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r158762 - in /trunk: ChangeLog configure.ac gcc...
- From: davek at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 27 Apr 2010 02:22:42 -0000
- Subject: r158762 - in /trunk: ChangeLog configure.ac gcc...
Author: davek
Date: Tue Apr 27 02:22:40 2010
New Revision: 158762
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158762
Log:
ChangeLog:
PR lto/42776
* configure.ac (--enable-lto): Refactor handling so libelf tests
are only performed inside then-clause of ACX_ELF_TARGET_IFELSE,
and allow LTO to be explicitly enabled on non-ELF platforms that
are known to support it inside else-clause.
* configure: Regenerate.
gcc/ChangeLog:
PR lto/42776
* configure.ac (gcc_cv_as_section_has_align): Set if installed
binutils supports extended .section directive needed by LTO, or
warn if older binutils found.
(LTO_BINARY_READER): New AC_SUBST'd variable.
(LTO_USE_LIBELF): Likewise.
* gcc/config.gcc (lto_binary_reader): New target-specific configure
variable.
* gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
(LTO_USE_LIBELF): Likewise.
* configure: Regenerate.
* collect2.c (is_elf): Rename from this ...
(is_elf_or_coff): ... to this, and recognize and allow i386 COFF
object files in addition to ELF-formatted ones.
(scan_prog_file): Caller updated. Also allow for LTO info marker
symbol to be prefixed or not by an extra underscore.
* config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
* config/i386/winnt.c: Also #include lto-streamer.h
(i386_pe_asm_named_section): Specify 1-byte section alignment for
LTO named sections.
(i386_pe_asm_output_aligned_decl_common): Add comment.
(i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
gcc/lto/ChangeLog:
PR lto/42776
* Make-lang.in (LTO_OBJS): Use LTO_BINARY_READER instead of
hardcoding 'lto-elf.o'.
($(LTO_EXE)): Use LTO_USE_LIBELF instead of hardcoding '-lelf'.
* lto-coff.h: New file.
* lto-coff.c: Likewise.
gcc/testsuite/ChangeLog:
PR lto/42776
* lib/lto.exp (lto_prune_vis_warns): New function.
(lto-link-and-maybe-run): Call it.
Added:
trunk/gcc/lto/lto-coff.c
trunk/gcc/lto/lto-coff.h
Modified:
trunk/ChangeLog
trunk/configure.ac
trunk/gcc/Makefile.in
trunk/gcc/collect2.c
trunk/gcc/config.gcc
trunk/gcc/config/i386/t-cygming
trunk/gcc/config/i386/winnt.c
trunk/gcc/configure
trunk/gcc/configure.ac
trunk/gcc/lto/ChangeLog
trunk/gcc/lto/Make-lang.in
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/lib/lto.exp