Re: [PATCH] gnu: Add LDFLAGS=-lpthread to configure-flags where needed.

[Sergei Trofimovich]

On Tue, 21 Mar 2017 02:22:11 +0100
John Darrington <address@hidden> wrote:

> --- a/gnu/packages/image.scm
> +++ b/gnu/packages/image.scm
> @@ -80,6 +80,8 @@
>              (sha256
>               (base32 
> "0ylgyx93hnk38haqrh8prd3ax5ngzwvjqw5cxw7p9nxmwsfyrlyq"))))
>     (build-system gnu-build-system)
> +   (arguments
> +    `(#:configure-flags '("LDFLAGS=-lpthread")))

That's libpng-1.6.28, right? I've tried to reproduce the failure on current
'core-updates' master (x86_64-linux). It builds just fine:

$ git describe
v0.12.0-2306-gf826c8c7e

$ ./pre-inst-env guix build libpng --check --no-grafts -K
/gnu/store/vis7x2j2lsmwbl5m5w794c23ysqah8xh-libpng-1.6.28

At a glance source code of libpng and it's tests does not contain any pthread 
calls.

Do you have a build log with the failure? I wonder where missing symbols come 
from.

-- 

  Sergei

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