PR libstdc++/17005 (fix for HP-UX 11.11)
* config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
(hppa*-*-hpux*): Consolidate hppa1.0-*-* code. Rework handling of
tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
* config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
* config/pa/pa-hpux.h (TARGET_HPUX): Define.
(LINK_SPEC): Handle march=1.0 option.
* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
and _XOPEN_SOURCE_EXTENDED for UNIX 95.
(SUBTARGET_OPTIONS): New define.
(LINK_SPEC): Handle march=1.0 option.
(STARTFILE_SPEC): New define.
* config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
and _XOPEN_SOURCE_EXTENDED for UNIX 95. Additionally, predefine
_INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
(SUBTARGET_OPTIONS): New define.
(LINK_SPEC): Handle march=1.0 option.
(STARTFILE_SPEC): New define.
* config/pa/pa.c (override_options): Add code to process -munix= option.
* config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
(TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
defines.
(TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
(SUBTARGET_OPTIONS): Provide default define.
* config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
STANDARD_STARTFILE_PREFIX_2): New defines.
(STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
(ENDFILE_SPEC): Use %O.
* doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
Mention issue caused by changing namespace and runtime to UNIX 95/98.
* doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
Document -munix=std option.
From-SVN: r86561
