Don't use dpkg specific tools to set install path

nymea-plugins.pro

@@ -49,8 +49,6 @@ PLUGIN_DIRS = \
     ws2812              \
 
 
-CONFIG+=all
-
 message(============================================)
 message("Qt version:" $$[QT_VERSION])
 
@@ -73,12 +71,9 @@ QMAKE_EXTRA_TARGETS += lrelease
 
 # For Qt-Creator's code model: Add CPATH to INCLUDEPATH explicitly
 INCLUDEPATH += $$(CPATH)
-message(" cpath is $$(CPATH)")
 
 # Verify if building only a selection of plugins
 contains(CONFIG, selection) {
-    CONFIG-=all
-
     # Check each plugin if the subdir exists
     for(plugin, PLUGINS) {
         contains(PLUGIN_DIRS, $${plugin}) {
@@ -88,9 +83,7 @@ contains(CONFIG, selection) {
         }
     }
     message("Building plugin selection: $${SUBDIRS}")
-}
-
-all {
+} else {
     SUBDIRS *= $${PLUGIN_DIRS}
     message("Building all plugins")
 }

plugins.pri

@@ -4,13 +4,13 @@ CONFIG += plugin
 QMAKE_CXXFLAGS += -Werror -std=c++11 -g
 QMAKE_LFLAGS += -std=c++11
 
-INCLUDEPATH += /usr/include/nymea
+# FIXME: Ideally libnymea-dev would ship pkgconfig files so we get libnymea includes from there
+INCLUDEPATH += $$[QT_INSTALL_HEADERS]/../nymea
+
 LIBS += -lnymea
 HEADERS += $${OUT_PWD}/plugininfo.h \
            $${OUT_PWD}/extern-plugininfo.h
 
-PLUGIN_PATH=/usr/lib/$$system('dpkg-architecture -q DEB_HOST_MULTIARCH')/nymea/plugins/
-
 # Check if this is a snap build
 snappy{
     INCLUDEPATH+=$$(SNAPCRAFT_STAGE)/usr/include/nymea
@@ -55,6 +55,6 @@ translations.files = $$[QT_SOURCE_TREE]/translations/*.qm
 TRANSLATIONS += $$files($$[QT_SOURCE_TREE]/translations/*.ts, true)
 
 # Install plugin
-target.path = $$PLUGIN_PATH
+target.path = $$[QT_INSTALL_LIBS]/nymea/plugins/
 INSTALLS += target translations