Workaround fix to get PACKAGE_OS propagating to OSX builds
Workaround fix to get PACKAGE_OS propagating to OSX builds

JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio