[bug#28719] [PATCH 4/6] gnu: qtwebkit: Fix rpath for the qmlwebkit plugins.

[Hartmut Goebel <h.goebel@crazy-compilers.com>]

After the qtbase installation directories have been changed,
the relative RPATH in the libs no longer matched the sructure.

* gnu/packages/qt.scm(qtwebkit)[arguments]: New phase
  fix-qmlwebkit-plugins-rpath.
---
 gnu/packages/qt.scm | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index f9f1278c7..1b5058ba1 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -1684,6 +1684,15 @@ different kinds of sliders, and much more.")
     (arguments
      `(#:phases
        (modify-phases %standard-phases
+         (add-before 'configure 'fix-qmlwebkit-plugins-rpath
+           (lambda _
+             (substitute* "Source/WebKit/qt/declarative/experimental/experimental.pri"
+               (("RPATHDIR_RELATIVE_TO_DESTDIR = \\.\\./\\.\\./lib")
+                "RPATHDIR_RELATIVE_TO_DESTDIR = ../../../../../lib"))
+             (substitute* "Source/WebKit/qt/declarative/public.pri"
+               (("RPATHDIR_RELATIVE_TO_DESTDIR = \\.\\./\\.\\./lib")
+                "RPATHDIR_RELATIVE_TO_DESTDIR = ../../../../lib"))
+             #t))
          (replace 'configure
                   (lambda* (#:key outputs #:allow-other-keys)
                     (let ((out (assoc-ref outputs "out")))
-- 
2.13.5