[Bug 720778] New: gst-uninstalled requires building with libtool

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=720778
  GStreamer | gstreamer (core) | git

           Summary: gst-uninstalled requires building with libtool
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: self at brendanlong.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


When you use gst-uninstalled, the -uninstalled.pc files are used, which
directly install .la files. This is annoying when working with Qt, because
qmake's "compile_libtool" option is broken, and they seem to have no interest
in fixing it:

https://bugreports.qt-project.org/browse/QTBUG-35745

For me this is particularly annoying since WebKitGTK won't let me link against
.so files and QtWebKit won't link against .la files. I think I found a solution
though.

I'm using this sed script on our gst-uninstalled environment:

    find . -name '*-uninstalled.pc' -exec sed -i -e 's/Libs: \(-L${libdir}
\)\?\(.*\)\/lib\(.*\)\.la/Libs: -L\2 -l\3/' {} \;

Which, written in English means that any line that looks like this:

    Libs: /home/blong/gst/git/gstreamer/gst/libgstreamer-1.0.la

Turns into:

    Libs: -L/home/blong/gst/git/gstreamer/gst -lgstreamer-1.0

And any line that looks like this:

    Libs: -L${libdir} ${libdir}/libgstmpegts-1.0.la

Turns into this:

    Libs: -L${libdir} -lgstmpegts-1.0

With that change, QtWebKit and WebKitGTK both build, but I don't understand
libtool well enough to know if this is actually correct. If it is, I could make
this change in the .in files.

Does this make sense? Does this cause problems on non-Linux platforms?

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