# Configures the build to use Toolchain Clang to build with icecream
# cross compiling for macOS, using homebrew for local and the MongoDB
# toolchain for remote. You will need brew's llvm@7 installed.

import os
import subprocess
import SCons.Defaults

exec(open('etc/scons/xcode_macosx.vars', "rb").read())

# TODO: When we bump the toolchain, these need to move to an equivalent
# LLVM version. Currently, the stable MongoDB toolchain (v3) uses clang 7.
CC = "/usr/local/opt/llvm@7/bin/clang"
CXX = "/usr/local/opt/llvm@7/bin/clang++"

for tool in [CC, CXX]:
    try:
        result = subprocess.check_output([tool, '--version']).decode('utf-8').strip()
    except subprocess.CalledProcessError as e:
        print('Failed while invoking toolchain binary ' + CXX + ': ' + str(e.output))
        print('Please ensure that the homebrew llvm@7 package is correctly installed')
        SCons.Script.Exit(-1)
    except OSError as e:
        print('Failed to invoke toolchain binary ' + CXX + ': ' + str(e))
        print('Please install the homebrew llvm@7 package')
        SCons.Script.Exit(-1)

exec(open('etc/scons/icecream_remote_mongodbtoolchain.vars', "rb").read())