[Nexus-developers] CVS update: nexus

[Freddie Akeroyd]

Update of /isis/cvs/repository/nexus
In directory otak.nd.rl.ac.uk:/home/faa/nexus

Modified Files:
	configure.ac configure 
Log Message:
Added in macro AC_CHECK_C_OPTION and used it to check for
-no-cpp-precomp (and as a test -some-invalid-option)
Ray, can you try this on Darwin? Strangely, on my version of
gcc it returns success when you pass it an invalid compiler switch
and still produces an object file ...