acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Bump minimal version requirement.
2003-07-05 Phil Edwards <pme@gcc.gnu.org>
* acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Bump minimal version
requirement. Add port_specific_symbol_file variable.
* configure.host: Add docs for port_specific_symbol_file.
Clean up try_cpu block for x86.
* config/linker-map.gnu: No more "last symbol can't have a
semicolon" kaka. Add hook for port-specific symbols.
* src/Makefile.am: Remove trailing whitespace.
(libstdc++-symbol.ver): Detect the presence of port-specific
symbols, and add them accordingly.
* docs/html/17_intro/porting.texi: Bring up to date.