[Error Error] Invalid PLATFORM variable "MCD". PLATFORM must be one of the following: "Win32", "Win64", or "OSX32". If PLATFORM is defined by your system's environment, it must be overridden in the RAD Studio IDE or passed explicitly on the command line to MSBuild; e.g., /p:Platform=Win32. Delphi XE2 -de programı compile etdikdə bu problem gelir....Birde heç bir kitabxananı oxumur.