MERCURY_OPTIONS= --deep-random-write=25 --deep-std-name --mdb-disable-progress
gmake[3]: Entering directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/tests/debugger'
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/stage2/scripts/mmc --generate-dependencies --grade none.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --trace deep  --trace deep --exec-trace-tail-rec --trace-table-io-all   tailrec1 > tailrec1.dep_err 2>&1
gmake[3]: Leaving directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/tests/debugger'
gmake[3]: Entering directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/tests/debugger'
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/stage2/scripts/mmc --make-interface --grade none.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --trace deep  --trace deep --exec-trace-tail-rec --trace-table-io-all   tailrec1
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/stage2/scripts/mmc --compile-to-c --grade none.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --trace deep  --trace deep --exec-trace-tail-rec --trace-table-io-all   tailrec1 > tailrec1.err 2>&1
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/stage2/scripts/mgnuc --grade none.gc       --      -c tailrec1.c -o tailrec1.o
tailrec1.m:60:17: error: call to undeclared function 'mercury_get_byte'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   60 |     while ((c = mercury_get_byte((MercuryFilePtr) Stream)) != EOF &&
      |                 ^
tailrec1.m:60:17: error: call to undeclared function 'mercury_get_byte'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   60 |     while ((c = mercury_get_byte((MercuryFilePtr) Stream)) != EOF &&
      |                 ^
2 errors generated.
gmake[3]: *** [/tmp/mmake.bNnoWP:3113: tailrec1.o] Error 1
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/stage2/scripts/mgnuc --grade none.gc       --      -c tailrec1_init.c -o tailrec1_init.o
gmake[3]: Target 'tailrec1.runtest' not remade because of errors.
gmake[3]: Leaving directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-03-28/tests/debugger'