gnatprep

Preprocessor for Ada source code files (part of the GNAT toolchain). More information: https://gcc.gnu.org/onlinedocs/gnat_ugn/Preprocessing-with-gnatprep.html.

• Use symbol definitions from a file:
  gnatprep {{source_file}} {{target_file}} {{definitions_file}}
• Specify symbol values in the command-line:
  gnatprep -D{{name}}={{value}} {{source_file}} {{target_file}}