Undefined rlim_t during compilation of maestro-core

After attempting to build https://gitlab.version.fz-juelich.de/maestro/maestro-core/-/commit/65cd992bd1e104783f45346a29d2bab2666fb875 we are getting: core.c(306): error: identifier "rlim_t" is undefined After including: #include <sys/resource.h> in maestro/core.c compilation passed.