GCC: Check if AR works with --plugin and rc

AR from older binutils doesn't work with --plugin and rc:

[hjl@gnu-cfl-2 bin]$ touch foo.c
[hjl@gnu-cfl-2 bin]$ ar --plugin /usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
[hjl@gnu-cfl-2 bin]$ ./ar --plugin /usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
./ar: no operation specified
[hjl@gnu-cfl-2 bin]$ ./ar --version
GNU ar (Linux/GNU Binutils) 2.29.51.0.1.20180112
Copyright (C) 2018 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) any later version.
This program has absolutely no warranty.
[hjl@gnu-cfl-2 bin]$

Check if AR works with --plugin and rc before passing --plugin to AR and
RANLIB.

ChangeLog:

	* configure: Regenerated.
	* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Check if AR works with
	--plugin and rc before enabling --plugin.

config/ChangeLog:

	* gcc-plugin.m4 (GCC_PLUGIN_OPTION): Check if AR works with
	--plugin and rc before enabling --plugin.

gcc/ChangeLog:

	* configure: Regenerate.

libatomic/ChangeLog:

	* configure: Regenerate.

libbacktrace/ChangeLog:

	* configure: Regenerate.

libcc1/ChangeLog:

	* configure: Regenerate.

libffi/ChangeLog:

	* configure: Regenerate.

libgfortran/ChangeLog:

	* configure: Regenerate.

libgm2/ChangeLog:

	* configure: Regenerate.

libgomp/ChangeLog:

	* configure: Regenerate.

libiberty/ChangeLog:

	* configure: Regenerate.

libitm/ChangeLog:

	* configure: Regenerate.

libobjc/ChangeLog:

	* configure: Regenerate.

libphobos/ChangeLog:

	* configure: Regenerate.

libquadmath/ChangeLog:

	* configure: Regenerate.

libsanitizer/ChangeLog:

	* configure: Regenerate.

libssp/ChangeLog:

	* configure: Regenerate.

libstdc++-v3/ChangeLog:

	* configure: Regenerate.

libvtv/ChangeLog:

	* configure: Regenerate.

lto-plugin/ChangeLog:

	* configure: Regenerate.

zlib/ChangeLog:

	* configure: Regenerate.
This commit is contained in:
H.J. Lu
2021-01-11 16:26:39 -08:00
committed by Arsen Arsenović
parent 126f707efb
commit 9c7797a8c2
22 changed files with 430 additions and 61 deletions

14
libcc1/configure vendored
View File

@@ -5958,7 +5958,15 @@ fi
test -z "$AR" && AR=ar
if test -n "$plugin_option"; then
if $AR --help 2>&1 | grep -q "\--plugin"; then
AR="$AR $plugin_option"
touch conftest.c
$AR $plugin_option rc conftest.a conftest.c
if test "$?" != 0; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Failed: $AR $plugin_option rc" >&5
$as_echo "$as_me: WARNING: Failed: $AR $plugin_option rc" >&2;}
else
AR="$AR $plugin_option"
fi
rm -f conftest.*
fi
fi
test -z "$AR_FLAGS" && AR_FLAGS=cru
@@ -10824,7 +10832,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 10827 "configure"
#line 10835 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -10930,7 +10938,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 10933 "configure"
#line 10941 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H