-# Check pip
-- python --version
-- python -m pip --version
-# Install Mako
-- python -m pip install --egg Mako
-# Install SCons
-- python -m pip install --egg scons==2.4.1
-- scons --version
-# Install flex/bison
-- if not exist "%WINFLEXBISON_ARCHIVE%" appveyor DownloadFile "http://downloads.sourceforge.net/project/winflexbison/%WINFLEXBISON_ARCHIVE%"
-- 7z x -y -owinflexbison\ "%WINFLEXBISON_ARCHIVE%" > nul
-- set Path=%CD%\winflexbison;%Path%
-- win_flex --version
-- win_bison --version
-# Download and extract LLVM
-- if not exist "%LLVM_ARCHIVE%" appveyor DownloadFile "https://people.freedesktop.org/~jrfonseca/llvm/%LLVM_ARCHIVE%"
-- 7z x -y "%LLVM_ARCHIVE%" > nul
-- mkdir llvm\bin
-- set LLVM=%CD%\llvm