[PATCH 1/3] Binutils/GCC: Add clang LTO support to AR, NM and RANLIB

[H.J. Lu]

Add CLANG_PLUGIN_FILE to find the clang plugin file and pass it to
--plugin for ar, nm and ranlib so that binutils can be built with
clang LTO.  Run CLANG_PLUGIN_FILE before GCC_PLUGIN_OPTION since
GCC_PLUGIN_OPTION may return the wrong PLUGIN_OPTION with clang.

PR binutils/33470
* Makefile.in: Regenerated.
* Makefile.tpl (NM): Add @NM_PLUGIN_OPTION@.
* configure: Regenerated.
* configure.ac: Include config/clang-plugin.m4.
Run CLANG_PLUGIN_FILE before GCC_PLUGIN_OPTION to set
PLUGIN_OPTION.  Set and subst NM_PLUGIN_OPTION.
* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Use CLANG_PLUGIN_FILE and
GCC_PLUGIN_OPTION.

config/

PR binutils/33470
* clang-plugin.m4: New file.

libbacktrace/

PR binutils/33470
* Makefile.in: Regenerated.
* aclocal.m4: Likewise.
* configure: Likewise.

libiberty/

PR binutils/33470
* aclocal.m4: Regenerated.
* configure: Likewise.
* configure.ac: Move GCC_PLUGIN_OPTION after GCC_NO_EXECUTABLES.
Run CLANG_PLUGIN_FILE before GCC_PLUGIN_OPTION to set
PLUGIN_OPTION.  Don't add the redundant --plugin option.

zlib/

PR binutils/33470
* Makefile.in: Regenerated.
* aclocal.m4: Likewise.
* configure: Likewise.


-- 
H.J.
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