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GCC: Pass --plugin to AR and RANLIB

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Detect GCC LTO plugin.  Pass --plugin to AR and RANLIB to support LTO
build.

	* Makefile.tpl (AR): Add @AR_PLUGIN_OPTION@
	(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
	* configure.ac: Include config/gcc-plugin.m4.
	AC_SUBST AR_PLUGIN_OPTION and RANLIB_PLUGIN_OPTION.
	* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Pass --plugin to AR and
	RANLIB if possible.
	* Makefile.in: Regenerated.
	* configure: Likewise.

config/

	* gcc-plugin.m4 (GCC_PLUGIN_OPTION): New.

libiberty/

	* Makefile.in (AR): Add @AR_PLUGIN_OPTION@
	(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
	(configure_deps): Depend on ../config/gcc-plugin.m4.
	* aclocal.m4: Include ../config/gcc-plugin.m4.
	* configure.ac: AC_SUBST AR_PLUGIN_OPTION and
	RANLIB_PLUGIN_OPTION.
	* configure: Regenerated.

zlib/

	* configure: Regenerated.
This commit is contained in:
H.J. Lu
2021-01-09 06:43:11 -08:00
parent a9fd212a24
commit 50ad1254d5
15 changed files with 219 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
config/ChangeLog
View File

@@ -1,3 +1,7 @@
2021-01-09 H.J. Lu <hongjiu.lu@intel.com>
* gcc-plugin.m4 (GCC_PLUGIN_OPTION): New.
2021-01-09 Nick Clifton <nickc@redhat.com>
* 2.36 release branch crated.

28
config/gcc-plugin.m4
View File

@@ -124,3 +124,31 @@ AC_DEFUN([GCC_ENABLE_PLUGINS],
fi
fi
])
dnl
dnl
dnl GCC_PLUGIN_OPTION
dnl (SHELL-CODE_HANDLER)
dnl
AC_DEFUN([GCC_PLUGIN_OPTION],[dnl
AC_MSG_CHECKING([for -plugin option])
plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll"
plugin_option=
for plugin in $plugin_names; do
plugin_so=`${CC} ${CFLAGS} --print-prog-name $plugin`
if test x$plugin_so = x$plugin; then
plugin_so=`${CC} ${CFLAGS} --print-file-name $plugin`
fi
if test x$plugin_so != x$plugin; then
plugin_option="--plugin $plugin_so"
break
fi
done
if test -n "$plugin_option"; then
$1="$plugin_option"
AC_MSG_RESULT($plugin_option)
else
AC_MSG_RESULT([no])
fi
])