graphics::wayland::weston: make this a multipackage

Weston provides a libweston, others may want to use.

Author: sixtyfourktec

recipes/graphics/wayland/weston.yaml

@@ -78,7 +78,23 @@ buildScript: |
                 install/etc/init.d/S80weston.sh
         fi
 
-packageScript: |
-    mesonPackageTgt
+multiPackage:
+    "":
+        depends:
+            - name: graphics::wayland::weston-tgt
+              use: []
+        packageScript: mesonPackageBin
+        provideDeps: [ "*-tgt" ]
 
-provideDeps: [ "*-tgt" ]
+    dev:
+        packageScript: |
+            mesonPackageDev
+            installCopy "$1/install/" \
+                "/usr/" "/usr/share/" \
+                "/usr/share/libweston-14/" \
+                "/usr/share/libweston-14/protocols/"
+        provideDeps: [ "*-dev" ]
+
+    tgt:
+        packageScript: mesonPackageLib
+        provideDeps: [ "*-tgt" ]