Hi Bazsi, Output of configure below. When I originally built on a i386 system I had an similar problem and I removed the GLIB2 which I had compiled myself and used the RedHat supplied one instead.. checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ANSI C... none needed checking for style of include used by make... GNU checking dependency style of gcc... gcc3 checking for gcc option to accept ANSI C... none needed checking for bison... bison -y checking for flex... flex checking for yywrap in -lfl... yes checking lex output file root... lex.yy checking whether yytext is a pointer... yes checking whether make sets $(MAKE)... (cached) yes checking for ranlib... ranlib checking how to enable static linking for certain libraries... GNU or Solaris checking how to run the C preprocessor... gcc -E checking for egrep... grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dmalloc.h usability... no checking dmalloc.h presence... no checking for dmalloc.h... no checking for strings.h... (cached) yes checking openssl/ssl.h usability... yes checking openssl/ssl.h presence... yes checking for openssl/ssl.h... yes checking getopt.h usability... yes checking getopt.h presence... yes checking for getopt.h... yes checking stropts.h usability... yes checking stropts.h presence... yes checking for stropts.h... yes checking sys/strlog.h usability... no checking sys/strlog.h presence... no checking for sys/strlog.h... no checking door.h usability... no checking door.h presence... no checking for door.h... no checking whether struct tm is in sys/time.h or time.h... time.h checking for struct tm.tm_gmtoff... yes checking for I_CONSLOG... no checking for O_LARGEFILE... yes checking for door_create in -ldoor... no checking for socket in -lsocket... no checking for nanosleep in -lrt... yes checking for gethostbyname in -lnsl... yes checking for regexec in -lregex... no checking for strdup... yes checking for strtol... yes checking for inet_aton... yes checking for inet_ntoa... yes checking for getopt_long... yes checking for getaddrinfo... yes checking whether to enable Sun STREAMS support... no checking whether to enable Sun door support... no checking for pkg-config... /usr/bin/pkg-config checking pkg-config is at least version 0.9.0... yes checking for GLIB... yes checking for EVTLOG... yes checking for static GLib libraries... yes configure: creating ./config.status config.status: creating dist.conf config.status: creating Makefile config.status: creating syslog-ng.spec.bb config.status: creating src/Makefile config.status: creating doc/Makefile config.status: creating doc/docvars.xml config.status: creating contrib/Makefile config.status: creating tests/Makefile config.status: creating solbuild/Makefile config.status: creating tests/unit/Makefile config.status: creating tests/functional/Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands