vala: add support for --target-glib

Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>

dependencies.py

@@ -110,17 +110,17 @@ class PkgConfigDependency(Dependency):
             self.modversion = out.decode().strip()
             mlog.log('%s dependency' % self.type_string, mlog.bold(name), 'found:',
                      mlog.green('YES'), self.modversion)
-            version_requirement = kwargs.get('version', None)
-            if version_requirement is None:
+            self.version_requirement = kwargs.get('version', None)
+            if self.version_requirement is None:
                 self.is_found = True
             else:
-                if not isinstance(version_requirement, str):
+                if not isinstance(self.version_requirement, str):
                     raise DependencyException('Version argument must be string.')
-                self.is_found = mesonlib.version_compare(self.modversion, version_requirement)
+                self.is_found = mesonlib.version_compare(self.modversion, self.version_requirement)
                 if not self.is_found and self.required:
                     raise DependencyException(
                         'Invalid version of a dependency, needed %s %s found %s.' %
-                        (name, version_requirement, self.modversion))
+                        (name, self.version_requirement, self.modversion))
             if not self.is_found:
                 return
             p = subprocess.Popen([pkgbin, '--cflags', name], stdout=subprocess.PIPE,

ninjabackend.py

@@ -709,6 +709,8 @@ class NinjaBackend(backends.Backend):
                 args += valac.get_werror_args()
             for d in target.external_deps:
                 if isinstance(d, dependencies.PkgConfigDependency):
+                    if d.name == 'glib-2.0' and d.version_requirement is not None:
+                        args += ['--target-glib', d.version_requirement[2:]]
                     args += ['--pkg', d.name]
             args += vapi_src
             generated_c += [relsc]

test cases/vala/5 target glib/GLib.Thread.vala

@@ -0,0 +1,41 @@
+public class MyThread : Object {
+	public int x_times { get; private set; }
+
+	public MyThread (int times) {
+		this.x_times = times;
+	}
+
+	public int run () {
+		for (int i = 0; i < this.x_times; i++) {
+			stdout.printf ("ping! %d/%d\n", i + 1, this.x_times);
+			Thread.usleep (10000);
+		}
+
+		// return & exit have the same effect
+		Thread.exit (42);
+		return 43;
+	}
+}
+
+public static int main (string[] args) {
+	// Check whether threads are supported:
+	if (Thread.supported () == false) {
+		stderr.printf ("Threads are not supported!\n");
+		return -1;
+	}
+
+	try {
+		// Start a thread:
+		MyThread my_thread = new MyThread (10);
+		Thread<int> thread = new Thread<int>.try ("My fst. thread", my_thread.run);
+
+		// Wait until thread finishes:
+		int result = thread.join ();
+		// Output: `Thread stopped! Return value: 42`
+		stdout.printf ("Thread stopped! Return value: %d\n", result);
+	} catch (Error e) {
+		stdout.printf ("Error: %s\n", e.message);
+	}
+
+	return 0;
+}

test cases/vala/5 target glib/meson.build

@@ -0,0 +1,6 @@
+project('valatest', 'vala', 'c')
+
+valadeps = [dependency('glib-2.0', version : '>=2.32'), dependency('gobject-2.0')]
+
+e = executable('valaprog', 'GLib.Thread.vala', dependencies : valadeps)
+test('valatest', e)