The command-line compiler provided to build Delphi applications.
DCC32.EXE is the Delphi (Object Pascal) command line compiler.
Variant:
The Delphi (Object Pascal) command line compiler for 32-bit Windows is DCC32.exe.
The Delphi cross compiler for 64-bit Windows is DCC64.exe.
The Delphi cross compiler for Mac OS X is DCCOSX.exe.
More info on the official Embarcadero wiki: http://docwiki.embarcadero.com/RADStudio/XE2/en/DCC32.EXE,_the_Delphi_Command_Line_Compiler