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Date: Fri, 15 Jan 2021 14:30:48 +1100
From: Patrick Oppenlander <patrick.oppenlander@...il.com>
To: Fangrui Song <emacsray@...il.com>
Cc: musl@...ts.openwall.com
Subject: Re: [PATCH] copy liblto_plugin.so into lib/bfd-plugins
On Fri, Jan 15, 2021 at 1:56 PM Fangrui Song <emacsray@...il.com> wrote:
>
> On Thu, Jan 14, 2021 at 6:33 PM <patrick.oppenlander@...il.com> wrote:
> >
> > From: Patrick Oppenlander <patrick.oppenlander@...il.com>
> >
> > The ar, nm and ranlib tools will automatically load plugins from the
> > lib/bfd-plugins directory if present.
> >
> > With this file in place it is no longer necessary to use the gcc-
> > prefixed versions of these tools (or the --plugin argument) to handle
> > LTO objects.
> > ---
> > litecross/Makefile | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/litecross/Makefile b/litecross/Makefile
> > index 8ec0ed2..3b797d1 100644
> > --- a/litecross/Makefile
> > +++ b/litecross/Makefile
> > @@ -254,6 +254,8 @@ install-binutils: | obj_binutils/.lc_built
> > install-gcc: | obj_gcc/.lc_built
> > cd obj_gcc && $(MAKE) MAKE="$(MAKE) $(LIBTOOL_ARG)" DESTDIR=$(DESTDIR)$(OUTPUT) install
> > ln -sf $(TARGET)-gcc $(DESTDIR)$(OUTPUT)/bin/$(TARGET)-cc
> > + mkdir -p $(DESTDIR)$(OUTPUT)/lib/bfd-plugins
> > + cp -L $(DESTDIR)$(OUTPUT)/libexec/gcc/$(TARGET)/$(file < src_gcc/gcc/BASE-VER)/liblto_plugin.so $(DESTDIR)$(OUTPUT)/lib/bfd-plugins
> >
> > ifneq ($(LINUX_SRCDIR),)
> > TARGET_ARCH = $(firstword $(subst -, ,$(TARGET)))
> > --
> > 2.30.0
> >
>
> Your 'file' seems different. https://www.darwinsys.com/file/ (The Fine
> Free File Comman) does not support `file < ...`
In this context $(file ...) is a make function, not a shell command.
https://www.gnu.org/software/make/manual/html_node/File-Function.html
Patrick
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