bug#34431: Qt fails to build

[Andreas Enge]

Hello,

qt currently fails to build for me.

$ guix describe
Generation 11   10. Februar 2019 09:32:33       (aktuell)
  guix 50a93ad
    Repository-URL: https://git.savannah.gnu.org/git/guix.git
    Commit: 50a93adc05b611836e740c4b55571890f4c6770a

$ guix build qtbase

...
/tmp/guix-build-qtbase-5.11.3.drv-0/qtbase-everywhere-src-5.11.3/bin/qvkgen: 
error while loading shared libraries: libQt5Core.so.5: cannot open shared 
object file: No such file or directory
make[2]: *** [Makefile:1631: vulkan/qvulkanfunctions.h] Error 127
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory 
'/tmp/guix-build-qtbase-5.11.3.drv-0/qtbase-everywhere-src-5.11.3/src/gui'
make[1]: *** [Makefile:448: sub-gui-make_first] Error 2
make[1]: Leaving directory 
'/tmp/guix-build-qtbase-5.11.3.drv-0/qtbase-everywhere-src-5.11.3/src'
make: *** [Makefile:49: sub-src-make_first] Error 2
Backtrace:
           4 (primitive-load "/gnu/store/sknkcqbgchxippcvpibh33qz15p…")
In ice-9/eval.scm:
   191:35  3 (_ _)
In srfi/srfi-1.scm:
   863:16  2 (every1 #<procedure a8d0a0 at /gnu/store/gfprsx2m62cvq…> …)
In 
/gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/gnu-build-system.scm:
   799:28  1 (_ _)
In 
/gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/utils.scm:
    616:6  0 (invoke _ . _)

/gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/utils.scm:616:6:
 In procedure invoke:
Throw to key `srfi-34' with args `(#<condition &invoke-error [program: "make" 
arguments: ("-j" "4") exit-status: 2 term-signal: #f stop-signal: #f] a38780>)'.
builder for `/gnu/store/2cqb7nhwii2vcykvw6q28zg4rbhffvdj-qtbase-5.11.3.drv' 
failed with exit code 1
build of /gnu/store/2cqb7nhwii2vcykvw6q28zg4rbhffvdj-qtbase-5.11.3.drv failed

Andreas