| # serial 10 |
| |
| # Copyright (C) 2001, 2003-2004, 2006, 2009-2020 Free Software Foundation, Inc. |
| # This file is free software; the Free Software Foundation |
| # gives unlimited permission to copy and/or distribute it, |
| # with or without modifications, as long as this notice is preserved. |
| |
| # Written by Paul Eggert. |
| |
| dnl From Paul Eggert. |
| |
| # Define HOST_OPERATING_SYSTEM to a name for the host operating system. |
| AC_DEFUN([gl_HOST_OS], |
| [ |
| AC_REQUIRE([AC_CANONICAL_HOST])dnl |
| AC_CACHE_CHECK([host operating system], |
| [gl_cv_host_operating_system], |
| |
| [[case $host_os in |
| |
| # These operating system names do not use the default heuristic below. |
| # They are in reverse order, so that more-specific prefixes come first. |
| winnt*) os='Windows NT';; |
| vos*) os='VOS';; |
| sysv*) os='Unix System V';; |
| superux*) os='SUPER-UX';; |
| sunos*) os='SunOS';; |
| stop*) os='STOP';; |
| sco*) os='SCO Unix';; |
| riscos*) os='RISC OS';; |
| riscix*) os='RISCiX';; |
| qnx*) os='QNX';; |
| pw32*) os='PW32';; |
| ptx*) os='ptx';; |
| plan9*) os='Plan 9';; |
| osf*) os='Tru64';; |
| os2*) os='OS/2';; |
| openbsd*) os='OpenBSD';; |
| nsk*) os='NonStop Kernel';; |
| nonstopux*) os='NonStop-UX';; |
| netbsd*-gnu*) os='GNU/NetBSD';; # NetBSD kernel+libc, GNU userland |
| netbsd*) os='NetBSD';; |
| mirbsd*) os='MirBSD';; |
| knetbsd*-gnu) os='GNU/kNetBSD';; # NetBSD kernel, GNU libc+userland |
| kfreebsd*-gnu) os='GNU/kFreeBSD';; # FreeBSD kernel, GNU libc+userland |
| msdosdjgpp*) os='DJGPP';; |
| mpeix*) os='MPE/iX';; |
| mint*) os='MiNT';; |
| mingw*) os='MinGW';; |
| lynxos*) os='LynxOS';; |
| linux*) os='GNU/Linux';; |
| hpux*) os='HP-UX';; |
| hiux*) os='HI-UX';; |
| gnu*) os='GNU';; |
| freebsd*) os='FreeBSD';; |
| dgux*) os='DG/UX';; |
| bsdi*) os='BSD/OS';; |
| bsd*) os='BSD';; |
| beos*) os='BeOS';; |
| aux*) os='A/UX';; |
| atheos*) os='AtheOS';; |
| amigaos*) os='Amiga OS';; |
| aix*) os='AIX';; |
| |
| # The default heuristic takes the initial alphabetic string |
| # from $host_os, but capitalizes its first letter. |
| [A-Za-z]*) |
| os=` |
| expr "X$host_os" : 'X\([A-Za-z]\)' | LC_ALL=C tr '[a-z]' '[A-Z]' |
| `` |
| expr "X$host_os" : 'X.\([A-Za-z]*\)' |
| ` |
| ;; |
| |
| # If $host_os does not start with an alphabetic string, use it unchanged. |
| *) |
| os=$host_os;; |
| esac |
| gl_cv_host_operating_system=$os]]) |
| AC_DEFINE_UNQUOTED([HOST_OPERATING_SYSTEM], |
| "$gl_cv_host_operating_system", |
| [The host operating system.]) |
| ]) |
