pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.

pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.

        * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
        * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.

        * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
        name at 32 total characters.
        (ASM_OUTPUT_SECTION_NAME): Similarly.  Also, only support placing
        functions in named sections -- data items can still go into unique
        sections, but they have normal names (ie $LIT$ and $DATA$).

        * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
        INIT_PRIORITY.

From-SVN: r41436