$ sudo port upgrade -n octave
--->  Fetching octave
--->  Attempting to fetch octave-3.0.3.tar.gz from ftp://ftp.gnu.org/pub/gnu/octave/
--->  Verifying checksum(s) for octave
--->  Extracting octave
--->  Applying patches to octave
--->  Configuring octave
--->  Building octave with target all
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_math_octave/work/octave-3.0.3" && make all " returned error 2
Command output: /usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dMatrix.cc -o dMatrix.o
dMatrix.cc: In member function 'Matrix Matrix::tinverse(MatrixType&, octave_idx_type&, double&, int, int) const':
dMatrix.cc:727: warning: variable 'work' might be clobbered by 'longjmp' or 'vfork'
dMatrix.cc:728: warning: variable 'iwork' might be clobbered by 'longjmp' or 'vfork'
dMatrix.cc: In member function 'Matrix Matrix::lssolve(const Matrix&, octave_idx_type&, octave_idx_type&, double&) const':
dMatrix.cc:2137: warning: variable 'nlvl' might be clobbered by 'longjmp' or 'vfork'
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dNDArray.cc -o dNDArray.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dRowVector.cc -o dRowVector.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleAEPBAL.cc -o dbleAEPBAL.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleCHOL.cc -o dbleCHOL.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleDET.cc -o dbleDET.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleHESS.cc -o dbleHESS.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleLU.cc -o dbleLU.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleQR.cc -o dbleQR.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleQRP.cc -o dbleQRP.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleSCHUR.cc -o dbleSCHUR.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 dbleSVD.cc -o dbleSVD.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 boolSparse.cc -o boolSparse.o
/usr/bin/g++-4.0 -c -I/opt/local/include -I/opt/local/include -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -DHAVE_CONFIG_H -mieee-fp -Wall -W -Wshadow -Wold-style-cast -O2 CSparse.cc -o CSparse.o
CSparse.cc: In member function 'ComplexMatrix SparseComplexMatrix::fsolve(MatrixType&, const Matrix&, octave_idx_type&, double&, void (*)(double), bool) const':
CSparse.cc:5769: error: invalid conversion from 'void (*)(int, const char*, int, const char*)' to 'void (*)(int, char*, int, char*)'
CSparse.cc: In member function 'SparseComplexMatrix SparseComplexMatrix::fsolve(MatrixType&, const SparseMatrix&, octave_idx_type&, double&, void (*)(double), bool) const':
CSparse.cc:6012: error: invalid conversion from 'void (*)(int, const char*, int, const char*)' to 'void (*)(int, char*, int, char*)'
CSparse.cc: In member function 'ComplexMatrix SparseComplexMatrix::fsolve(MatrixType&, const ComplexMatrix&, octave_idx_type&, double&, void (*)(double), bool) const':
CSparse.cc:6303: error: invalid conversion from 'void (*)(int, const char*, int, const char*)' to 'void (*)(int, char*, int, char*)'
CSparse.cc: In member function 'SparseComplexMatrix SparseComplexMatrix::fsolve(MatrixType&, const SparseComplexMatrix&, octave_idx_type&, double&, void (*)(double), bool) const':
CSparse.cc:6525: error: invalid conversion from 'void (*)(int, const char*, int, const char*)' to 'void (*)(int, char*, int, char*)'
make[2]: *** [CSparse.o] Error 1
make[1]: *** [liboctave] Error 2
make: *** [all] Error 2

Error: Unable to upgrade port: 1