call "%VS90COMNTOOLS%..\..\VC\vcvarsall.bat" AMD64 cd . nmake -f external_test.mk GENERATE_REPORT=0 GENERATE_ASAP2=0 OPTS="-DTID01EQ=1" @if errorlevel 1 goto error_exit exit /B 0 :error_exit echo The make command returned an error of %errorlevel% An_error_occurred_during_the_call_to_make