Merge pull request #140 from MathieuDuponchelle/fix_library_introspection

Fix library introspection

dependencies.py

@@ -90,6 +90,8 @@ class PkgConfigDependency(Dependency):
         else:
             pkgbin = 'pkg-config'
             type_string = 'Native'
+
+        self.pkgbin = pkgbin
         p = subprocess.Popen([pkgbin, '--modversion', name], stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE)
         out = p.communicate()[0]
@@ -142,6 +144,20 @@ class PkgConfigDependency(Dependency):
 
                 self.libs.append(lib)
 
+    def get_variable(self, variable_name):
+        p = subprocess.Popen([self.pkgbin, '--variable=%s' %
+            variable_name, self.name], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        out = p.communicate()[0]
+        if p.returncode != 0:
+            if required:
+                raise DependencyException('%s dependency %s not found.' %
+                        (type_string, self.name))
+        else:
+            variable = out.decode().strip()
+        mlog.debug ("return of subprocess : ", variable)
+
+        return variable
+
     def get_modversion(self):
         return self.modversion
 

modules/gnome.py

@@ -95,6 +95,17 @@ class GnomeModule:
                 scan_command += ['--pkg-export=%s' % pkg for pkg in pkgs]
             else:
                 raise MesonException('Gir export packages must be str or list')
+
+        deps = None
+        if 'dependencies' in kwargs:
+            deps = kwargs.pop('dependencies')
+            if not isinstance (deps, list):
+                deps = [deps]
+            for dep in deps:
+                girdir = dep.held_object.get_variable ("girdir")
+                if girdir:
+                    scan_command += ["--add-include-path=%s" % girdir]
+
         inc_dirs = None
         if kwargs.get('include_directories'):
             inc_dirs = kwargs.pop('include_directories')
@@ -121,7 +132,14 @@ class GnomeModule:
         typelib_output = '%s-%s.typelib' % (ns, nsversion)
         typelib_cmd = ['g-ir-compiler', scan_target, '--output', '@OUTPUT@']
         if inc_dirs:
-            typelib_cmd += ['--includedir=%s' % inc for inc in inc_dirs.held_object.get_incdirs()]
+            typelib_cmd += ['--includedir=%s' % inc for inc in
+                    inc_dirs.held_object.get_incdirs()]
+        if deps:
+            for dep in deps:
+                girdir = dep.held_object.get_variable ("girdir")
+                if girdir:
+                    typelib_cmd += ["--includedir=%s" % girdir]
+
         kwargs['output'] = typelib_output
         kwargs['command'] = typelib_cmd
         # Note that this can't be libdir, because e.g. on Debian it points to