c#: Handle external dependencies from .pc files

mesonbuild/backend/ninjabackend.py

@@ -967,7 +967,7 @@ int dummy;
         compiler = target.compilers['cs']
         rel_srcs = [s.rel_to_builddir(self.build_to_src) for s in src_list]
         deps = []
-        commands = target.extra_args.get('cs', [])
+        commands = CompilerArgs(compiler, target.extra_args.get('cs', []))
         commands += compiler.get_buildtype_args(buildtype)
         if isinstance(target, build.Executable):
             commands.append('-target:exe')
@@ -994,6 +994,9 @@ int dummy;
                 rel_srcs.append(rel_src)
             deps.append(rel_src)
 
+        for dep in target.get_external_deps():
+            commands.extend_direct(dep.get_link_args())
+
         elem = NinjaBuildElement(self.all_outputs, outputs, 'cs_COMPILER', rel_srcs)
         elem.add_dep(deps)
         elem.add_item('ARGS', commands)

test cases/csharp/4 external dep/hello.txt

@@ -0,0 +1 @@
+Hello World!

test cases/csharp/4 external dep/meson.build

@@ -0,0 +1,4 @@
+project('C# external library', 'cs')
+glib_sharp_2 = dependency('glib-sharp-2.0')
+e = executable('prog', 'prog.cs', dependencies: glib_sharp_2, install : true)
+test('libtest', e, args: [join_paths(meson.current_source_dir(), 'hello.txt')])

test cases/csharp/4 external dep/prog.cs

@@ -0,0 +1,8 @@
+using System;
+using GLib;
+
+public class Prog {
+    static public void Main (string[] args) {
+        Console.WriteLine(GLib.FileUtils.GetFileContents(args[0]));
+    }
+}