redhat9 and freeradius1.0.1

hello I wont to compile freeradius on a redhat9, the make stop with this error somebody can help me best regards dom gmake[4]: Entre dans le répertoire `/usr/src/redhat/BUILD/freeradius-1.0.1/src/lib' gcc -g -O2 -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DOPENSSL_NO_KRB5 -Wall -D_GNU_SOURCE -g -

problem with rlm_unix

hello I compile freeradius 1.0.1 without problem on trustix linux system : I run the command #CFLAGS="-I/usr/include/etc" . configure for the problem of com_err.h #make #make install but when I run the server radius : /usr/