# Check for getloadavg.
-# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2011 Free Software
+# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2014 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.
-#serial 2
+#serial 6
# Autoconf defines AC_FUNC_GETLOADAVG, but that is obsolescent.
# New applications should use gl_GETLOADAVG instead.
-# gl_GETLOADAVG(LIBOBJDIR)
-# ------------------------
+# gl_GETLOADAVG
+# -------------
AC_DEFUN([gl_GETLOADAVG],
[AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
# Persuade glibc <stdlib.h> to declare getloadavg().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-# Make sure getloadavg.c is where it belongs, at configure-time.
-test -f "$srcdir/$1/getloadavg.c" ||
- AC_MSG_ERROR([$srcdir/$1/getloadavg.c is missing])
-
gl_save_LIBS=$LIBS
-# getloadvg is present in libc on glibc >= 2.2, MacOS X, FreeBSD >= 2.0,
+# getloadvg is present in libc on glibc >= 2.2, Mac OS X, FreeBSD >= 2.0,
# NetBSD >= 0.9, OpenBSD >= 2.0, Solaris >= 7.
+HAVE_GETLOADAVG=1
AC_CHECK_FUNC([getloadavg], [],
- [gl_have_func=no
+ [gl_func_getloadavg_done=no
# Some systems with -lutil have (and need) -lkvm as well, some do not.
# On Solaris, -lkvm requires nlist from -lelf, so check that first
# to get the right answer into the cache.
# For kstat on solaris, we need to test for libelf and libkvm to force the
# definition of SVR4 below.
- if test $gl_have_func = no; then
+ if test $gl_func_getloadavg_done = no; then
AC_CHECK_LIB([elf], [elf_begin], [LIBS="-lelf $LIBS"])
AC_CHECK_LIB([kvm], [kvm_open], [LIBS="-lkvm $LIBS"])
# Check for the 4.4BSD definition of getloadavg.
AC_CHECK_LIB([util], [getloadavg],
- [LIBS="-lutil $LIBS" gl_have_func=yes])
+ [LIBS="-lutil $LIBS" gl_func_getloadavg_done=yes])
fi
- if test $gl_have_func = no; then
+ if test $gl_func_getloadavg_done = no; then
# There is a commonly available library for RS/6000 AIX.
# Since it is not a standard part of AIX, it might be installed locally.
gl_getloadavg_LIBS=$LIBS
LIBS="-L/usr/local/lib $LIBS"
AC_CHECK_LIB([getloadavg], [getloadavg],
- [LIBS="-lgetloadavg $LIBS" gl_have_func=yes],
+ [LIBS="-lgetloadavg $LIBS" gl_func_getloadavg_done=yes],
[LIBS=$gl_getloadavg_LIBS])
fi
# Set up the replacement function if necessary.
- if test $gl_have_func = no; then
- AC_LIBOBJ([getloadavg])
- gl_PREREQ_GETLOADAVG
+ if test $gl_func_getloadavg_done = no; then
+ HAVE_GETLOADAVG=0
+
+ # Solaris has libkstat which does not require root.
+ AC_CHECK_LIB([kstat], [kstat_open])
+ test $ac_cv_lib_kstat_kstat_open = yes && gl_func_getloadavg_done=yes
+
+ # AIX has libperfstat which does not require root
+ if test $gl_func_getloadavg_done = no; then
+ AC_CHECK_LIB([perfstat], [perfstat_cpu_total])
+ test $ac_cv_lib_perfstat_perfstat_cpu_total = yes && gl_func_getloadavg_done=yes
+ fi
+
+ if test $gl_func_getloadavg_done = no; then
+ AC_CHECK_HEADER([sys/dg_sys_info.h],
+ [gl_func_getloadavg_done=yes
+ AC_DEFINE([DGUX], [1], [Define to 1 for DGUX with <sys/dg_sys_info.h>.])
+ AC_CHECK_LIB([dgc], [dg_sys_info])])
+ fi
fi])
if test "x$gl_save_LIBS" = x; then
HAVE_SYS_LOADAVG_H=0
fi
AC_CHECK_DECL([getloadavg], [], [HAVE_DECL_GETLOADAVG=0],
- [#if HAVE_SYS_LOADAVG_H
- # include <sys/loadavg.h>
- #endif
- #include <stdlib.h>])
+ [[#if HAVE_SYS_LOADAVG_H
+ # include <sys/loadavg.h>
+ #endif
+ #include <stdlib.h>]])
])# gl_GETLOADAVG
# gl_PREREQ_GETLOADAVG
# --------------------
-# Set up the AC_LIBOBJ replacement of `getloadavg'.
+# Set up the AC_LIBOBJ replacement of 'getloadavg'.
AC_DEFUN([gl_PREREQ_GETLOADAVG],
[
# Figure out what our getloadavg.c needs.
-# Solaris has libkstat which does not require root.
-AC_CHECK_LIB([kstat], [kstat_open])
-test $ac_cv_lib_kstat_kstat_open = yes && gl_have_func=yes
+AC_CHECK_HEADERS_ONCE([sys/param.h])
# On HPUX9, an unprivileged user can get load averages this way.
-if test $gl_have_func = no; then
- AC_CHECK_FUNCS([pstat_getdynamic], [gl_have_func=yes])
-fi
-
-# AIX has libperfstat which does not require root
-if test $gl_have_func = no; then
- AC_CHECK_LIB([perfstat], [perfstat_cpu_total])
- test $ac_cv_lib_perfstat_perfstat_cpu_total = yes && gl_have_func=yes
-fi
-
-if test $gl_have_func = no; then
- AC_CHECK_HEADER([sys/dg_sys_info.h],
- [gl_have_func=yes
- AC_DEFINE([DGUX], [1], [Define to 1 for DGUX with <sys/dg_sys_info.h>.])
- AC_CHECK_LIB([dgc], [dg_sys_info])])
+if test $gl_func_getloadavg_done = no; then
+ AC_CHECK_FUNCS([pstat_getdynamic], [gl_func_getloadavg_done=yes])
fi
# We cannot check for <dwarf.h>, because Solaris 2 does not use dwarf (it
# uses stabs), but it is still SVR4. We cannot check for <elf.h> because
# Irix 4.0.5F has the header but not the library.
-if test $gl_have_func = no && test "$ac_cv_lib_elf_elf_begin" = yes \
+if test $gl_func_getloadavg_done = no && test "$ac_cv_lib_elf_elf_begin" = yes \
&& test "$ac_cv_lib_kvm_kvm_open" = yes; then
- gl_have_func=yes
+ gl_func_getloadavg_done=yes
AC_DEFINE([SVR4], [1], [Define to 1 on System V Release 4.])
fi
-if test $gl_have_func = no; then
+if test $gl_func_getloadavg_done = no; then
AC_CHECK_HEADER([inq_stats/cpustats.h],
- [gl_have_func=yes
+ [gl_func_getloadavg_done=yes
AC_DEFINE([UMAX], [1], [Define to 1 for Encore UMAX.])
AC_DEFINE([UMAX4_3], [1],
[Define to 1 for Encore UMAX 4.3 that has <inq_status/cpustats.h>
instead of <sys/cpustats.h>.])])
fi
-if test $gl_have_func = no; then
+if test $gl_func_getloadavg_done = no; then
AC_CHECK_HEADER([sys/cpustats.h],
- [gl_have_func=yes; AC_DEFINE([UMAX])])
+ [gl_func_getloadavg_done=yes; AC_DEFINE([UMAX])])
fi
-if test $gl_have_func = no; then
+if test $gl_func_getloadavg_done = no; then
AC_CHECK_HEADERS([mach/mach.h])
fi
projects / gnulib.git / blobdiff