Although most of the parameters used for file naming when building
libraries and introspection data can be replaced by variables, the
actual naming can create a lot of confusion.
This naming scheme has been improved by using clearer names and by
also using a prefix in them.
Libraries build by gitg expose a number of includes in their public
headers belonging to different libraries. Therefore, these libraries
are indirect dependencies of the library to be built.
With this in mind, these indirect dependencies are also included
when a direct dependency is included, so there is no need to include
them again.
Dependency hierarchy has been fixed and duplicated dependencies
removed.
Created `pkg-config` files requirements have also been fixed.
Some targets that are installed in default directories are using the
`install_dir`, which is not necessary.
The `install_dir` parameter has been removed from those targets that
are installed in their default directories.
We need to instance a Gtk.Widget to be able to use `get_style_context`.
Thus, we use the singleton pattern to avoid allocating an object every
time we call `is_theme_dark()`.
Fixes#133.
While installing seems to have no issues with absolute paths
for install_dir, the pkgconfig integration in meson does
and create wrong library paths in the .pc file.
https://bugzilla.gnome.org/show_bug.cgi?id=788796
meson is a build system focused on speed an ease of use, which
helps speeding up the software development. This patch adds meson
support along autotools.
https://bugzilla.gnome.org/show_bug.cgi?id=788796
