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

1 files changed, 9 insertions, 0 deletions

diff --git a/gcc/config.host b/gcc/config.host
index 9738345c8a2..c035a50c91e 100644
--- a/gcc/config.host
+++ b/gcc/config.host
@@ -51,10 +51,15 @@
 #
 #  host_can_use_collect2 Set to yes normally; to no if the host cannot
 #			link or otherwise use collect2
+#
 #  use_long_long_for_widest_fast_int Set this to 'yes' if 'long long'
 #			(or '__int64') is wider than 'long' but still
 #			efficeiently supported by the host hardware.
 #			Only affects compile speed.  Default is 'no'.
+#
+#  host_lto_plugin_soname Set this to the name to which the LTO linker
+#			plugin gets compiled on this host, if it is
+#			different from the default "liblto_plugin.so".
 
 # When setting any of these variables, check to see if a corresponding
 # variable is present in config.build; if so, you will likely want to 
@@ -70,6 +75,7 @@ host_extra_gcc_objs=
 out_host_hook_obj=host-default.o
 host_can_use_collect2=yes
 use_long_long_for_widest_fast_int=no
+host_lto_plugin_soname=liblto_plugin.so
 
 # Unsupported hosts list.  Generally, only include hosts known to fail here,
 # since we allow hosts not listed to be supported generically.
@@ -206,12 +212,14 @@ case ${host} in
     out_host_hook_obj=host-cygwin.o
     host_xmake_file="${host_xmake_file} i386/x-cygwin"
     host_exeext=.exe
+    host_lto_plugin_soname=cyglto_plugin-0.dll
     ;;
   i[34567]86-*-mingw32*)
     host_xm_file=i386/xm-mingw32.h
     host_xmake_file="${host_xmake_file} i386/x-mingw32"
     host_exeext=.exe
     out_host_hook_obj=host-mingw32.o
+    host_lto_plugin_soname=liblto_plugin-0.dll
     ;;
   x86_64-*-mingw*)
     use_long_long_for_widest_fast_int=yes
@@ -219,6 +227,7 @@ case ${host} in
     host_xmake_file="${host_xmake_file} i386/x-mingw32"
     host_exeext=.exe
     out_host_hook_obj=host-mingw32.o
+    host_lto_plugin_soname=liblto_plugin-0.dll
     ;;
   i[34567]86-*-uwin*)
     echo "*** UWIN may not be used as a host platform because"