Imported Upstream version 1.4.16+git20130902
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517 changed files with 44015 additions and 43295 deletions
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@ -1,108 +1,78 @@
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# Check for getloadavg.
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# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2010 Free Software
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# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2013 Free Software
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# Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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#serial 6
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# Autoconf defines AC_FUNC_GETLOADAVG, but that is obsolescent.
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# New applications should use gl_GETLOADAVG instead.
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# gl_GETLOADAVG(LIBOBJDIR)
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# ------------------------
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# gl_GETLOADAVG
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# -------------
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AC_DEFUN([gl_GETLOADAVG],
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[AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
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# Persuade glibc <stdlib.h> to declare getloadavg().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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gl_have_func=no # yes means we've found a way to get the load average.
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# Make sure getloadavg.c is where it belongs, at configure-time.
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test -f "$srcdir/$1/getloadavg.c" ||
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AC_MSG_ERROR([$srcdir/$1/getloadavg.c is missing])
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gl_save_LIBS=$LIBS
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# Check for getloadavg, but be sure not to touch the cache variable.
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(AC_CHECK_FUNC([getloadavg], [exit 0], [exit 1])) && gl_have_func=yes
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# getloadvg is present in libc on glibc >= 2.2, Mac OS X, FreeBSD >= 2.0,
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# NetBSD >= 0.9, OpenBSD >= 2.0, Solaris >= 7.
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HAVE_GETLOADAVG=1
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AC_CHECK_FUNC([getloadavg], [],
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[gl_func_getloadavg_done=no
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# On HPUX9, an unprivileged user can get load averages through this function.
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AC_CHECK_FUNCS([pstat_getdynamic])
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# Some systems with -lutil have (and need) -lkvm as well, some do not.
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# On Solaris, -lkvm requires nlist from -lelf, so check that first
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# to get the right answer into the cache.
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# For kstat on solaris, we need to test for libelf and libkvm to force the
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# definition of SVR4 below.
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_LIB([elf], [elf_begin], [LIBS="-lelf $LIBS"])
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AC_CHECK_LIB([kvm], [kvm_open], [LIBS="-lkvm $LIBS"])
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# Check for the 4.4BSD definition of getloadavg.
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AC_CHECK_LIB([util], [getloadavg],
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[LIBS="-lutil $LIBS" gl_func_getloadavg_done=yes])
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fi
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# Solaris has libkstat which does not require root.
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AC_CHECK_LIB([kstat], [kstat_open])
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test $ac_cv_lib_kstat_kstat_open = yes && gl_have_func=yes
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if test $gl_func_getloadavg_done = no; then
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# There is a commonly available library for RS/6000 AIX.
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# Since it is not a standard part of AIX, it might be installed locally.
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gl_getloadavg_LIBS=$LIBS
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LIBS="-L/usr/local/lib $LIBS"
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AC_CHECK_LIB([getloadavg], [getloadavg],
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[LIBS="-lgetloadavg $LIBS" gl_func_getloadavg_done=yes],
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[LIBS=$gl_getloadavg_LIBS])
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fi
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# AIX has libperfstat which does not require root
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AC_CHECK_LIB([perfstat], [perfstat_cpu_total])
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test $ac_cv_lib_perfstat_perfstat_cpu_total = yes && gl_have_func=yes
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# Set up the replacement function if necessary.
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if test $gl_func_getloadavg_done = no; then
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HAVE_GETLOADAVG=0
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# Some systems with -lutil have (and need) -lkvm as well, some do not.
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# On Solaris, -lkvm requires nlist from -lelf, so check that first
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# to get the right answer into the cache.
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# For kstat on solaris, we need libelf to force the definition of SVR4 below.
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if test $gl_have_func = no; then
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AC_CHECK_LIB([elf], [elf_begin], [LIBS="-lelf $LIBS"])
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fi
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if test $gl_have_func = no; then
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AC_CHECK_LIB([kvm], [kvm_open], [LIBS="-lkvm $LIBS"])
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# Check for the 4.4BSD definition of getloadavg.
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AC_CHECK_LIB([util], [getloadavg],
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[LIBS="-lutil $LIBS" gl_have_func=yes gl_cv_func_getloadavg_setgid=yes])
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fi
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# Solaris has libkstat which does not require root.
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AC_CHECK_LIB([kstat], [kstat_open])
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test $ac_cv_lib_kstat_kstat_open = yes && gl_func_getloadavg_done=yes
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if test $gl_have_func = no; then
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# There is a commonly available library for RS/6000 AIX.
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# Since it is not a standard part of AIX, it might be installed locally.
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gl_getloadavg_LIBS=$LIBS
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LIBS="-L/usr/local/lib $LIBS"
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AC_CHECK_LIB([getloadavg], [getloadavg],
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[LIBS="-lgetloadavg $LIBS"], [LIBS=$gl_getloadavg_LIBS])
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fi
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# AIX has libperfstat which does not require root
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_LIB([perfstat], [perfstat_cpu_total])
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test $ac_cv_lib_perfstat_perfstat_cpu_total = yes && gl_func_getloadavg_done=yes
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fi
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# Make sure it is really in the library, if we think we found it,
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# otherwise set up the replacement function.
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AC_CHECK_FUNCS([getloadavg], [],
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[gl_PREREQ_GETLOADAVG])
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_HEADER([sys/dg_sys_info.h],
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[gl_func_getloadavg_done=yes
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AC_DEFINE([DGUX], [1], [Define to 1 for DGUX with <sys/dg_sys_info.h>.])
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AC_CHECK_LIB([dgc], [dg_sys_info])])
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fi
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fi])
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# Some definitions of getloadavg require that the program be installed setgid.
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AC_CACHE_CHECK([whether getloadavg requires setgid],
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gl_cv_func_getloadavg_setgid,
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[AC_EGREP_CPP([Yowza Am I SETGID yet],
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[#define CONFIGURING_GETLOADAVG
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#include "$srcdir/$1/getloadavg.c"
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#ifdef LDAV_PRIVILEGED
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Yowza Am I SETGID yet
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#endif
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],
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gl_cv_func_getloadavg_setgid=yes,
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gl_cv_func_getloadavg_setgid=no)])
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if test $gl_cv_func_getloadavg_setgid = yes; then
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NEED_SETGID=true
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AC_DEFINE([GETLOADAVG_PRIVILEGED], [1],
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[Define to 1 if the `getloadavg' function needs to be run setuid
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or setgid.])
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else
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NEED_SETGID=false
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fi
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AC_SUBST([NEED_SETGID])dnl
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if test $gl_cv_func_getloadavg_setgid = yes; then
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AC_CACHE_CHECK([group of /dev/kmem], [gl_cv_group_kmem],
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[ # On Solaris, /dev/kmem is a symlink. Get info on the real file.
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ac_ls_output=`ls -lgL /dev/kmem 2>/dev/null`
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# If we got an error (system does not support symlinks), try without -L.
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test -z "$ac_ls_output" && ac_ls_output=`ls -lg /dev/kmem`
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gl_cv_group_kmem=`echo $ac_ls_output \
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| sed -ne ['s/[ ][ ]*/ /g
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s/^.[sSrwx-]* *[0-9]* *\([^0-9]*\) *.*/\1/
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/ /s/.* //;p']`
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])
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AC_SUBST([KMEM_GROUP], [$gl_cv_group_kmem])dnl
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fi
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if test "x$gl_save_LIBS" = x; then
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GETLOADAVG_LIBS=$LIBS
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else
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@ -121,58 +91,57 @@ else
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HAVE_SYS_LOADAVG_H=0
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fi
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AC_CHECK_DECL([getloadavg], [], [HAVE_DECL_GETLOADAVG=0],
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[#if HAVE_SYS_LOADAVG_H
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# include <sys/loadavg.h>
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#endif
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#include <stdlib.h>])
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[[#if HAVE_SYS_LOADAVG_H
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# include <sys/loadavg.h>
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#endif
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#include <stdlib.h>]])
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])# gl_GETLOADAVG
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# gl_PREREQ_GETLOADAVG
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# --------------------
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# Set up the AC_LIBOBJ replacement of `getloadavg'.
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# Set up the AC_LIBOBJ replacement of 'getloadavg'.
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AC_DEFUN([gl_PREREQ_GETLOADAVG],
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[AC_LIBOBJ([getloadavg])
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AC_DEFINE([C_GETLOADAVG], [1], [Define to 1 if using `getloadavg.c'.])
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[
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# Figure out what our getloadavg.c needs.
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gl_have_func=no
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AC_CHECK_HEADER([sys/dg_sys_info.h],
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[gl_have_func=yes
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AC_DEFINE([DGUX], [1], [Define to 1 for DGUX with <sys/dg_sys_info.h>.])
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AC_CHECK_LIB([dgc], [dg_sys_info])])
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AC_CHECK_HEADERS_ONCE([sys/param.h])
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# On HPUX9, an unprivileged user can get load averages this way.
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_FUNCS([pstat_getdynamic], [gl_func_getloadavg_done=yes])
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fi
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# We cannot check for <dwarf.h>, because Solaris 2 does not use dwarf (it
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# uses stabs), but it is still SVR4. We cannot check for <elf.h> because
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# Irix 4.0.5F has the header but not the library.
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if test $gl_have_func = no && test "$ac_cv_lib_elf_elf_begin" = yes; then
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gl_have_func=yes
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if test $gl_func_getloadavg_done = no && test "$ac_cv_lib_elf_elf_begin" = yes \
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&& test "$ac_cv_lib_kvm_kvm_open" = yes; then
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gl_func_getloadavg_done=yes
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AC_DEFINE([SVR4], [1], [Define to 1 on System V Release 4.])
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fi
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if test $gl_have_func = no; then
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_HEADER([inq_stats/cpustats.h],
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[gl_have_func=yes
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[gl_func_getloadavg_done=yes
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AC_DEFINE([UMAX], [1], [Define to 1 for Encore UMAX.])
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AC_DEFINE([UMAX4_3], [1],
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[Define to 1 for Encore UMAX 4.3 that has <inq_status/cpustats.h>
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instead of <sys/cpustats.h>.])])
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fi
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if test $gl_have_func = no; then
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_HEADER([sys/cpustats.h],
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[gl_have_func=yes; AC_DEFINE([UMAX])])
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[gl_func_getloadavg_done=yes; AC_DEFINE([UMAX])])
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fi
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if test $gl_have_func = no; then
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if test $gl_func_getloadavg_done = no; then
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AC_CHECK_HEADERS([mach/mach.h])
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fi
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AC_CHECK_HEADERS([nlist.h],
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[AC_CHECK_MEMBERS([struct nlist.n_un.n_name],
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[AC_DEFINE([NLIST_NAME_UNION], [1],
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[Define to 1 if your `struct nlist' has an
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`n_un' member. Obsolete, depend on
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`HAVE_STRUCT_NLIST_N_UN_N_NAME])], [],
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[], [],
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[@%:@include <nlist.h>])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]],
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[[struct nlist x;
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