Mercurial > hg > octave-kai > gnulib-hg

annotate m4/physmem.m4 @ 14434:7624b26aea3d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sys_socket, netdb: Document problem with socklen_t. * doc/posix-headers/sys_socket.texi: Mention lack of socklen_t on some platforms. * doc/posix-headers/netdb.texi: Likewise.
author Bruno Haible <bruno@clisp.org>
date Sat, 19 Mar 2011 13:39:12 +0100
parents 97fc9a21a8fb
children cfdbe5c4e833
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12175
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
1 # physmem.m4 serial 10
14079
97fc9a21a8fb maint: update almost all copyright ranges to include 2011
Jim Meyering <meyering@redhat.com>
parents: 12559
diff changeset
2 dnl Copyright (C) 2002-2003, 2005-2006, 2008-2011 Free Software Foundation,
12518
b5e42ef33b49 update nearly all FSF copyright year lists to include 2009
Jim Meyering <meyering@redhat.com>
parents: 12421
diff changeset
3 dnl Inc.
5611
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4570
diff changeset
4 dnl This file is free software; the Free Software Foundation
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4570
diff changeset
5 dnl gives unlimited permission to copy and/or distribute it,
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4570
diff changeset
6 dnl with or without modifications, as long as this notice is preserved.
4107
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
7
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
8 # Check for the external symbol, _system_configuration,
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
9 # a struct with member `physmem'.
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
10 AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
11007
f6cba5a556ce many *.m4 files: improve m4 quoting
Jim Meyering <meyering@redhat.com>
parents: 9921
diff changeset
11 [AC_CACHE_CHECK([for external symbol _system_configuration],
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
12 gl_cv_var__system_configuration,
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
13 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
14 [[#include <sys/systemcfg.h>
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
15 ]],
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
16 [[double x = _system_configuration.physmem;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
17 if (x > 0.0) return 0;]])],
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
18 [gl_cv_var__system_configuration=yes],
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
19 [gl_cv_var__system_configuration=no])])
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
20
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
21 if test $gl_cv_var__system_configuration = yes; then
11007
f6cba5a556ce many *.m4 files: improve m4 quoting
Jim Meyering <meyering@redhat.com>
parents: 9921
diff changeset
22 AC_DEFINE([HAVE__SYSTEM_CONFIGURATION], [1],
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
23 [Define to 1 if you have the external variable,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 12175
diff changeset
24 _system_configuration with a member named physmem.])
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
25 fi
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
26 ]
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
27 )
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
28
4107
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
29 AC_DEFUN([gl_PHYSMEM],
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
30 [
5721
abd018cd6020 Use AC_LIBSOURCES and AC_LIBOBJ to indicate source and object files.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5611
diff changeset
31 AC_LIBOBJ([physmem])
abd018cd6020 Use AC_LIBSOURCES and AC_LIBOBJ to indicate source and object files.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5611
diff changeset
32
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
33 # Prerequisites of lib/physmem.c.
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
34 AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \
12175
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
35 machine/hal_sysinfo.h sys/table.h sys/param.h sys/systemcfg.h],,,
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
36 [AC_INCLUDES_DEFAULT])
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
37 dnl <sys/sysctl.h> requires <sys/param.h> on OpenBSD 4.0.
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
38 AC_CHECK_HEADERS([sys/sysctl.h],,,
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
39 [AC_INCLUDES_DEFAULT
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
40 #if HAVE_SYS_PARAM_H
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
41 # include <sys/param.h>
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
42 #endif
45b975b8ea71 Fix recognition of sys/sysctl.h on OpenBSD 4.0.
Bruno Haible <bruno@clisp.org>
parents: 11007
diff changeset
43 ])
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
44
11007
f6cba5a556ce many *.m4 files: improve m4 quoting
Jim Meyering <meyering@redhat.com>
parents: 9921
diff changeset
45 AC_CHECK_FUNCS([pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table])
4570
f7d20edaf4d6 (gl_SYS__SYSTEM_CONFIGURATION): New macro.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4107
diff changeset
46 AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION])
4107
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
47 ])