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

[John Darrington <john@darrington.wattle.id.au>]

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On Tue, Mar 21, 2017 at 09:09:28AM +0000, Sergei Trofimovich wrote:
     On Tue, 21 Mar 2017 02:22:11 +0100
     John Darrington <john@darrington.wattle.id.au> 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.
     

Yes *IT* builds fine.  It's just the thing that depend upon it that don't.
For example look at the most recent build attempt for pspp.

J'



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