+# Install python wheels, necessary to install SCons via pip
+- python -m pip install wheel
# Install SCons
# Install SCons
-- python -m pip install --egg scons==2.4.1
+- python -m pip install scons==2.5.1
- scons --version
# Install flex/bison
- scons --version
# Install flex/bison
-- if not exist "%WINFLEXBISON_ARCHIVE%" appveyor DownloadFile "http://downloads.sourceforge.net/project/winflexbison/%WINFLEXBISON_ARCHIVE%"
+- if not exist "%WINFLEXBISON_ARCHIVE%" appveyor DownloadFile "https://downloads.sourceforge.net/project/winflexbison/old_versions/%WINFLEXBISON_ARCHIVE%"
- 7z x -y -owinflexbison\ "%WINFLEXBISON_ARCHIVE%" > nul
- set Path=%CD%\winflexbison;%Path%
- win_flex --version
- 7z x -y -owinflexbison\ "%WINFLEXBISON_ARCHIVE%" > nul