problemas com instalaçao de programas

aee galera, estou com problemas na instaçao de softwares e quando vou instalar, que uso os comandos make, make install e ./configure da
isso ae oh:

[root@swab lmule-1.3.1]# make
make: *** Nenhum alvo indicado e nenhum arquivo make encontrado. Pare.
[root@swab lmule-1.3.1]# make install
make: *** Sem regra para processar o alvo `install'. Pare.
[root@swab lmule-1.3.1]# ./configure
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 g++... g++
checking for C++ compiler default output... 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 g++ accepts -g... yes
checking for style of include used by make... GNU
checking dependency style of g++... gcc3
checking for gcc... gcc
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 dependency style of gcc... gcc3
checking how to run the C preprocessor... gcc -E
checking for pthread_attr_init in -lpthread... yes
checking for XML_ParserCreate in -lexpat... no
configure: error: libexpat not found
[root@swab lmule-1.3.1]#

vlw, espero que me ajudem a solcuionar isso!
mtos tem essa dúvida. e desistem no meio do caminho, eu nao vou desistir!!
mais uma vez obrigado!