[vala] support .deps files when using new .gir files.

[Robert James Taylor <robtaylor src gnome org>]

commit 6cb16f26ef6ee3fe8b6eee492d67a8d52e2fb0b6
Author: Rob Taylor <rob taylor codethink co uk>
Date:   Mon Jun 8 16:36:01 2009 +0100

    support .deps files when using new .gir files.

 vapigen/valavapigen.vala |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/vapigen/valavapigen.vala b/vapigen/valavapigen.vala
index bed7238..4b8f352 100644
--- a/vapigen/valavapigen.vala
+++ b/vapigen/valavapigen.vala
@@ -126,7 +126,22 @@ class Vala.VAPIGen : Object {
 				}
 			}
 		}
-		
+
+		// depsfile for gir case
+		if (library != null) {
+			var depsfile = library + ".deps";
+			if (FileUtils.test (depsfile, FileTest.EXISTS)) {
+
+				string[] deps = get_packages_from_depsfile (depsfile);
+
+				foreach (string dep in deps) {
+					if (!add_package (dep)) {
+						Report.error (null, "%s not found in specified Vala API directories".printf (dep));
+					}
+				}
+			}
+		}
+
 		if (packages != null) {
 			foreach (string package in packages) {
 				if (!add_package (package)) {