Wim VAN-ACKOOIJ wrote: > ./configure --prefix=/users/ackooij/softs/gcc-4.2.1SunOS/ > --with-gmp=/logiciels/public/gmp-4.1.4 > --with-mpfr=/logiciels/public/mpfr-2.2.0 --with-gnu-as > --with-as=/logiciels/public/binutils-2.16/bin/as --with-gnu-ld > --with-ld=/logiciels/public/binutils-2.16/bin/ld > --enable-languages=c,c++,fortran --disable-libgcj > --build=sparc-sun-solaris2.8 You're using a recent gcc with a binutils that is several years old. That is never a good idea, try using a current version. Those errors are due to bugs in the assembler relating to alignment in DWARF2 debug output, from what I can tell from searching the archives. Brian