* ld.h (flag_is_weak): Define.
* ldlang.c (print_symbol): Mention whether symbol is weak.
(print_input_section): Print weak symbols as globals.
* ldmain.c (refize): Do not zero out BSF_WEAK flag.
(enter_global_ref): Do not warn if a weak symbol redefines a
global symbol. Do not let a weak symbol redefine a common symbol.
(enter_file_symbols): Treat weak symbols as global symbols.
(subfile_wanted_p): Do not pull in an object file from a archive
just to resolve an undefined weak symbol.
* ldmisc.c (vfinfo): Don't needlessly malloc space after a fatal
error; the error might be that malloc has run out of space.
* ldsym.c (write_file_locals): Treat weak symbols as global.
* configure.in (i[34]86-*-sysv4*, i[34]86-*-elf*): New targets;
use i386-elf.
* config/i386v4.mh: New file; set NATIVE_LIB_DIRS to /usr/ccs/lib.
* config/i386-elf.mt: New file; set EMUL to elf_i386.
* emulparams/elf_i386.sh: New file.
* scripttempl/elf.sc: Use ${NOP} as filler (defaults to 0).
* Makefile.in (NATIVE_LIB_DIRS): Define to be empty.
(ALL_EMULATIONS): Add em_elf_i386.o.
(GENSCRIPTS): Pass NATIVE_LIB_DIRS as sixth argument.
(em_elf_i386.c): New target, like other em_*.c targets.
($(LD_PROG)): Pass $(CFLAGS) to $(CC).
* genscripts.sh: Accept NATIVE_LIB_DIRS as sixth argument. If
nonempty, and configured for native, add it to LIB_PATH.
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