# -*- autoconf -*-
-# Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
+# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
[AC_REQUIRE([AC_PROG_CC])
AC_ARG_ENABLE(
[coverage],
- [AC_HELP_STRING([--enable-coverage],
+ [AC_HELP_STRING([--enable-coverage],
[Enable gcov coverage tool.])],
[case "${enableval}" in
- (lcov|yes) coverage=true ;;
+ (yes) coverage=true ;;
(no) coverage=false ;;
(*) AC_MSG_ERROR([bad value ${enableval} for --enable-coverage]) ;;
esac],
AC_DEFUN([OVS_CHECK_NDEBUG],
[AC_ARG_ENABLE(
[ndebug],
- [AC_HELP_STRING([--enable-ndebug],
+ [AC_HELP_STRING([--enable-ndebug],
[Disable debugging features for max performance])],
[case "${enableval}" in
(yes) ndebug=true ;;
[ndebug=false])
AM_CONDITIONAL([NDEBUG], [test x$ndebug = xtrue])])
+dnl Checks for --enable-cache-time and defines CACHE_TIME if it is specified.
+AC_DEFUN([OVS_CHECK_CACHE_TIME],
+ [AC_ARG_ENABLE(
+ [cache-time],
+ [AC_HELP_STRING([--enable-cache-time],
+ [Override time caching default (for testing only)])],
+ [case "${enableval}" in
+ (yes) cache_time=1;;
+ (no) cache_time=0;;
+ (*) AC_MSG_ERROR([bad value ${enableval} for --enable-cache-time]) ;;
+ esac
+ AC_DEFINE_UNQUOTED([CACHE_TIME], [$cache_time],
+ [Define to 1 to enable time caching, to 0 to disable time caching, or
+ leave undefined to use the default (as one should
+ ordinarily do).])])])
+
+dnl Checks for ESX.
+AC_DEFUN([OVS_CHECK_ESX],
+ [AC_CHECK_HEADER([vmware.h],
+ [ESX=yes],
+ [ESX=no])
+ AM_CONDITIONAL([ESX], [test "$ESX" = yes])
+ if test "$ESX" = yes; then
+ AC_DEFINE([ESX], [1], [Define to 1 if building on ESX.])
+ fi])
+
dnl Checks for Netlink support.
AC_DEFUN([OVS_CHECK_NETLINK],
[AC_CHECK_HEADER([linux/netlink.h],
[ssl=check])
if test "$ssl" != false; then
- m4_ifndef([PKG_CHECK_MODULES], [m4_fatal([Please install pkg-config.])])
- PKG_CHECK_MODULES([SSL], [openssl],
+ AX_CHECK_OPENSSL(
[HAVE_OPENSSL=yes],
[HAVE_OPENSSL=no
if test "$ssl" = check; then
dnl Checks for the directory in which to store the PKI.
AC_DEFUN([OVS_CHECK_PKIDIR],
[AC_ARG_WITH(
- [pkidir],
- AC_HELP_STRING([--with-pkidir=DIR],
+ [pkidir],
+ AC_HELP_STRING([--with-pkidir=DIR],
[PKI hierarchy directory [[LOCALSTATEDIR/lib/openvswitch/pki]]]),
[PKIDIR=$withval],
[PKIDIR='${localstatedir}/lib/openvswitch/pki'])
dnl Checks for the directory in which to store pidfiles.
AC_DEFUN([OVS_CHECK_RUNDIR],
[AC_ARG_WITH(
- [rundir],
- AC_HELP_STRING([--with-rundir=DIR],
+ [rundir],
+ AC_HELP_STRING([--with-rundir=DIR],
[directory used for pidfiles
[[LOCALSTATEDIR/run/openvswitch]]]),
[RUNDIR=$withval],
dnl Checks for the directory in which to store logs.
AC_DEFUN([OVS_CHECK_LOGDIR],
[AC_ARG_WITH(
- [logdir],
- AC_HELP_STRING([--with-logdir=DIR],
+ [logdir],
+ AC_HELP_STRING([--with-logdir=DIR],
[directory used for logs [[LOCALSTATEDIR/log/PACKAGE]]]),
[LOGDIR=$withval],
[LOGDIR='${localstatedir}/log/${PACKAGE}'])
AC_SUBST([LOGDIR])])
-dnl Defines HAVE_BACKTRACE if backtrace() is declared in <execinfo.h>
-dnl and exists in libc.
+dnl Checks for the directory in which to store the Open vSwitch database.
+AC_DEFUN([OVS_CHECK_DBDIR],
+ [AC_ARG_WITH(
+ [dbdir],
+ AC_HELP_STRING([--with-dbdir=DIR],
+ [directory used for conf.db [[SYSCONFDIR/PACKAGE]]]),
+ [DBDIR=$withval],
+ [DBDIR='${sysconfdir}/${PACKAGE}'])
+ AC_SUBST([DBDIR])])
+
+dnl Defines HAVE_BACKTRACE if backtrace() is found.
AC_DEFUN([OVS_CHECK_BACKTRACE],
- [AC_CHECK_HEADER([execinfo.h], [AC_CHECK_FUNCS([backtrace])])])
+ [AC_SEARCH_LIBS([backtrace], [execinfo ubacktrace],
+ [AC_DEFINE([HAVE_BACKTRACE], [1],
+ [Define to 1 if you have backtrace(3).])])])
dnl Checks for __malloc_hook, etc., supported by glibc.
AC_DEFUN([OVS_CHECK_MALLOC_HOOKS],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <malloc.h>
- ],
+ ],
[(void) __malloc_hook;
(void) __realloc_hook;
(void) __free_hook;])],
[ovs_cv_malloc_hooks=yes],
[ovs_cv_malloc_hooks=no])])
if test $ovs_cv_malloc_hooks = yes; then
- AC_DEFINE([HAVE_MALLOC_HOOKS], [1],
+ AC_DEFINE([HAVE_MALLOC_HOOKS], [1],
[Define to 1 if you have __malloc_hook, __realloc_hook, and
__free_hook in <malloc.h>.])
fi])
dnl Checks for valgrind/valgrind.h.
-AC_DEFUN([OVS_CHECK_VALGRIND],
+AC_DEFUN([OVS_CHECK_VALGRIND],
[AC_CHECK_HEADERS([valgrind/valgrind.h])])
dnl Checks for Python 2.x, x >= 4.
fi])
AM_CONDITIONAL([HAVE_GROFF], [test "$ovs_cv_groff" = yes])])
-dnl Checks for --disable-brcompat and undefines BUILD_BRCOMPAT if it is specified.
-AC_DEFUN([OVS_CHECK_BRCOMPAT],
- [AC_ARG_ENABLE(
- [brcompat],
- [AC_HELP_STRING([--disable-brcompat],
- [Disable building brcompat])],
- [case "${enableval}" in
- (yes) brcompat=true ;;
- (no) brcompat=false ;;
- (*) AC_MSG_ERROR([bad value ${enableval} for --enable-brcompat]) ;;
- esac],
- [brcompat=true])
- if test x$brcompat = xtrue; then
- BUILD_BRCOMPAT=yes
+dnl Checks for thread-local storage support.
+dnl
+dnl Checks whether the compiler and linker support the C11
+dnl thread_local macro from <threads.h>, and if so defines
+dnl HAVE_THREAD_LOCAL. If not, checks whether the compiler and linker
+dnl support the GCC __thread extension, and if so defines
+dnl HAVE___THREAD.
+AC_DEFUN([OVS_CHECK_TLS],
+ [AC_CACHE_CHECK(
+ [whether $CC has <threads.h> that supports thread_local],
+ [ovs_cv_thread_local],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([#include <threads.h>
+static thread_local int var;], [return var;])],
+ [ovs_cv_thread_local=yes],
+ [ovs_cv_thread_local=no])])
+ if test $ovs_cv_thread_local = yes; then
+ AC_DEFINE([HAVE_THREAD_LOCAL], [1],
+ [Define to 1 if the C compiler and linker supports the C11
+ thread_local matcro defined in <threads.h>.])
else
- BUILD_BRCOMPAT=""
- fi
- AC_SUBST([BUILD_BRCOMPAT])
- AM_CONDITIONAL([BUILD_BRCOMPAT], [test x$brcompat = xtrue])])
+ AC_CACHE_CHECK(
+ [whether $CC supports __thread],
+ [ovs_cv___thread],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([static __thread int var;], [return var;])],
+ [ovs_cv___thread=yes],
+ [ovs_cv___thread=no])])
+ if test $ovs_cv___thread = yes; then
+ AC_DEFINE([HAVE___THREAD], [1],
+ [Define to 1 if the C compiler and linker supports the
+ GCC __thread extenions.])
+ fi
+ fi])
+
+dnl OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(SIZE)
+dnl
+dnl Checks __atomic_always_lock_free(SIZE, 0)
+AC_DEFUN([OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE],
+ [AC_CACHE_CHECK(
+ [value of __atomic_always_lock_free($1)],
+ [ovs_cv_atomic_always_lock_free_$1],
+ [AC_COMPUTE_INT(
+ [ovs_cv_atomic_always_lock_free_$1],
+ [__atomic_always_lock_free($1, 0)],
+ [],
+ [ovs_cv_atomic_always_lock_free_$1=unsupported])])
+ if test ovs_cv_atomic_always_lock_free_$1 != unsupported; then
+ AC_DEFINE_UNQUOTED(
+ [ATOMIC_ALWAYS_LOCK_FREE_$1B],
+ [$ovs_cv_atomic_always_lock_free_$1],
+ [If the C compiler is GCC 4.7 or later, define to the return value of
+ __atomic_always_lock_free($1, 0). If the C compiler is not GCC or is
+ an older version of GCC, the value does not matter.])
+ fi])
git://git.onelab.eu / sliver-openvswitch.git / blobdiff