make[1]: Entering directory `/root/openser/modules/xmpp' In file included from xstream.c:22: xode.h:31:19: error: expat.h: No such file or directory In file included from xsnprintf.c:58: xode.h:31:19: error: expat.h: No such file or directory In file included from xpool.c:42: xode.h:31:19: error: expat.h: No such file or directory In file included from xode_str.c:22: xode.h:31:19: error: expat.h: No such file or directory In file included from xode_from.c:22: xode.h:31:19: error: expat.h: No such file or directory In file included from xode.c:22: xode.h:31:19: error: expat.h: No such file or directory In file included from xmpp_server.c:94: xode.h:31:19: error: expat.h: No such file or directory In file included from xmpp_component.c:52: xode.h:31:19: error: expat.h: No such file or directory In file included from xmpp.c:97: xode.h:31:19: error: expat.h: No such file or directory Compiling xmpp.c gcc -fPIC -DPIC -g -O9 -funroll-loops -Wcast-align -Wall -minline-all-stringops -falign-loops -ftree-vectorize -mtune=athlon64 -Wold-style-definition -Wmissing-field-initializers -DMOD_NAME='"xmpp"' -DNAME='"openser"' -DVERSION='"1.3.0-pre1-notls"' -DARCH='"i386"' -DOS='"linux"' -DCOMPILER='"gcc 4.2.3"' -D__CPU_i386 -D__OS_linux -D__SMP_yes -DCFG_DIR='"/usr/local/etc/openser/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DUSE_IPV6 -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DSTATISTICS -DCHANGEABLE_DEBUG_LEVEL -DDBG_QM_MALLOC -DSVNREVISION='"2:3254M"' -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_EPOLL -DHAVE_SIGIO_RT -DHAVE_SELECT -I/usr/local/include -c xmpp.c -o xmpp.o In file included from xmpp.c:97: xode.h:31:19: error: expat.h: No such file or directory In file included from xmpp.c:97: xode.h:281: error: expected specifier-qualifier-list before â€کXML_Parser’ make[1]: *** [xmpp.o] Error 1 make[1]: Leaving directory `/root/openser/modules/xmpp' make: *** [modules] Error 2