> ftp://alpha.gnu.org/gnu/gsl/gsl-1.99.91.tar.gz
> 1) ./configure ; make ; make check Success for CFLAGS=-O3 ./configure && make -j && make check on gcc (Ubuntu 4.9.2-10ubuntu13) 4.9.2. Success for CC=clang CFLAGS=-O3 ./configure && make -j && make check on clang version 3.6.0-2ubuntu1. As others have noted clang makes serveral bugfix suggestions in its build output including abs/fabs changes. If someone out there has access to the Intel compilers, please kick the tires. A friend has reported that icc 12.1 has problems on these alphas. I have registered to try to get access to https://software.intel.com/en-us/qualify-for-free-software/opensourcecontributor to see if I can figure out what's happening. > 2) cd doc ; make ps Success
