problem installing subversion

[Richard B. Pyne]

configure: Configuring Subversion 1.6.17
configure: creating config.nice
checking for gcc... gcc
checking for C compiler default output file name...
configure: error: in `/usr/src/subversion-1.6.17':
configure: error: C compiler cannot create executables
See `config.log' for more details.
Creating /var/log/lunar/compile/subversion-1.6.17.bz2
! Problem detected during BUILD

no other modules appear to have a problem with gcc working.