diff -rupN qt-creator-opensource-src-4.8.0-beta2/qtcreator.pro qt-creator-opensource-src-4.8.0-beta2-new/qtcreator.pro
--- qt-creator-opensource-src-4.8.0-beta2/qtcreator.pro	2018-11-15 21:32:33.000000000 +0100
+++ qt-creator-opensource-src-4.8.0-beta2-new/qtcreator.pro	2018-11-17 11:18:12.565491269 +0100
@@ -112,13 +112,13 @@ macx {
     BINDIST_SOURCE = "$$OUT_PWD/bin/$${IDE_APP_TARGET}.app"
     deployqt.commands = $$PWD/scripts/deployqtHelper_mac.sh \"$${APPBUNDLE}\" \"$$[QT_INSTALL_BINS]\" \"$$[QT_INSTALL_TRANSLATIONS]\" \"$$[QT_INSTALL_PLUGINS]\" \"$$[QT_INSTALL_IMPORTS]\" \"$$[QT_INSTALL_QML]\"
     codesign.commands = codesign --deep -s \"$(SIGNING_IDENTITY)\" $(SIGNING_FLAGS) \"$${APPBUNDLE}\"
-    dmg.commands = python -u \"$$PWD/scripts/makedmg.py\" \"$${BASENAME}.dmg\" \"Qt Creator\" \"$$IDE_SOURCE_TREE\" \"$$OUT_PWD/bin\"
+    dmg.commands = python3 -u \"$$PWD/scripts/makedmg.py\" \"$${BASENAME}.dmg\" \"Qt Creator\" \"$$IDE_SOURCE_TREE\" \"$$OUT_PWD/bin\"
     #dmg.depends = deployqt
     QMAKE_EXTRA_TARGETS += codesign dmg
 } else {
     BINDIST_SOURCE = "$(INSTALL_ROOT)$$QTC_PREFIX"
     BINDIST_EXCLUDE_ARG = "--exclude-toplevel"
-    deployqt.commands = python -u $$PWD/scripts/deployqt.py -i \"$(INSTALL_ROOT)$$QTC_PREFIX/bin/$${IDE_APP_TARGET}\" \"$(QMAKE)\"
+    deployqt.commands = python3 -u $$PWD/scripts/deployqt.py -i \"$(INSTALL_ROOT)$$QTC_PREFIX/bin/$${IDE_APP_TARGET}\" \"$(QMAKE)\"
     deployqt.depends = install
     win32 {
         deployartifacts.depends = install
@@ -140,9 +140,9 @@ isEmpty(INSTALLER_ARCHIVE_FROM_ENV) {
 INSTALLER_ARCHIVE_DEBUG = $$INSTALLER_ARCHIVE
 INSTALLER_ARCHIVE_DEBUG ~= s/(.*)[.]7z/\1-debug.7z
 
-bindist.commands = python -u $$PWD/scripts/createDistPackage.py $$OUT_PWD/$${BASENAME}.7z \"$$BINDIST_SOURCE\"
-bindist_installer.commands = python -u $$PWD/scripts/createDistPackage.py $$BINDIST_EXCLUDE_ARG $${INSTALLER_ARCHIVE} \"$$BINDIST_SOURCE\"
-bindist_debug.commands = python -u $$PWD/scripts/createDistPackage.py --debug $$BINDIST_EXCLUDE_ARG $${INSTALLER_ARCHIVE_DEBUG} \"$$BINDIST_SOURCE\"
+bindist.commands = python3 -u $$PWD/scripts/createDistPackage.py $$OUT_PWD/$${BASENAME}.7z \"$$BINDIST_SOURCE\"
+bindist_installer.commands = python3 -u $$PWD/scripts/createDistPackage.py $$BINDIST_EXCLUDE_ARG $${INSTALLER_ARCHIVE} \"$$BINDIST_SOURCE\"
+bindist_debug.commands = python3 -u $$PWD/scripts/createDistPackage.py --debug $$BINDIST_EXCLUDE_ARG $${INSTALLER_ARCHIVE_DEBUG} \"$$BINDIST_SOURCE\"
 
 win32 {
     deployqt.commands ~= s,/,\\\\,g
diff -rupN qt-creator-opensource-src-4.8.0-beta2/src/libs/3rdparty/botan/configure.py qt-creator-opensource-src-4.8.0-beta2-new/src/libs/3rdparty/botan/configure.py
--- qt-creator-opensource-src-4.8.0-beta2/src/libs/3rdparty/botan/configure.py	2018-11-15 21:32:33.000000000 +0100
+++ qt-creator-opensource-src-4.8.0-beta2-new/src/libs/3rdparty/botan/configure.py	2018-11-17 11:18:12.566491266 +0100
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 Configuration program for botan
diff -rupN qt-creator-opensource-src-4.8.0-beta2/src/libs/botan/botan.pro qt-creator-opensource-src-4.8.0-beta2-new/src/libs/botan/botan.pro
--- qt-creator-opensource-src-4.8.0-beta2/src/libs/botan/botan.pro	2018-11-15 21:32:33.000000000 +0100
+++ qt-creator-opensource-src-4.8.0-beta2-new/src/libs/botan/botan.pro	2018-11-17 11:18:12.566491266 +0100
@@ -49,7 +49,7 @@ configure.input = configure_inputs
 configure.output = $$BOTAN_BUILD_DIR/Makefile
 configure.variable_out = BOTAN_MAKEFILE
 configure.commands = cd $$BOTAN_BUILD_DIR_FOR_SHELL && \
-                     python $$CONFIGURE_FILE_PATH_FOR_SHELL \
+                     python3 $$CONFIGURE_FILE_PATH_FOR_SHELL \
                      --cc=$$BOTAN_CC_TYPE --cc-bin=$$shell_quote($$QMAKE_CXX) \
                      $$BOTAN_ARCH_SWITCH $$BOTAN_OS_SWITCH $$OTHER_FLAGS
 QMAKE_EXTRA_COMPILERS += configure