Date: Thu, 26 Sep 2019 09:41:10 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Willem Jan Withagen <wjw@digiware.nl> Cc: "ports@freebsd.org" <ports@freebsd.org> Subject: Re: Using a different linker in a CMake project Message-ID: <20190926164110.GA29673@troutmask.apl.washington.edu> In-Reply-To: <9e4e72ba-f08a-667d-076a-f4d20614b41f@digiware.nl> References: <9e4e72ba-f08a-667d-076a-f4d20614b41f@digiware.nl>
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On Thu, Sep 26, 2019 at 06:18:17PM +0200, Willem Jan Withagen wrote:
>
> For building ceph14 in I need to use ld from the ports binutils.
> Mainly because of versioning that I can not get to work with the llvm
> linker, and is a know difference between GNU ld en LLVM ld.
>
> Just building in the project I was able to do that with:
> -D CMAKE_CXX_FLAGS_DEBUG=" -fuse-ld=/usr/local/bin/ld
> -Wno-unused-command-line-argument"
>
> So I'm trying to pass that also in the ports Makefile as a CMAKE_ARGS.
> But nothing thusfar I've tried does actually work. and gets the option
> on the commandline.
>
> So is there a way to get this to work.
> It is sort of tricky since CMAKE output uses cc of c++ to do linking.
>
> A brute force hack would be to
> rm /usr/bin/ld
> ln -s /usr/local/bin/ld /usr/bin/ld
> But I sure that that would not make it in the porst tree.
>
% cat Makefile
PATH = /usr/bin:/bin
.unexport-env
.export PATH
all:
@echo ${PATH}
which ld
% which ld
/usr/local/bin/ld
% make
/usr/bin:/bin
which ld
/usr/bin/ld
HTH
--
Steve
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