Index: mkspecs/features/functions.prf
--- mkspecs/features/functions.prf.orig
+++ mkspecs/features/functions.prf
@@ -44,11 +44,11 @@ defineReplace(which) {
 
 # Returns the unquoted path to the python executable.
 defineReplace(pythonPath) {
-    isEmpty(QMAKE_PYTHON2) {
+    isEmpty(QMAKE_PYTHON) {
         # Fallback for building QtWebEngine with Qt < 5.8
-        QMAKE_PYTHON2 = python
+        QMAKE_PYTHON = python
     }
-    return($$QMAKE_PYTHON2)
+    return($$QMAKE_PYTHON)
 }
 
 # Returns the python executable for use with shell / make targets.
@@ -81,6 +81,10 @@ defineReplace(gnWebEngineArgs) {
         include($$QTWEBENGINE_ROOT/src/buildtools/config/linux.pri)
         include($$QTWEBENGINE_ROOT/src/core/config/linux.pri)
     }
+    openbsd {
+        include($$QTWEBENGINE_ROOT/src/buildtools/config/openbsd.pri)
+        include($$QTWEBENGINE_ROOT/src/core/config/openbsd.pri)
+    }
     macos {
         include($$QTWEBENGINE_ROOT/src/buildtools/config/mac_osx.pri)
         include($$QTWEBENGINE_ROOT/src/core/config/mac_osx.pri)
@@ -95,6 +99,7 @@ defineReplace(gnWebEngineArgs) {
 
 defineReplace(gnPdfArgs) {
     linux: include($$QTWEBENGINE_ROOT/src/buildtools/config/linux.pri)
+    openbsd: include($$QTWEBENGINE_ROOT/src/buildtools/config/opebsd.pri)
     macos: include($$QTWEBENGINE_ROOT/src/buildtools/config/mac_osx.pri)
     ios: include($$QTWEBENGINE_ROOT/src/pdf/config/ios.pri)
     win32: include($$QTWEBENGINE_ROOT/src/buildtools/config/windows.pri)
@@ -119,6 +124,7 @@ defineReplace(gnOS) {
     macos: return(mac)
     win32: return(win)
     linux: return(linux)
+    openbsd: return(openbsd)
     error(Unsupported platform)
     return(unknown)
 }