran. > > I installed gfortran from the package gcc-4.6.2 I downloaded from web. > > I've also downloaded blas.tgz from http://www.netlib.org/blas/ and made > 'libblas.a': > > cd BLAS > gfortran -c -O3 *.f > ar rv libblas.a *.o > sudo cp libblas.a /usr/local/lib > > (when I removed the command line options and just typed > >> gfortran *.f > I got the following error > Undefined symbols for architecture x86_64: > "_main", referenced from: > start in crt1.10.5.o > ld: symbol(s) not found for architecture x86_64) > > > Now, I set some variables > export CPPFLAGS="-I/usr/local/include -arch x86_64" > export CFLAGS="-I/usr/local/include -arch x86_64" > export CXXFLAGS="-I/usr/local/include -arch x86_64" > export LDFLAGS="-L/usr/local/lib" > > * Fortran Related * > F77=$HOME/my_gcc/bin/my-gfortran > export > FLIBS="-L/Users/Dongyoon/my_gcc/lib/gcc/x86_64-apple-darwin11.2.0/4.6.2" > ./configure --prefix=/usr/local --with-blas=/usr/local/lib/libblas.a > --with-lapack=/usr/local/lib/liblapack.a > --with-libctl=/usr/local/share/libctl > > Then configure : > > ./configure --with-blas=/usr/local/lib/libblas.a > --with-lapack=/usr/local/lib/liblapack.a > --with-libctl=/usr/local/share/libctl > > Then I get the error message : > > checking for ATL_xerbla in -latlas... no > checking for sgemm_ in -lblas... no > checking for sgemm_ in -lcxml... no > checking for sgemm_ in -ldxml... no > checking for sgemm_ in -lscs... no > checking for sgemm_ in -lcomplib.sgimath... no > checking for sgemm_ in -lblas... (cached) no > checking for sgemm_ in -lblas... (cached) no > configure: error: BLAS was not found! > > > Since I linked to 'libblas.a' by command line options in configuration, > I'm not sure about the cause of the error. > Could this be related to fortran issue? > > Best, > Dongyoon > >
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