All: I'm having problems installing syslog-ng-2.1.1 from source on Centos 5.2. I installed eventlog successfully. Eventlog is located at /usr/local/eventlog. My configure script is below. Note, make is failing. The output is below. ./configure EVTLOG_CFLAGS=/usr/local/eventlog/include EVTLOG_LIBS=/usr/local/eventlog/lib. syslog-ng Open Source Edition 2.1.1 configured Compiler options: compiler : gcc compiler options : -g -O2 -Wall -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include /usr/local/eventlog/include -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 linker flags : -lnsl -lrt -lfl -L/lib64 -lglib-2.0 /usr/local/eventlog/lib -lwrap prefix : /usr/local Features: Sun STREAMS support : no Sun Door support : no Debug symbols : no Memtrace : no IPV6 support : yes spoof-source support : no tcp-wrapper support : yes SQL support : no [etaylor@mytest syslog-ng-2.1.1]$ make make all-recursive make[1]: Entering directory `/home/etaylor/syslog-ng-2.1.1' Making all in src make[2]: Entering directory `/home/etaylor/syslog-ng-2.1.1/src' if gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include /usr/local/eventlog/include -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -O2 -Wall -MT misc.o -MD -MP -MF ".deps/misc.Tpo" \ -c -o misc.o `test -f 'misc.c' || echo './'`misc.c; \ then mv -f ".deps/misc.Tpo" ".deps/misc.Po"; \ else rm -f ".deps/misc.Tpo"; exit 1; \ fi gcc: /usr/local/eventlog/include: linker input file unused because linking not done if gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include /usr/local/eventlog/include -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -O2 -Wall -MT utils.o -MD -MP -MF ".deps/utils.Tpo" \ -c -o utils.o `test -f 'utils.c' || echo './'`utils.c; \ then mv -f ".deps/utils.Tpo" ".deps/utils.Po"; \ else rm -f ".deps/utils.Tpo"; exit 1; \ fi gcc: /usr/local/eventlog/include: linker input file unused because linking not done if gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include /usr/local/eventlog/include -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -O2 -Wall -MT messages.o -MD -MP -MF ".deps/messages.Tpo" \ -c -o messages.o `test -f 'messages.c' || echo './'`messages.c; \ then mv -f ".deps/messages.Tpo" ".deps/messages.Po"; \ else rm -f ".deps/messages.Tpo"; exit 1; \ fi In file included from messages.c:24: messages.h:28:20: error: evtlog.h: No such file or directory In file included from messages.c:24: messages.h:54: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token messages.h:55: error: expected ')' before '*' token messages.c:41: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token messages.c: In function 'msg_send_internal_message': messages.c:47: error: 'EVT_PRI_WARNING' undeclared (first use in this function) messages.c:47: error: (Each undeclared identifier is reported only once messages.c:47: error: for each function it appears in.) messages.c: At top level: messages.c:63: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token messages.c:81: error: expected ')' before '*' token messages.c: In function 'msg_log_func': messages.c:99: error: 'EVT_PRI_INFO' undeclared (first use in this function) messages.c:102: error: 'EVT_PRI_DEBUG' undeclared (first use in this function) messages.c:104: error: 'EVT_PRI_WARNING' undeclared (first use in this function) messages.c:106: error: 'EVT_PRI_ERR' undeclared (first use in this function) messages.c:108: error: 'EVT_FAC_SYSLOG' undeclared (first use in this function) messages.c: In function 'msg_init': messages.c:123: error: 'evt_context' undeclared (first use in this function) messages.c:123: warning: implicit declaration of function 'evt_ctx_init' messages.c:123: error: 'EVT_FAC_SYSLOG' undeclared (first use in this function) messages.c: In function 'msg_deinit': messages.c:133: warning: implicit declaration of function 'evt_ctx_free' messages.c:133: error: 'evt_context' undeclared (first use in this function) make[2]: *** [messages.o] Error 1 make[2]: Leaving directory `/home/etaylor/syslog-ng-2.1.1/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/etaylor/syslog-ng-2.1.1' make: *** [all] Error 2 -- Ezra Taylor