On Mon, 19 Nov 2018 22:22:44 -0600
Eric Bavier <ericbavier@centurylink.net> wrote:

> 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?

I've split this patch in two and pushed as

0995a5692cb85418b2d5f21c24d46ee4aa9fb7c9 and
ebdb15bc3540b1901f223bc0689bae51a2f88fc4

`~Eric