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Re: Error on installed qt-4 package

From: Ludovic Courtès
Subject: Re: Error on installed qt-4 package
Date: Sat, 12 Oct 2013 21:50:34 +0200
User-agent: Gnus/5.130007 (Ma Gnus v0.7) Emacs/24.3 (gnu/linux)

Andreas Enge <address@hidden> skribis:

> $ guix build qt
> substitute-binary: ;;; note: source file /usr/local/guix-git/bin/guix
> substitute-binary: ;;;       newer than compiled 
> /root/.cache/guile/ccache/2.0-LE-8-2.0/usr/local/guix-git/bin/guix.go

It’s /root, because the ‘substitute-binary’ is spawned by the daemon,
which runs as ‘root’.


> In guix/packages.scm:
>  297: 1 [#<procedure 3b01e80 at guix/packages.scm:295:9 (number patch)> 0 #f]
> In unknown file:
>    ?: 0 [basename #f #<undefined>]
> ERROR: In procedure basename:
> ERROR: In procedure basename: Wrong type argument in position 1 (expecting 
> string): #f

That’s because one of the ‘search-patch’ invocations returned #f–i.e.,
the patch wasn’t found in the search path.

Could you either run ‘./pre-inst-env strace -o log guix build qt-4.5.8’
or add ‘pk’ in ‘search-patch’ in gnu/packages.scm to see which patch is
not found and where it’s searched for?

For instance like this:

diff --git a/gnu/packages.scm b/gnu/packages.scm
index e9f2540..4b6c184 100644
--- a/gnu/packages.scm
+++ b/gnu/packages.scm
@@ -62,7 +62,8 @@
 (define (search-patch file-name)
   "Search the patch FILE-NAME."
-  (search-path (%patch-path) file-name))
+  (pk 'SEARCH-PATCH (%patch-path) file-name
+      (search-path (%patch-path) file-name)))
 (define (search-bootstrap-binary file-name system)
   "Search the bootstrap binary FILE-NAME for SYSTEM."

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