There's too many changes that are not specifically Makefile-related, resulting in a pretty bad signal/noise ratio for PRs that I'm auto-assigned to.
sed -i "s/ddmd/dmd/g" -i **/*.sdl sed -i "s/ddmd/dmd/g" -i **/*.mak sed -i "s/ddmd/dmd/g" -i **/*.visualdproj sed -i "s/ddmd/dmd/g" -i **/*.vcxproj sed -i "s/ddmd/dmd/g" -i **/*.filters sed -i "s/ddmd/dmd/g" -i CODEOWNERS