configure.ac (gcc_cv_ld_eh_frame_hdr): Only check GNU ld for --eh-frame-hdr.
* configure.ac (gcc_cv_ld_eh_frame_hdr): Only check GNU ld for
--eh-frame-hdr.
Check for working Sun ld version.
(HAVE_LD_EH_FRAME_HDR): Adapt comment.
(glibc_header_dir): Set only once.
Rename to ...
(target_header_dir): ... this.
Adapt users.
(gcc_cv_target_dl_iterate_frame_hdr): Check on *-*-solaris2*.
(TARGET_DL_ITERATE_PHDR): Define if present.
* configure: Regenerate.
* config.in: Likewise.
* config/t-sol2 (LIB2ADDEH, LIB2ADDEHDEP): Define.
* crtstuff.c (USE_PT_GNU_EH_FRAME): Define for recent Solaris 11
with linker support and dl_iterate_phdr.
* unwind-dw2-fde-glibc.c (USE_PT_GNU_EH_FRAME): Likewise.
(_Unwind_IteratePhdrCallback) [PT_SUNW_UNWIND]: Also accept
PT_SUNW_UNWIND .eh_frame_hdr sections.
[CRT_GET_RFIB_DATA && __i386__ && __sun__ && __svr4__]: Add
load_base to data->dbase.
[CRT_GET_RFIB_DATA && __x86_64__ && __sun__ && __svr4__]: Handle
64-bit Solaris 10+/x86.
* config/sol2-gld.h [TARGET_DL_ITERATE_PHDR && HAVE_LD_EH_FRAME_HDR]
(LINK_EH_SPEC): Define.
From-SVN: r168204