> I tried installing the Qhull package which is an optional package on
> the list at http://www.sagemath.org/packages/optional/, but i got the
> error below. It appears that /usr/include/float.h can't be found, but
> i *do* have that file.
I'm not sure whether this is a Sage-related issue. Could be revealing
a preexisting config problem on your system in your gcc install. The
relevant line of float.h appears to be
#include_next <float.h>
which tries to find the *next* float.h in the include path after the
current one, and it's that second float.h that it's failing to find.
But I'm not sure why gcc is looking in /usr/include/float.h. I think
it should pick up your equivalent of
/usr/lib/gcc/i686-apple-darwin10/4.2.1/include/float.h first instead,
and never make it to /usr/include/float.h in the first place. It
feels kind of like gcc doesn't know where it lives.
Does the code
#include <float.h>
int main(){return 0;}
compile for you? [gcc -E and gcc -v output if possible.]
Doug
--
Department of Earth Sciences
University of Hong Kong
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