libdazzle: importing for gjs updating

Signed-off-by: chengguipeng <chengguipeng1@huawei.com>

libdazzle.spec

@@ -0,0 +1,70 @@
+Name:           libdazzle
+Version:        3.37.1
+Release:        1
+Summary:        Experimental new features for GTK+ and GLib
+License:        GPLv3+
+URL:            https://git.gnome.org/browse/libdazzle/
+Source0:        https://download.gnome.org/sources/%{name}/3.37/%{name}-%{version}.tar.xz
+
+BuildRequires:  gtk-doc meson vala gtk3-devel >= 3.24.0 glib2-devel >= 2.57.2 gobject-introspection-devel
+
+# for tests
+BuildRequires:  xorg-x11-server-Xvfb words
+
+Requires:       glib2 >= 2.57.2 gtk3 >= 3.24.0
+
+%description
+libdazzle is a collection of fancy features for GLib and Gtk+ that aren't quite
+ready or generic enough for use inside those libraries.
+
+%package        devel
+Summary:        Development files for %{name}
+Requires:       %{name} = %{version}-%{release}
+
+%description    devel
+The %{name}-devel package contains libraries and header files for
+developing applications that use %{name}.
+
+%package_help
+
+%prep
+%autosetup -p1
+
+%build
+%meson -D enable_gtk_doc=true
+%meson_build
+
+%install
+%meson_install
+
+%check
+xvfb-run -w 10 ninja test %{__ninja_common_opts} -C %{_vpath_builddir}
+
+%files
+%license COPYING
+%doc AUTHORS NEWS
+%{_bindir}/dazzle-list-counters
+%{_libdir}/libdazzle-1.0.so.*
+%dir %{_libdir}/girepository-1.0
+%{_libdir}/girepository-1.0/Dazzle-1.0.typelib
+
+%files devel
+%dir %{_datadir}/gir-1.0
+%{_datadir}/gir-1.0/Dazzle-1.0.gir
+%dir %{_datadir}/gtk-doc
+%dir %{_datadir}/gtk-doc/html
+%{_datadir}/gtk-doc/html/libdazzle
+%dir %{_datadir}/vala
+%dir %{_datadir}/vala/vapi
+%{_datadir}/vala/vapi/libdazzle-1.0.*
+%{_includedir}/*
+%{_libdir}/*.so
+%{_libdir}/pkgconfig/libdazzle-1.0.pc
+
+%files help
+%doc README.md
+%doc CONTRIBUTING.md examples
+
+%changelog
+* Sat Sep 19 2020 chengguipeng<chengguipeng1@huawei.com> - 3.37.1-1
+- Package init 

libdazzle.yaml

@@ -0,0 +1,5 @@
+git_url: https://gitlab.gnome.org/GNOME/libdazzle
+version_control: gitlab.gnome
+src_repo: libdazzle
+tag_prefix:
+seperator: "."