I down loaded and built a new version of gfortran this morning and now gortran is having trouble finding the dynamic library -
/usr/bin/ld: warning can't open dynamic library: /libgcc_s.1.dylib referenced from: /usr/local/gfortran/lib/gcc/powerpc-apple-darwin8.9.0/4.3.0/../../../libgfortran.dylib (checking for undefined symbols may be affected) (No such file or directory, errno = 2) [dranta:~/tests] dir% ls /usr/local/gfortran/lib/gcc/powerpc-apple-darwin8.9.0/4.3.0/../../../ gcc libgcc_s_ppc64.1.dylib libgfortran.dylib libgomp.dylib libssp.0.dylib libssp_nonshared.a libgcc_s.1.dylib libgcc_s_x86_64.1.dylib libgfortran.la libgomp.la libssp.a libssp_nonshared.la libgcc_s.10.4.dylib libgfortran.3.dylib libgomp.1.dylib libgomp.spec libssp.dylib libgcc_s.10.5.dylib libgfortran.a libgomp.a libiberty.a libssp.la [dranta:~/tests] dir% gfortran --v Using built-in specs. Target: powerpc-apple-darwin8.9.0 Configured with: ../gcc/configure --disable-multilib --prefix=/usr/local/gfortran --enable-languages=c,fortran Thread model: posix gcc version 4.3.0 20070608 (experimental) -- Summary: warning can't open dynamic library Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dir at lanl dot gov GCC host triplet: powerpc-apple-darwin8.9.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32255