Have the configure script look for rlim_t in That's where POSIX says it should be. Some libcs will include its definition via as well, but musl doesn't. Signed-off-by: Maarten ter Huurne --- xinetd-2.3.15.orig/configure 2007-09-20 16:58:27.000000000 +0200 +++ xinetd-2.3.15/configure 2014-09-16 17:20:22.787665449 +0200 @@ -7909,7 +7909,7 @@ cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ -#include +#include #if STDC_HEADERS #include #endif