Dear Sir I´m trying to install nagios 1.0 (stable) in one Red Hat server (version 7.3) and occurs the following error: # ./configure # make all cd ./base && make make[1]: Entering directory `/home/nagios/nagios-1.0/base' gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o checks.o checks.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o config.o config.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o commands.o commands.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o flapping.o flapping.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o logging.o logging.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o notifications.o notifications.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o sehandlers.o sehandlers.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o utils.o utils.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o sretention.o sretention.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE -c -o perfdata.o perfdata.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCORE nagios.c checks.o config.o commands.o flapping.o logging.o notifications.o sehandlers.o utils.o sretention.o ../xdata/xrddefault.c ../common/comments.c ../xdata/xcddefault.c ../common/objects.c ../xdata/xodtemplate.c ../common/statusdata.c ../xdata/xsddefault.c perfdata.o ../xdata/xpddefault.c ../common/downtime.c ../xdata/xdddefault.c -lm -o nagios make[1]: Leaving directory `/home/nagios/nagios-1.0/base' cd ./cgi && make make[1]: Entering directory `/home/nagios/nagios-1.0/cgi' gcc -g -O2 -DHAVE_CONFIG_H -DNSCGI -c -o getcgi.o getcgi.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCGI -c -o cgiutils.o cgiutils.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCGI -c -o auth.o auth.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCGI -c -o popen.o popen.c gcc -g -O2 -DHAVE_CONFIG_H -DNSCGI avail.c getcgi.o cgiutils.o auth.o popen.o ../common/objects.c ../xdata/xodtemplate.c ../common/statusdata.c ../xdata/xsddefault.c -o avail.cgi ../xdata/xodtemplate.c: In function `xodtemplate_duplicate_objects': ../xdata/xodtemplate.c:3185: Internal error: Segmentation fault. Please submit a full bug report. See <URL:http://bugzilla.redhat.com/bugzilla/> for instructions. make[1]: *** [avail.cgi] Error 1 make[1]: Leaving directory `/home/nagios/nagios-1.0/cgi' make: *** [all] Error 2 Apparently, there are problems with the gcc, but seems very strange to me. I couldn´t find anything about it in the docs of nagios and Red Hat. Anyone has any idea to help me? Thanks (a lot) in advance _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Administraçao da Rede FACIN / PUCRS Fone: +55 51 3320-3558 r. 4184 Fax : +55 51 3320-3758 Av. Ipiranga, 6681 - 90619.900 Prédio 30 - Sala 145 Porto Alegre - RS - Brasil _\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\