Hi, I am facing problem while making freeradius-server-2.1.6 on RHEL5.3, however I am able to successfully build and install the freeradius-server-2.1.6 on RHEL4.0. Following are the error logs I am getting while building freeradius server on RHEL5.3. [root@VMWare freeradius-server-2.1.6]# make gmake[1]: Entering directory `/home/freeradius-server-2.1.6' Making all in libltdl... gmake[2]: Entering directory `/home/freeradius-server-2.1.6/libltdl' /usr/bin/gmake all-am gmake[3]: Entering directory `/home/freeradius-server-2.1.6/libltdl' /bin/sh ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I. -g -O2 -c -o ltdl.lo ltdl.c mkdir .libs gcc -DHAVE_CONFIG_H -I. -I. -I. -g -O2 -c ltdl.c -fPIC -DPIC -o .libs/ltdl.o ltdl.c: In function 'lt_dladderror': ltdl.c:967: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'tryall_dlopen_module': ltdl.c:2482: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2483: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2484: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'canonicalize_path': ltdl.c:2575: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2576: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'argzize_path': ltdl.c:2639: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2640: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2641: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'foreach_dirinpath': ltdl.c:2710: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'find_file_callback': ltdl.c:2750: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2751: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:2752: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'try_dlopen': ltdl.c:3068: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3069: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3095: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3127: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3333: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'lt_dlopenext': ltdl.c:3477: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'lt_argz_insertinorder': ltdl.c:3606: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3607: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3608: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'lt_argz_insertdir': ltdl.c:3636: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3637: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3638: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3672: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'list_files_by_dir': ltdl.c:3697: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3698: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3699: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3700: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c: In function 'lt_dlpath_insertdir': ltdl.c:3993: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:3994: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:4002: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:4007: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:4008: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:4017: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:4032: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type ltdl.c:4033: warning: passing argument 4 of '__assert_fail' discards qualifiers from pointer target type /usr/include/argz.h: In function 'argz_next': /usr/include/argz.h:181: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://bugzilla.redhat.com/bugzilla> for instructions. Preprocessed source stored into /tmp/ccYFkazU.out file, please attach this to your bugreport. gmake[3]: *** [ltdl.lo] Error 1 gmake[3]: Leaving directory `/home/freeradius-server-2.1.6/libltdl' gmake[2]: *** [all] Error 2 gmake[2]: Leaving directory `/home/freeradius-server-2.1.6/libltdl' gmake[1]: *** [common] Error 2 gmake[1]: Leaving directory `/home/freeradius-server-2.1.6' make: *** [all] Error 2 [root@VMWare freeradius-server-2.1.6]# gcc version gcc: version: No such file or directory gcc: no input files Is there any compatibility issues between freeradius and RHEL5.3? Is there any way out to successfully build freeradius server on RHEL5.3 ? Thanks & Regards, Kamal