> + if (lb > _POSIX_RE_DUP_MAX || (ub > _POSIX_RE_DUP_MAX &&
> + ub != INFINITE_REPEAT))
> + flexfatal(_("repetition value too large"));
> +
This breaks the build of devel/doxygen:
[124/263] cd /usr/ports/pobj/doxygen-1.15.0/doxygen-1.15.0/src &&
/usr/local/bin/cmake -E make_directory
/usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src && /usr/bin/flex
-o/usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src/pre_intermediate.cpp
/usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src/pre.l
FAILED: generated_src/pre_intermediate.cpp
/usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src/pre_intermediate.cpp
cd /usr/ports/pobj/doxygen-1.15.0/doxygen-1.15.0/src && /usr/local/bin/cmake -E
make_directory /usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src &&
/usr/bin/flex
-o/usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src/pre_intermediate.cpp
/usr/ports/pobj/doxygen-1.15.0/build-amd64/generated_src/pre.l
flex: fatal internal error, repetition value too large
ninja: build stopped: subcommand failed.