branch wip-desktop updated: gnu: liblouis: Fix execution of python-extension.

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     new d3f3fe3  gnu: liblouis: Fix execution of python-extension.
d3f3fe3 is described below

commit d3f3fe31c0c87a06230f1ef37c8423563acb8aed
Author: Raghav Gururajan <raghavgururajan@disroot.org>
AuthorDate: Fri Aug 28 22:52:29 2020 -0400

    gnu: liblouis: Fix execution of python-extension.
    
    * gnu/packages/language.scm (liblouis)
    [arguments]<#:phases>['patch-python-extension]: New phase.
    
    Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
---
 gnu/packages/language.scm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gnu/packages/language.scm b/gnu/packages/language.scm
index 4959f96..7dab360 100644
--- a/gnu/packages/language.scm
+++ b/gnu/packages/language.scm
@@ -72,6 +72,17 @@
         "--enable-ucs4")
        #:phases
        (modify-phases %standard-phases
+         ;; To fix loading of LibLouis shared library
+         (add-after 'unpack 'patch-python-extension
+           (lambda* (#:key outputs #:allow-other-keys)
+             (substitute* "python/louis/__init__.py.in"
+               (("liblouis = _loader\\[\"###LIBLOUIS_SONAME###\"\\]")
+                (string-append "liblouis = _loader"
+                               "[\""
+                               (assoc-ref outputs "out")
+                               "/lib/liblouis.so"
+                               "\"]")))
+             #t))
          ;; To install the sub-package "python".
          (add-after 'install 'install-python-extension
            (lambda* (#:key outputs #:allow-other-keys)