On 29.08.2016 03:38, Andrew Wilkins wrote:
I've been looking into doing this too, for llgo (Go compiler frontend for LLVM).
Nice! :-)
You need libc6-dev also. After including that, I was then met with another
issue: libc.so is a linker script, and that uses absolute paths to point at the
real libraries. I haven't solved that yet. If it's possible to override files in
a staged package, you could just provide a replacement linker script.
Yea, including libc6-dev gets me to the point where attempting to build a
program fails with:
cannot find /usr/lib/x86_64-linux-gnu/libpthread_nonshared.a
... which I presume is down to the linker script expecting the absolute paths
you describe.
I already edit some stuff after the stage -- my current process is to type
`snapcraft stage`, and after that completes, editing files in the `stage/`
directory, followed by `snapcraft snap` to finish it up.
So, in principle it should be possible to edit the stuff in
stage/usr/lib/x86_64-linux-gnu to change the paths. (I guess it'll need to be
more than just libc.so though; I'd guess libm.so and libpthread.so will also
need to be tweaked.)
It's a bit late at night for me to start work on it now and I probably won't
have time tomorrow, but I'll give it a go some time this week. If you get to it
before me and it works for you, let me know!
Thanks & best wishes,
-- Joe
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