https://sourceware.org/bugzilla/show_bug.cgi?id=33470
--- Comment #16 from Alan Modra <amodra at gmail dot com> ---
Re the v2 patch. Yes GCC_PLUGIN_OPTION is not in libtool.m4, but see
m4_defun([_LT_CMD_OLD_ARCHIVE],
[plugin_option=
plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll"
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 $plugin_so"
break
fi
done
AC_CHECK_TOOL(AR, ar, false)
test -z "$AR" && AR=ar
if test -n "$plugin_option"; then
etc.
The revised patch still fails due to libtool adding another plugin option.
>From my make log:
libtool: link: ranlib --plugin /usr/lib/llvm-20/lib/clang/20/../../LLVMgold.so
--plugin /usr/lib/gcc/x86_64-linux-gnu/14/liblto_plugin.so .libs/libbfd.a
The last --plugin wins.
I was in the middle of making this comment when your v3 patch landed. I'll try
that.
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