Exit Codes from NMAKE

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NMAKE returns the following exit codes:

Code Meaning
0 No error (possibly a warning)
1 Incomplete build (issued only when /K is used)
2 Program error, possibly due to one of the following:
  • A syntax error in the makefile
  • An error or exit code from a command
  • An interruption by the user
4 System error — out of memory
255 Target is not up-to-date (issued only when /Q is used)