Build system now allow building plugins out of src/plugins directory

.gitignore

@@ -7,6 +7,7 @@ DEBIAN
 *.a
 *.orig
 *.qm
+*.o
 !qt_*.qm
 headers*.tar.gz
 license_template

QupZilla.pro

@@ -14,4 +14,5 @@ lessThan(QT_VERSION, 4.7) {
 mac|unix: system(test -d bin/plugins || mkdir bin/plugins)
 
 TEMPLATE = subdirs
-SUBDIRS = src
+SUBDIRS = src/lib src/main src/plugins
+CONFIG += ordered

src/plugins/plugins.pro

@@ -1,5 +1,22 @@
 TEMPLATE = subdirs
-SUBDIRS  = MouseGestures AccessKeysNavigation
+
+defineTest(addSubdir) {
+    for(subdir, 1) {
+        entries = $$files($$subdir/*)
+        for(entry, entries) {
+            fullPath = $$replace(entry, ;,"")
+            name = $$replace(fullPath, $$re_escape("$$subdir/"), "")
+            exists($$fullPath/*.pro): SUBDIRS += $$fullPath
+        }
+    }
+
+    export (SUBDIRS)
+}
+
+addSubdir($$PWD)
+
+outOfDirPlugins = $$(QUPZILLA_PLUGINS_SRCDIR)
+!equals(outOfDirPlugins, "") : addSubdir($$(QUPZILLA_PLUGINS_SRCDIR))
 
 # TestPlugin only in debug build
-CONFIG(debug, debug|release): SUBDIRS += TestPlugin
+!CONFIG(debug, debug|release): SUBDIRS -= $$PWD/TestPlugin

src/src.pro

@@ -1,3 +0,0 @@
-TEMPLATE = subdirs
-SUBDIRS = lib main plugins
-CONFIG += ordered