Next: ax_is_release, Previous: ax_install_files, Up: The Macros
AX_HAVE_INT128
Check whether the compiler provides __int128. If so, define HAVE_INT128.
Works with GCC >= 4.6.
TODO: Provide int128[u]_t & work with other compilers.
Download the latest version of ax_int128.m4 or browse the macro’s revision history.
Copyright © 2019 Reuben Thomas rrt@sc3d.org
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.