hello: I'm trying to configure gcc in my objdir from a separate source directory as recommended. I've installed gmp via apt-get. from: ubuntu 6.06 gcc-4.1.2 i686-pc-linux-gnu critical part of my config.log: configure:2177: checking how to compare bootstrapped objects configure:2281: checking for correct version of gmp.h configure:2294: gcc -c -g -O2 conftest.c 1>&5 configure:2284:17: error: gmp.h: No such file or directory configure: In function 'main': configure:2288: error: 'choke' undeclared (first use in this function) configure:2288: error: (Each undeclared identifier is reported only once configure:2288: error: for each function it appears in.) configure:2288: error: syntax error before 'me' configure: failed program was: #line 2283 "configure" #include "confdefs.h" #include "gmp.h" int main() { #if __GNU_MP_VERSION < 3 choke me #endif ; return 0; } can anybody help me? Thanks in advance. Rafael www.astrocosas.com