Hi Christopher,

On Mon, 19 Nov 2018 22:22:58 +0000
Christopher Baines <mail@cbaines.net> wrote:

> ericbavier@centurylink.net writes:
> 
> > From: Eric Bavier <bavier@member.fsf.org>
> >
> > This lets qmake find qtwebkit components, allowing packages like python-pyqt
> > to find qtwebkit and enable support.
> >
> > * gnu/packages/qt.scm (qtwebkit)[arguments]: Add "ECM_MKSPECS_INSTALL_DIR"
> > to #:configure-flags.  Link with "--no-keep-memory".
> > ---
> >  gnu/packages/qt.scm | 11 ++++++++++-
> >  1 file changed, 10 insertions(+), 1 deletion(-)
> >
> > diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
> > index d48769982..36f8aef69 100644
> > --- a/gnu/packages/qt.scm
> > +++ b/gnu/packages/qt.scm
> > @@ -10,6 +10,7 @@
> >  ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
> >  ;;; Copyright © 2018 Nicolas Goaziou <mail@nicolasgoaziou.fr>
> >  ;;; Copyright © 2018 Hartmut Goebel <h.goebel@crazy-compilers.com>
> > +;;; Copyright © 2018 Eric Bavier <bavier@member.fsf.org>
> >  ;;;
> >  ;;; This file is part of GNU Guix.
> >  ;;;
> > @@ -2171,7 +2172,15 @@ different kinds of sliders, and much more.")
> >         #:configure-flags (list ;"-DENABLE_API_TESTS=TRUE"
> >                                 "-DPORT=Qt"
> >                                 "-DUSE_LIBHYPHEN=OFF"
> > -                               "-DUSE_SYSTEM_MALLOC=ON")))
> > +                               "-DUSE_SYSTEM_MALLOC=ON"
> > +                               ;; XXX: relative dir installs to build dir?
> > +                               (string-append "-DECM_MKSPECS_INSTALL_DIR="
> > +                                              %output "/lib/qt5/mkspecs/modules")
> > +                               ;; Sacrifice a little speed in order to link
> > +                               ;; libraries and test executables in a
> > +                               ;; reasonable amount of memory.
> > +                               "-DCMAKE_SHARED_LINKER_FLAGS=-Wl,--no-keep-memory"
> > +                               "-DCMAKE_EXE_LINKER_FLAGS=-Wl,--no-keep-memory")))
> >      (home-page "https://www.webkit.org")
> >      (synopsis "Web browser engine and classes to render and interact with web
> >  content")  
> 
> I've tested this, and this fixed the qtwebkit build for me, which
> currently doesn't work on master. So I'm all for merging it.

Thanks for testing it.  I assume it was the linker flags that fixed the
build on your machine?  For clarity, I suppose that change should be
moved to a separate patch.  WDYT?

`~Eric