X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=m4%2Fopenvswitch.m4;h=fa741f646836d5ea7f8b37a3cfec2ce805f16b48;hb=HEAD;hp=c5f0742016f0f5aad9b31b0b0587cf10bdc8cfcb;hpb=a5eef57e2c43a427b901baa6f0b79d00d2c222d3;p=sliver-openvswitch.git diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4 index c5f074201..fa741f646 100644 --- a/m4/openvswitch.m4 +++ b/m4/openvswitch.m4 @@ -1,6 +1,6 @@ # -*- autoconf -*- -# Copyright (c) 2008, 2009, 2010 Nicira Networks. +# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -19,10 +19,10 @@ AC_DEFUN([OVS_CHECK_COVERAGE], [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 ${enableval} for --enable-coverage]) ;; esac], @@ -36,7 +36,7 @@ dnl Checks for --enable-ndebug and defines NDEBUG if it is specified. AC_DEFUN([OVS_CHECK_NDEBUG], [AC_ARG_ENABLE( [ndebug], - [AC_HELP_STRING([--enable-ndebug], + [AC_HELP_STRING([--enable-ndebug], [Disable debugging features for max performance])], [case "${enableval}" in (yes) ndebug=true ;; @@ -46,13 +46,56 @@ AC_DEFUN([OVS_CHECK_NDEBUG], [ndebug=false]) AM_CONDITIONAL([NDEBUG], [test x$ndebug = xtrue])]) +dnl Checks for ESX. +AC_DEFUN([OVS_CHECK_ESX], + [AC_CHECK_HEADER([vmware.h], + [ESX=yes], + [ESX=no]) + AM_CONDITIONAL([ESX], [test "$ESX" = yes]) + if test "$ESX" = yes; then + AC_DEFINE([ESX], [1], [Define to 1 if building on ESX.]) + fi]) + +dnl Checks for WINDOWS. +AC_DEFUN([OVS_CHECK_WIN32], + [AC_CHECK_HEADER([windows.h], + [WIN32=yes], + [WIN32=no]) + AM_CONDITIONAL([WIN32], [test "$WIN32" = yes]) + if test "$WIN32" = yes; then + AC_ARG_WITH([pthread], + [AS_HELP_STRING([--with-pthread=DIR], + [root of the pthread-win32 directory])], + [ + case "$withval" in + "" | y | ye | yes | n | no) + AC_MSG_ERROR([Invalid --with-pthread value]) + ;; + *) + PTHREAD_INCLUDES="-I$withval/include" + PTHREAD_LDFLAGS="-L$withval/lib/x86" + PTHREAD_LIBS="-lpthreadVC2" + AC_SUBST([PTHREAD_INCLUDES]) + AC_SUBST([PTHREAD_LDFLAGS]) + AC_SUBST([PTHREAD_LIBS]) + ;; + esac + ], [ + AC_MSG_ERROR([pthread directory not specified]) + ] + ) + AC_DEFINE([WIN32], [1], [Define to 1 if building on WIN32.]) + AH_BOTTOM([#ifdef WIN32 +#include "include/windows/windefs.h" +#endif]) + fi]) + dnl Checks for Netlink support. AC_DEFUN([OVS_CHECK_NETLINK], [AC_CHECK_HEADER([linux/netlink.h], [HAVE_NETLINK=yes], [HAVE_NETLINK=no], [#include - #include ]) AM_CONDITIONAL([HAVE_NETLINK], [test "$HAVE_NETLINK" = yes]) if test "$HAVE_NETLINK" = yes; then @@ -73,20 +116,18 @@ AC_DEFUN([OVS_CHECK_OPENSSL], [ssl=check]) if test "$ssl" != false; then - dnl Make sure that pkg-config is installed. - m4_pattern_forbid([PKG_CHECK_MODULES]) - PKG_CHECK_MODULES([SSL], [libssl], + AX_CHECK_OPENSSL( [HAVE_OPENSSL=yes], [HAVE_OPENSSL=no if test "$ssl" = check; then - AC_MSG_WARN([Cannot find libssl: + AC_MSG_WARN([Cannot find openssl: $SSL_PKG_ERRORS OpenFlow connections over SSL will not be supported. (You may use --disable-ssl to suppress this warning.)]) else - AC_MSG_ERROR([Cannot find libssl (use --disable-ssl to configure without SSL support)]) + AC_MSG_ERROR([Cannot find openssl (use --disable-ssl to configure without SSL support)]) fi]) else HAVE_OPENSSL=no @@ -100,23 +141,23 @@ OpenFlow connections over SSL will not be supported. dnl Checks for libraries needed by lib/socket-util.c. AC_DEFUN([OVS_CHECK_SOCKET_LIBS], [AC_CHECK_LIB([socket], [connect]) - AC_SEARCH_LIBS([gethostbyname], [resolv], [RESOLVER_LIBS=-lresolv])]) + AC_SEARCH_LIBS([gethostbyname], [resolv])]) dnl Checks for the directory in which to store the PKI. AC_DEFUN([OVS_CHECK_PKIDIR], [AC_ARG_WITH( - [pkidir], - AC_HELP_STRING([--with-pkidir=DIR], - [PKI hierarchy directory [[DATADIR/openvswitch/pki]]]), + [pkidir], + AC_HELP_STRING([--with-pkidir=DIR], + [PKI hierarchy directory [[LOCALSTATEDIR/lib/openvswitch/pki]]]), [PKIDIR=$withval], - [PKIDIR='${pkgdatadir}/pki']) + [PKIDIR='${localstatedir}/lib/openvswitch/pki']) AC_SUBST([PKIDIR])]) 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=$withval], @@ -126,13 +167,29 @@ AC_DEFUN([OVS_CHECK_RUNDIR], dnl Checks for the directory in which to store logs. AC_DEFUN([OVS_CHECK_LOGDIR], [AC_ARG_WITH( - [logdir], - AC_HELP_STRING([--with-logdir=DIR], + [logdir], + AC_HELP_STRING([--with-logdir=DIR], [directory used for logs [[LOCALSTATEDIR/log/PACKAGE]]]), [LOGDIR=$withval], [LOGDIR='${localstatedir}/log/${PACKAGE}']) AC_SUBST([LOGDIR])]) +dnl 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_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_CACHE_CHECK( @@ -141,20 +198,20 @@ AC_DEFUN([OVS_CHECK_MALLOC_HOOKS], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [#include - ], + ], [(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 .]) 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. @@ -171,7 +228,7 @@ AC_DEFUN([OVS_CHECK_PYTHON], for dir in $PATH; do IFS=$ovs_save_IFS test -z "$dir" && dir=. - if test -x $dir/$binary && $dir/$binary -c 'import sys + if test -x "$dir"/"$binary" && "$dir"/"$binary" -c 'import sys if sys.hexversion >= 0x02040000 and sys.hexversion < 0x03000000: sys.exit(0) else: @@ -202,36 +259,8 @@ AC_DEFUN([OVS_CHECK_DOT], ovs_cv_dot=yes else ovs_cv_dot=no - fi])]) - -dnl Check whether to build E-R diagrams. -AC_DEFUN([OVS_CHECK_ER_DIAGRAMS], - [AC_REQUIRE([OVS_CHECK_DOT]) - AC_REQUIRE([OVS_CHECK_PYTHON]) - AC_CACHE_CHECK( - [whether to build E-R diagrams for database], - [ovs_cv_er_diagrams], - [if test $ovs_cv_dot != no && test $ovs_cv_python != no; then - ovs_cv_er_diagrams=yes - else - ovs_cv_er_diagrams=no - fi]) - AM_CONDITIONAL([BUILD_ER_DIAGRAMS], [test $ovs_cv_er_diagrams = yes])]) - -dnl Checks for pyuic4. -AC_DEFUN([OVS_CHECK_PYUIC4], - [AC_CACHE_CHECK( - [for pyuic4], - [ovs_cv_pyuic4], - [if (pyuic4 --version) >/dev/null 2>&1; then - ovs_cv_pyuic4=pyuic4 - else - ovs_cv_pyuic4=no fi]) - AM_MISSING_PROG([PYUIC4], [pyuic4]) - if test $ovs_cv_pyuic4 != no; then - PYUIC4=$ovs_cv_pyuic4 - fi]) + AM_CONDITIONAL([HAVE_DOT], [test "$ovs_cv_dot" = yes])]) dnl Checks whether $PYTHON supports the module given as $1 AC_DEFUN([OVS_CHECK_PYTHON_MODULE], @@ -251,101 +280,170 @@ sys.exit(0)' >&AS_MESSAGE_LOG_FD 2>&1; then fi fi])]) -dnl Checks for Python modules needed by ovsdbmonitor. -AC_DEFUN([OVS_CHECK_OVSDBMONITOR], - [OVS_CHECK_PYTHON_MODULE([PySide.QtCore]) - OVS_CHECK_PYTHON_MODULE([PyQt4.QtCore]) - OVS_CHECK_PYTHON_MODULE([twisted.conch.ssh]) - OVS_CHECK_PYTHON_MODULE([twisted.internet]) - OVS_CHECK_PYTHON_MODULE([twisted.application]) - OVS_CHECK_PYTHON_MODULE([json]) - OVS_CHECK_PYTHON_MODULE([zope.interface]) - if (test $ovs_cv_py_PySide_QtCore = yes \ - || test $ovs_cv_py_PyQt4_QtCore = yes) \ - && test $ovs_cv_py_twisted_conch_ssh = yes \ - && test $ovs_cv_py_twisted_internet = yes \ - && test $ovs_cv_py_twisted_application = yes \ - && test $ovs_cv_py_json = yes \ - && test $ovs_cv_py_zope_interface = yes; then - BUILD_OVSDBMONITOR=yes +dnl Checks for missing python modules at build time +AC_DEFUN([OVS_CHECK_PYTHON_COMPAT], + [OVS_CHECK_PYTHON_MODULE([uuid]) + if test $ovs_cv_py_uuid = yes; then + INCLUDE_PYTHON_COMPAT=no else - BUILD_OVSDBMONITOR=no + INCLUDE_PYTHON_COMPAT=yes fi - AC_MSG_CHECKING([whether to build ovsdbmonitor]) - AC_MSG_RESULT([$BUILD_OVSDBMONITOR]) - AM_CONDITIONAL([BUILD_OVSDBMONITOR], [test $BUILD_OVSDBMONITOR = yes])]) + AC_MSG_CHECKING([whether to add python/compat to PYTHONPATH]) + AC_MSG_RESULT([$INCLUDE_PYTHON_COMPAT]) + AM_CONDITIONAL([INCLUDE_PYTHON_COMPAT], [test $INCLUDE_PYTHON_COMPAT = yes])]) -# OVS_LINK2_IFELSE(SOURCE1, SOURCE2, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) -# ------------------------------------------------------------- -# Based on AC_LINK_IFELSE, but tries to link both SOURCE1 and SOURCE2 -# into a program. -# -# This macro is borrowed from acinclude.m4 in GNU PSPP, which has the -# following license: -# -# Copyright (C) 2005, 2006, 2007, 2009 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. -# -m4_define([OVS_LINK2_IFELSE], -[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl -mv conftest.$ac_ext conftest1.$ac_ext -m4_ifvaln([$2], [AC_LANG_CONFTEST([$2])])dnl -mv conftest.$ac_ext conftest2.$ac_ext -rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext -ovs_link2='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest1.$ac_ext conftest2.$ac_ext $LIBS >&5' -AS_IF([_AC_DO_STDERR($ovs_link2) && { - test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && { - test "$cross_compiling" = yes || - AS_TEST_X([conftest$ac_exeext]) - }], - [$3], - [echo "$as_me: failed source file 1 of 2 was:" >&5 -sed 's/^/| /' conftest1.$ac_ext >&5 -echo "$as_me: failed source file 2 of 2 was:" >&5 -sed 's/^/| /' conftest2.$ac_ext >&5 - $4]) -dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization) -dnl information created by the PGI compiler (conftest_ipa8_conftest.oo), -dnl as it would interfere with the next link command. -rm -rf conftest.dSYM conftest1.dSYM conftest2.dSYM -rm -f core conftest.err conftest1.err conftest2.err -rm -f conftest1.$ac_objext conftest2.$ac_objext conftest*_ipa8_conftest*.oo -rm -f conftest$ac_exeext -rm -f m4_ifval([$1], [conftest1.$ac_ext]) m4_ifval([$2], [conftest1.$ac_ext])[]dnl -])# OVS_LINK2_IFELSE +dnl Checks for groff. +AC_DEFUN([OVS_CHECK_GROFF], + [AC_CACHE_CHECK( + [for groff], + [ovs_cv_groff], + [if (groff -v) >/dev/null 2>&1; then + ovs_cv_groff=yes + else + ovs_cv_groff=no + fi]) + AM_CONDITIONAL([HAVE_GROFF], [test "$ovs_cv_groff" = yes])]) -dnl Defines USE_LINKER_SECTIONS to 1 if the compiler supports putting -dnl variables in sections with user-defined names and the linker -dnl automatically defines __start_SECNAME and __stop_SECNAME symbols -dnl that designate the start and end of the sections. -AC_DEFUN([OVS_CHECK_LINKER_SECTIONS], +dnl Checks for thread-local storage support. +dnl +dnl Checks whether the compiler and linker support the C11 +dnl thread_local macro from , 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( - [for user-defined linker section support], - [ovs_cv_use_linker_sections], - [OVS_LINK2_IFELSE( - [AC_LANG_SOURCE( - [int a __attribute__((__section__("mysection"))) = 1; - int b __attribute__((__section__("mysection"))) = 2; - int c __attribute__((__section__("mysection"))) = 3;])], - [AC_LANG_PROGRAM( - [#include - extern int __start_mysection; - extern int __stop_mysection;], - [int n_ints = &__stop_mysection - &__start_mysection; - int *i; - for (i = &__start_mysection; i < &__start_mysection + n_ints; i++) { - printf("%d\n", *i); - }])], - [ovs_cv_use_linker_sections=yes], - [ovs_cv_use_linker_sections=no])]) - if test $ovs_cv_use_linker_sections = yes; then - AC_DEFINE([USE_LINKER_SECTIONS], [1], - [Define to 1 if the compiler support putting variables - into sections with user-defined names and the linker - automatically defines __start_SECNAME and __stop_SECNAME - symbols that designate the start and end of the section.]) + [whether $CC has that supports thread_local], + [ovs_cv_thread_local], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include +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 .]) + else + 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_LIBS +dnl +dnl Check to see if -latomic is need for GCC atomic built-ins. +AC_DEFUN([OVS_CHECK_ATOMIC_LIBS], + [AC_SEARCH_LIBS([__atomic_load_8], [atomic])]) + +dnl OVS_CHECK_GCC4_ATOMICS +dnl +dnl Checks whether the compiler and linker support GCC 4.0+ atomic built-ins. +dnl A compile-time only check is not enough because the compiler defers +dnl unimplemented built-ins to libgcc, which sometimes also lacks +dnl implementations. +AC_DEFUN([OVS_CHECK_GCC4_ATOMICS], + [AC_CACHE_CHECK( + [whether $CC supports GCC 4.0+ atomic built-ins], + [ovs_cv_gcc4_atomics], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[#include + +#define ovs_assert(expr) if (!(expr)) abort(); +#define TEST_ATOMIC_TYPE(TYPE) \ + { \ + TYPE x = 1; \ + TYPE orig; \ + \ + __sync_synchronize(); \ + ovs_assert(x == 1); \ + \ + __sync_synchronize(); \ + x = 3; \ + __sync_synchronize(); \ + ovs_assert(x == 3); \ + \ + orig = __sync_fetch_and_add(&x, 1); \ + ovs_assert(orig == 3); \ + __sync_synchronize(); \ + ovs_assert(x == 4); \ + \ + orig = __sync_fetch_and_sub(&x, 2); \ + ovs_assert(orig == 4); \ + __sync_synchronize(); \ + ovs_assert(x == 2); \ + \ + orig = __sync_fetch_and_or(&x, 6); \ + ovs_assert(orig == 2); \ + __sync_synchronize(); \ + ovs_assert(x == 6); \ + \ + orig = __sync_fetch_and_and(&x, 10); \ + ovs_assert(orig == 6); \ + __sync_synchronize(); \ + ovs_assert(x == 2); \ + \ + orig = __sync_fetch_and_xor(&x, 10); \ + ovs_assert(orig == 2); \ + __sync_synchronize(); \ + ovs_assert(x == 8); \ + }]], [dnl +TEST_ATOMIC_TYPE(char); +TEST_ATOMIC_TYPE(unsigned char); +TEST_ATOMIC_TYPE(signed char); +TEST_ATOMIC_TYPE(short); +TEST_ATOMIC_TYPE(unsigned short); +TEST_ATOMIC_TYPE(int); +TEST_ATOMIC_TYPE(unsigned int); +TEST_ATOMIC_TYPE(long int); +TEST_ATOMIC_TYPE(unsigned long int); +TEST_ATOMIC_TYPE(long long int); +TEST_ATOMIC_TYPE(unsigned long long int); +])], + [ovs_cv_gcc4_atomics=yes], + [ovs_cv_gcc4_atomics=no])]) + if test $ovs_cv_gcc4_atomics = yes; then + AC_DEFINE([HAVE_GCC4_ATOMICS], [1], + [Define to 1 if the C compiler and linker supports the GCC 4.0+ + atomic built-ins.]) + 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($1, 0). If the C compiler is not GCC or is + an older version of GCC, the value does not matter.]) fi]) + +dnl OVS_CHECK_POSIX_AIO +AC_DEFUN([OVS_CHECK_POSIX_AIO], + [AC_SEARCH_LIBS([aio_write], [rt]) + AM_CONDITIONAL([HAVE_POSIX_AIO], [test "$ac_cv_search_aio_write" != no])]) + +dnl OVS_CHECK_INCLUDE_NEXT +AC_DEFUN([OVS_CHECK_INCLUDE_NEXT], + [AC_REQUIRE([gl_CHECK_NEXT_HEADERS]) + gl_CHECK_NEXT_HEADERS([$1])])