DEPS _build/NINJA/asdl.asdl_main/deps.txt
DEPS _build/NINJA/core.optview_gen/deps.txt
DEPS _build/NINJA/frontend.consts_gen/deps.txt
DEPS _build/NINJA/frontend.flag_gen/deps.txt
DEPS _build/NINJA/frontend.lexer_gen/deps.txt
DEPS _build/NINJA/frontend.option_gen/deps.txt
DEPS _build/NINJA/ysh.grammar_gen/deps.txt
DEPS _build/NINJA/osh.arith_parse_gen/deps.txt
DEPS _build/NINJA/frontend.signal_gen/deps.txt
DEPS _build/NINJA/cpp.embedded_file_gen/deps.txt
DEPS _build/NINJA/bin.osh_eval/all.txt _build/NINJA/bin.osh_eval/translate.txt _build/NINJA/bin.osh_eval/typecheck.txt
DEPS _build/NINJA/bin.oils_for_unix/all.txt _build/NINJA/bin.oils_for_unix/translate.txt _build/NINJA/bin.oils_for_unix/typecheck.txt
DEPS _build/NINJA/yaks.yaks_main/all.txt _build/NINJA/yaks.yaks_main/translate.txt _build/NINJA/yaks.yaks_main/typecheck.txt
DEPS prebuilt/ninja/mycpp.mycpp_main/deps.txt prebuilt/ninja/pea.pea_main/deps.txt

./configure: Turned on -D GC_TIMING because $_OIL_DEV is set
./configure: Wrote _build/detected-cpp-config.h
./configure: Wrote _build/detected-config.sh
  (build/ninja_main.py) -> build.ninja (3004 targets)
ninja: error: '_gen/frontend/help_meta.h', needed by '_build/preprocessed/cxx-dbg/_gen/bin/oils_for_unix.mycpp.cc', missing and no known rule to make it