Hi, I try to install and build gdb 6.3 and find files related ada missing. The error message during the build is, ada-lex.c missing and flex not available. make[1]: *** [ada-lex.c] Error 255 make[1]: Leaving directory `/opt/build/gdb-6.3/gdb' make: *** [all-gdb] Error 2 I know I don't need ada at all, so I disable it by configuring it like, ./configure --disable-libada But it still fails to build generating the same error messages above. Thanks. Jack Rong Software Engineer