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Re: Please test gub

From: Alexander Kobel
Subject: Re: Please test gub
Date: Thu, 31 Jan 2019 13:25:18 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0


strace according to Knut's instructions is attached.

On 31.01.19 12:54, Werner LEMBERG wrote:

Apart from that minor buzz, `make lilypond` does a good chunk of work,
but fails building tools::guile; log attached.

I see. libtools segfauls.

    ../libtool: line 950: 23645 Segmentation fault      (core dumped)
    ar cru .libs/libguile.a [...]

This is probably the same bug I've encountered on my openSUSE box.
Try to remove the file (or link) `/usr/lib/bfd-plugins/'
and replace it with the gcc variant `'.  On my system
I had to do

   cd /usr/lib/bfd-plugins
   ln -s /usr/lib64/gcc/x86_64-suse-linux/7/ .

Indeed, pops up in the trace.
On my system, the symlink for already exists, so I only had to remove (rename wasn't enough)

Building tools::guile succeeds after that modification; I'll test the further progress of `make lilypond` later.


# pacman -Qo /usr/lib/bfd-plugins/{,}
/usr/lib/bfd-plugins/ is owned by llvm-libs 7.0.1-2
/usr/lib/bfd-plugins/ is owned by gcc 8.2.1+20181127-1

So probably deinstalling llvm-libs (and clang, and some other packages that depend on it) might help... :-/

BTW, since gcc7 was mentioned couple of times in this thread:
/usr/lib/bfd-plugins/ points to /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.1/, but I also have the gcc7-libs variant under /usr/lib/gcc/x86_64-pc-linux-gnu/7.4.1/; but the build succeeded with gcc8's, so I did not test that.

I don't quite get why (IIUC, which I might not) gub apparently builds gcc, but then seems to use the system-wide gcc down the road?


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