Update License field to SPDX

Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

Install the man page directly

Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild

Explicitly BR autoconf/automake, not just libtool

Add a man page for the “config” script

Add comment about SIMD to spec file

Remove a stray newline

Express givaro BR with pkgconfig(…)

Use pkgconf to set up flexiblas

Let autoreconf be considered a build step

Build Doxygen documentation as PDF

Remove accommodations for F32 and older

Minor style changes according to personal preference

Reduce macro indirection in the spec file

Switch URL from HTTP to HTTPS