configure.ac (build_lto_plugin): New shell variable.

ChangeLog:

2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	* configure.ac (build_lto_plugin): New shell variable.
	(--enable-lto): Turn on by default for all non-ELF platforms that
	have had LTO support added so far.  Set build_lto_plugin appropriately
	for both ELF and non-ELF.
	(configdirs): Add lto-plugin or not based on build_lto_plugin.
	* configure: Regenerate.

gcc/ChangeLog:

2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config.host (host_lto_plugin_soname): New shell variable.
	* configure.ac (LTOPLUGINSONAME): Add an AC_DEFINE for the above.
	* config.in: Regenerate.
	* configure: Regenerate.
	* gcc.c (main): Use LTOPLUGINSONAME instead of hard-coding name of
	LTO plugin shared library.

lto-plugin/ChangeLog:

2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	* configure.ac: Source config.gcc to determine lto_binary_reader.
	(LTO_FORMAT): New AC_SUBST variable inferred from lto_binary_reader.
	* Makefile.am (LTO_FORMAT): Import.
	(liblto_plugin_la_SOURCES): Add object format dependent module
	defined by LTO_FORMAT.
	(liblto_plugin_la_LIBADD): Allow for both PIC and non-PIC libiberty,
	and work around libtool warning.
	* configure: Regenerate.
	* Makefile.in: Likewise.
	* lto-plugin.c (struct sym_aux): Move to new lto-plugin.h.
	(struct sym_aux): Likewise.
	(struct plugin_symtab): Likewise.
	(struct plugin_file_info): Likewise.
	(LTO_SECTION_PREFIX): Likewise.
	(add_symbols):  Make non-static.
	(claimed_files): Likewise.
	(num_claimed_files): Likewise.
	(check): Likewise.
	(parse_table_entry): Likewise.
	(translate): Likewise.
	(resolve_conflicts): Likewise.
	(process_symtab): Move to new lto-plugin-elf.c object format dependent
	source file.
	(claim_file_handler): Likewise, and make non-static.
	(onload): Call new onload_format_checks function.
	* lto-plugin.h: New file.
	(LTO_SECTION_PREFIX): Move here.
	(struct sym_aux): Likewise.
	(struct plugin_symtab): Likewise.
	(struct plugin_file_info): Likewise.
	(claim_file_handler): Add new function prototype.
	(onload_format_checks): Likewise.
	(check): Declare extern.
	(translate): Likewise.
	(parse_table_entry): Likewise.
	(resolve_conflicts): Likewise.
	(add_symbols):  Likewise.
	(claimed_files): Likewise.
	(num_claimed_files): Likewise.
	* lto-plugin-elf.c (process_symtab): Move here.
	(claim_file_handler): Likewise, and make non-static.
	(onload_format_checks): New function factored out from onload.
	* lto-plugin-coff.c (claim_file_handler): New function stub.
	(onload_format_checks): Likewise.

From-SVN: r165133