Buenas a todos... Queria consultar por un problema: estoy tratando de instalar programas compilándolos, pero siempre me sale el mismo error. Aquí les pongo la salida del comando ./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 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 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 ISO C89... none needed checking dependency style of gcc... gcc3 checking how to run the C preprocessor... /lib/cpp configure: error: C preprocessor "/lib/cpp" fails sanity check See `config.log' for more details. El paquete cpp está debidamente instalado...no se que puede ser.