how do you build a 64-bit library on IRIX

[Brian Gough]

William Brower writes:
 > This all seems to work except that there seems to be bug in gsl.m4
 > in extracting the major/minor/micro version numbers.  The subtle
 > difference is the argument passed to GSL_CONFIG. In the first two
 > cases, it gets sent "--with-gsl-exec-prefix=/a/certain/place" which
 > is wrong (gsl-config doesn't accept that (any?) argument).

Thanks for the bug report I've cleaned up the gsl.m4 file in CVS now.