Gobject introspection is inherently hostile to cross compilation
environments as it requires running a cross-compiled binary with the qemu
emulator. That does not always work, and if it does not, your build will
break. So there must be a way to turn it off when it happens.

Alex

On Sat, 22 Jan 2022 at 20:29, Markus Volk <f_l_k@t-online.de> wrote:

> I tried to make the 'folks' backends buildable and it turned out, that
> there are some more places where vala introspection is missing.
>
>
> https://github.com/openembedded/meta-openembedded/blob/461c04657c3151629b503fe134e9d672520aacbb/meta-gnome/recipes-gnome/evolution-data-server/evolution-data-server.bb#L34
>
>
> https://github.com/openembedded/meta-openembedded/blob/566049b4f1ddc049c1f89a5838d1a71bb429faa3/meta-oe/recipes-connectivity/telepathy/telepathy-glib_0.24.1.bb#L17
>
>
> Most gnome projects meanwhile make gobject-introspection mandatory and i
> can really feel why they are doing so for two important reasons.
>
> First it is just mandatory if you want to be able to build the whole
> gnome universe and second it is in my option one of the greatest
> features of gtk to be able to write code for it in almost every language
> available. This should not be an optional feature so people could rely
> on it.
>
> In both recipes introspection is disabled by default and dependent on
> 'GI_DATA_ENABLED=true'. Wouldn't it be a good idea to just enable
> Introspection by default? We already inherit gobject-introspection anyway.
>
> There are also some more issues in libgdata and libical with
> introspection i was able to fix locally. Will send patches for it if
> it'll be ok making introspection mandatory.
>
> Am 20.01.22 um 21:36 schrieb Markus Volk:
> > Signed-off-by: Markus Volk <f_l_k@t-online.de>
> > ---
> >   .../folks/folks_0.15.4.bb                     | 24 +++++++++++++++++++
> >   1 file changed, 24 insertions(+)
> >   create mode 100644 meta-gnome/recipes-connectivity/folks/
> folks_0.15.4.bb
> >
> > diff --git a/meta-gnome/recipes-connectivity/folks/folks_0.15.4.bb
> b/meta-gnome/recipes-connectivity/folks/folks_0.15.4.bb
> > new file mode 100644
> > index 000000000..b4ca551c8
> > --- /dev/null
> > +++ b/meta-gnome/recipes-connectivity/folks/folks_0.15.4.bb
> > @@ -0,0 +1,24 @@
> > +SUMMARY = "Folks is a contact aggregation library."
> > +LICENSE = "LGPLv2.1"
> > +LIC_FILES_CHKSUM = "file://COPYING;md5=2d5025d4aa3495befef8f17206a5b0a1"
> > +
> > +DEPENDS = " \
> > +    glib-2.0 \
> > +    libgee \
> > +    libxml2 \
> > +    dbus-glib \
> > +    telepathy-glib \
> > +"
> > +
> > +GNOMEBASEBUILDCLASS = "meson"
> > +
> > +# gobject-introspection is mandatory and cannot be configured
> > +REQUIRED_DISTRO_FEATURES = "gobject-introspection-data"
> > +GIR_MESON_OPTION = ""
> > +
> > +EXTRA_OEMESON = "-Deds_backend=false -Dbluez_backend=false
> -Dofono_backend=false -Dtelepathy_backend=false"
> > +
> > +inherit gnomebase gettext gobject-introspection vala features_check
> > +
> > +SRC_URI[archive.sha256sum] =
> "e71099afc9e88fad4e757ae134bc3fd63e12b901ad62b0ed5536afb79124af5f"
> > +
>
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