[SCM] GNU Libtool branch, lto, created. v2.2.10-156-g327f014

[Ralf Wildenhues]

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The branch, lto has been created
        at  327f014068d2f709f0e38282d6b36725573a45c7 (commit)

- Log -----------------------------------------------------------------
commit 327f014068d2f709f0e38282d6b36725573a45c7
Merge: b81fd4e f2fc0e0
Author: Ralf Wildenhues <address@hidden>
Date:   Thu Sep 2 21:06:43 2010 +0200

    Merge branch 'master' into lto

commit f2fc0e036910682c982daaf4cacea328091a4332
Author: Ralf Wildenhues <address@hidden>
Date:   Thu Sep 2 08:18:12 2010 +0200

    tests: avoid spurious test failure due to library mode on HP-UX.
    
    * tests/help.at (debug tracing): Use $lt_INSTALL not cp for
    install mode, the latter will not overwrite an existing library
    with mode 555.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

commit b81fd4ef009c24a86a7e64727ea09efb410ea149
Author: Ralf Wildenhues <address@hidden>
Date:   Sun Aug 29 17:31:29 2010 +0200

    Support GCC LTO on GNU/Linux.
    
    * libltdl/config/ltmain.m4sh (func_mode_link): Allow through
    flags matching -O*, -flto*, -fwhopr, -fuse-linker-plugin.
    * libltdl/m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS): Drop symbols
    starting with __gnu_lto.
    (_LT_LINKER_SHLIBS) [linux] <archive_cmds, archive_expsyms_cmds>:
    Add $pic_flag for GCC.
    (_LT_LANG_CXX_CONFIG) [linux] <archive_cmds, archive_expsyms_cmds>:
    Likewise.
    (_LT_SYS_HIDDEN_LIBDEPS): Ignore files matching *.lto.o.
    * NEWS: Update.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

commit ada610770b6a30fcf8b22cd875c2002183765c4f
Author: Ralf Wildenhues <address@hidden>
Date:   Sun Aug 29 17:30:19 2010 +0200

    Disable GCC LTO for verbose library extraction.
    
    * libltdl/m4/libtool.m4 (_LT_SYS_HIDDEN_LIBDEPS): Temporarily
    append -fno-lto or -fno-whopr to CFLAGS if CC or CFLAGS (which
    are substituted with the per-language variables here) contain
    -flto or match -fwhopr*, respectively.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

commit bf1d52eb53a6f8738105954f9e1e9533da091461
Author: Ralf Wildenhues <address@hidden>
Date:   Sun Aug 29 17:28:29 2010 +0200

    Save and restore CFLAGS properly inside libtool.m4 macros.
    
    * libltdl/m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS): Use different
    temporary variables for saved and restored values of $LIBS,
    $CFLAGS, to avoid overlap with the *_CONFIG macros.
    (_LT_LANG_CXX_CONFIG, _LT_LANG_F77_CONFIG, _LT_LANG_FC_CONFIG)
    (_LT_LANG_GCJ_CONFIG, _LT_LANG_RC_CONFIG): Also save and restore
    $CFLAGS, and override it with per-language flags, so that in
    case output_verbose_link_cmd uses $CFLAGS, the right flags are
    used.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

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