added withoutpyhton config to libnymea-core

libnymea-core/libnymea-core.pro

@@ -10,26 +10,31 @@ LIBS += -L$$top_builddir/libnymea/ -lnymea -lssl -lcrypto
 CONFIG += link_pkgconfig
 PKGCONFIG += nymea-mqtt nymea-networkmanager nymea-zigbee
 
-# As of Ubuntu focal, there's a commonly named python3-embed pointing to the distro version of python
+CONFIG(withoutpython) {
-# For everything below python 3.8 we need to manually select one
+    message("Building without python support.")
-packagesExist(python3-embed) {
-    PKGCONFIG += python3-embed
-    CONFIG += python
-} else:packagesExist(python-3.5) {
-    # xenial, stretch
-    PKGCONFIG += python-3.5
-    CONFIG += python
-} else:packagesExist(python-3.6) {
-    # bionic
-    PKGCONFIG += python-3.6
-    CONFIG += python
-} else:packagesExist(python-3.7) {
-    # buster, eoan
-    PKGCONFIG += python-3.7
-    CONFIG += python
-} else {
-    message("Python development package not found. Building without python support.")
     CONFIG -= python
+} else {
+    # As of Ubuntu focal, there's a commonly named python3-embed pointing to the distro version of python
+    # For everything below python 3.8 we need to manually select one
+    packagesExist(python3-embed) {
+        PKGCONFIG += python3-embed
+        CONFIG += python
+    } else:packagesExist(python-3.5) {
+        # xenial, stretch
+        PKGCONFIG += python-3.5
+        CONFIG += python
+    } else:packagesExist(python-3.6) {
+        # bionic
+        PKGCONFIG += python-3.6
+        CONFIG += python
+    } else:packagesExist(python-3.7) {
+        # buster, eoan
+        PKGCONFIG += python-3.7
+        CONFIG += python
+    } else {
+        message("Python development package not found. Building without python support.")
+        CONFIG -= python
+    }
 }
 
 target.path = $$[QT_INSTALL_LIBS]