Le Sat, 6 May 2017 15:55:18 -0400,
Leo Famulari <leo@famulari.name> a écrit :

> On Fri, May 05, 2017 at 04:21:57PM -0400, Leo Famulari wrote:
> > On Mon, May 01, 2017 at 09:52:36AM +0200, Julien Lepiller wrote:  
> > > Subject: [PATCH] gnu: hexchat: Update to 2.12.4.
> > > 
> > > * gnu/packages/messaging.scm (hexchat): Update to 2.12.4.  
> > 
> > LGTM, thank you!  
> 
> Sorry, I only checked it for style. It fails to build like this:
> 
> ------
> source is under 'hexchat-2.12.4'
> ;;; /gnu/store/19lkrck1844idbcfq6ajzr0akmr8rshj-hexchat-2.12.4.tar.xz-builder:1:2293:
> warning: possibly unbound variable `inputs' Backtrace:
> In ice-9/boot-9.scm:
>  160: 14 [catch #t #<catch-closure 8c5b80> ...]
> In unknown file:
>    ?: 13 [apply-smob/1 #<catch-closure 8c5b80>]
> In ice-9/boot-9.scm:
>   66: 12 [call-with-prompt prompt0 ...]
> In ice-9/eval.scm:
>  432: 11 [eval # #]
> In ice-9/boot-9.scm:
> 2412: 10 [save-module-excursion #<procedure 8e67c0 at
> ice-9/boot-9.scm:4084:3 ()>] 4089: 9 [#<procedure 8e67c0 at
> ice-9/boot-9.scm:4084:3 ()>] 1734: 8 [%start-stack load-stack
> #<procedure 8f69c0 at ice-9/boot-9.scm:4080:10 ()>] 1739: 7
> [#<procedure 8f86c0 ()>] In unknown file:
>    ?: 6 [primitive-load
> "/gnu/store/19lkrck1844idbcfq6ajzr0akmr8rshj-hexchat-2.12.4.tar.xz-builder"]
> In ice-9/eval.scm: 399: 5 [eval # #]
> In system/base/compile.scm:
>  254: 4 [compile (begin # # # ...) #:from scheme ...]
>  182: 3 [lp (#<procedure objcode->value (x e opts)>) #<objcode
> 8dd020> ...] In ice-9/boot-9.scm:
> 2412: 2 [save-module-excursion #<procedure f924b0 at
> language/objcode/spec.scm:33:9 ()>] In language/objcode/spec.scm:
>   35: 1 [#<procedure f924b0 at language/objcode/spec.scm:33:9 ()>]
> In /gnu/store/19lkrck1844idbcfq6ajzr0akmr8rshj-hexchat-2.12.4.tar.xz-builder:
>    1: 0 [#<procedure f6fdc0 ()>]
> 
> /gnu/store/19lkrck1844idbcfq6ajzr0akmr8rshj-hexchat-2.12.4.tar.xz-builder:1:2293:
> In procedure #<procedure f6fdc0
> ()>: /gnu/store/19lkrck1844idbcfq6ajzr0akmr8rshj-hexchat-2.12.4.tar.xz-builder:1:2293:
> In procedure module-lookup: Unbound variable: inputs builder for
> `/gnu/store/gp1jrrhk8hd46ji2gciyjjpgxr9lhfxc-hexchat-2.12.4.tar.xz.drv'
> failed with exit code 1 @
> build-failed /gnu/store/gp1jrrhk8hd46ji2gciyjjpgxr9lhfxc-hexchat-2.12.4.tar.xz.drv
> - 1 builder for
> `/gnu/store/gp1jrrhk8hd46ji2gciyjjpgxr9lhfxc-hexchat-2.12.4.tar.xz.drv'
> failed with exit code 1 cannot build derivation
> `/gnu/store/g6jrq9a0bj4za1yg0fcx9ni7nkwlm91r-hexchat-2.12.4.drv': 1
> dependencies couldn't be built guix build: error: build failed: build
> of `/gnu/store/g6jrq9a0bj4za1yg0fcx9ni7nkwlm91r-hexchat-2.12.4.drv'
> failed ------
> 
> So, I reverted it with commit
> 2f0ad2a4232549a3bbb43565fa3b82a6c85e59a8.

Indeed, I made a mistake here... So here is a patch that should work
(tested).