diff options
Diffstat (limited to 'm4/openvswitch.m4')
| -rw-r--r-- | m4/openvswitch.m4 | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4 new file mode 100644 index 000000000..7b23516a4 --- /dev/null +++ b/m4/openvswitch.m4 @@ -0,0 +1,210 @@ +# -*- autoconf -*- + +# Copyright (c) 2008, 2009 Nicira Networks. +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +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], + [Disable debugging features for max performance])], + [case "${enableval}" in + (yes) ndebug=true ;; + (no) ndebug=false ;; + (*) AC_MSG_ERROR([bad value ${enableval} for --enable-ndebug]) ;; + esac], + [ndebug=false]) + AM_CONDITIONAL([NDEBUG], [test x$ndebug = xtrue])]) + +dnl Checks for Netlink support. +AC_DEFUN([OVS_CHECK_NETLINK], + [AC_CHECK_HEADER([linux/netlink.h], + [HAVE_NETLINK=yes], + [HAVE_NETLINK=no], + [#include <sys/socket.h> + #include <linux/types.h> + ]) + AM_CONDITIONAL([HAVE_NETLINK], [test "$HAVE_NETLINK" = yes]) + if test "$HAVE_NETLINK" = yes; then + AC_DEFINE([HAVE_NETLINK], [1], + [Define to 1 if Netlink protocol is available.]) + fi]) + +dnl Checks for OpenSSL, if --enable-ssl is passed in. +AC_DEFUN([OVS_CHECK_OPENSSL], + [AC_ARG_ENABLE( + [ssl], + [AC_HELP_STRING([--enable-ssl], + [Enable ssl support (requires libssl)])], + [case "${enableval}" in + (yes) ssl=true ;; + (no) ssl=false ;; + (*) AC_MSG_ERROR([bad value ${enableval} for --enable-ssl]) ;; + esac], + [ssl=false]) + + if test "$ssl" = true; then + dnl Make sure that pkg-config is installed. + m4_pattern_forbid([PKG_CHECK_MODULES]) + PKG_CHECK_MODULES([SSL], [libssl], + [HAVE_OPENSSL=yes], + [HAVE_OPENSSL=no + AC_MSG_WARN([Cannot find libssl: + + $SSL_PKG_ERRORS + + OpenFlow connections over SSL will not be supported.])]) + + fi + AM_CONDITIONAL([HAVE_OPENSSL], [test "$HAVE_OPENSSL" = yes]) + if test "$HAVE_OPENSSL" = yes; then + AC_DEFINE([HAVE_OPENSSL], [1], [Define to 1 if OpenSSL is installed.]) + fi]) + +dnl Checks for libraries needed by lib/fault.c. +AC_DEFUN([OVS_CHECK_FAULT_LIBS], + [AC_CHECK_LIB([dl], [dladdr], [FAULT_LIBS=-ldl]) + AC_SUBST([FAULT_LIBS])]) + +dnl Checks for libraries needed by lib/socket-util.c. +AC_DEFUN([OVS_CHECK_SOCKET_LIBS], + [AC_CHECK_LIB([socket], [connect]) + AC_SEARCH_LIBS([gethostbyname], [resolv], [RESOLVER_LIBS=-lresolv])]) + +dnl Checks for the directory in which to store the PKI. +AC_DEFUN([OVS_CHECK_PKIDIR], + [AC_ARG_WITH( + [pkidir], + AC_HELP_STRING([--with-pkidir=DIR], + [PKI hierarchy directory [[DATADIR/openvswitch/pki]]]), + [PKIDIR=$withval], + [PKIDIR='${pkgdatadir}/pki']) + AC_SUBST([PKIDIR])]) + +dnl Checks for the directory in which to store pidfiles. +AC_DEFUN([OVS_CHECK_RUNDIR], + [AC_ARG_WITH( + [rundir], + AC_HELP_STRING([--with-rundir=DIR], + [directory used for pidfiles [[LOCALSTATEDIR/run]]]), + [RUNDIR=$withval], + [RUNDIR='${localstatedir}/run']) + AC_SUBST([RUNDIR])]) + +dnl Checks for the directory in which to store logs. +AC_DEFUN([OVS_CHECK_LOGDIR], + [AC_ARG_WITH( + [logdir], + AC_HELP_STRING([--with-logdir=DIR], + [directory used for logs [[LOCALSTATEDIR/log/PACKAGE]]]), + [LOGDIR=$withval], + [LOGDIR='${localstatedir}/log/${PACKAGE}']) + AC_SUBST([LOGDIR])]) + +dnl Checks for __malloc_hook, etc., supported by glibc. +AC_DEFUN([OVS_CHECK_MALLOC_HOOKS], + [AC_CACHE_CHECK( + [whether libc supports hooks for malloc and related functions], + [ovs_cv_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], + [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_CHECK_HEADERS([valgrind/valgrind.h])]) + +dnl Searches for a directory to put lockfiles for tty devices. +dnl Defines C preprocessor variable TTY_LOCK_DIR to a quoted string +dnl for that directory. +AC_DEFUN([OVS_CHECK_TTY_LOCK_DIR], + [AC_CACHE_CHECK([directory used for serial device lockfiles], + [ovs_cv_path_tty_locks], + [# This list of candidate directories is from minicom. + ovs_cv_path_tty_locks=none + for dir in /etc/locks /var/lock /usr/spool/locks \ + /var/spool/locks /var/spool/lock \ + /usr/spool/uucp /var/spool/uucp /var/run; do + if test -d $dir; then + ovs_cv_path_tty_locks=$dir + break + fi + done]) + if test "$ovs_cv_path_tty_locks" = none; then + AC_MSG_ERROR([cannot find a directory for tty locks]) + fi + AC_DEFINE_UNQUOTED([TTY_LOCK_DIR], "$ovs_cv_path_tty_locks", + [Directory used for serial device lockfiles])]) + +dnl The following check is adapted from GNU PSPP. +dnl It searches for the ncurses library. If it finds it, it sets +dnl HAVE_CURSES to yes and sets NCURSES_LIBS and NCURSES_CFLAGS +dnl appropriate. Otherwise, it sets HAVE_CURSES to no. +AC_DEFUN([OVS_CHECK_CURSES], + [if test "$cross_compiling" != yes; then + AC_CHECK_PROGS([NCURSES_CONFIG], [ncurses5-config ncurses8-config]) + fi + if test "$NCURSES_CONFIG" = ""; then + AC_SEARCH_LIBS([tgetent], [ncurses], + [AC_CHECK_HEADERS([term.h curses.h], + [HAVE_CURSES=yes], + [HAVE_CURSES=no])]) + else + save_cflags=$CFLAGS + CFLAGS="$CFLAGS $($NCURSES_CONFIG --cflags)" + AC_CHECK_HEADERS([term.h curses.h], + [HAVE_CURSES=yes], + [HAVE_CURSES=no]) + CFLAGS=$save_cflags + if test "$HAVE_CURSES" = yes; then + NCURSES_LIBS=$($NCURSES_CONFIG --libs) + NCURSES_CFLAGS=$($NCURSES_CONFIG --cflags) + AC_SUBST(NCURSES_CFLAGS) + AC_SUBST(NCURSES_LIBS) + fi + fi + AM_CONDITIONAL([HAVE_CURSES], [test "$HAVE_CURSES" = yes])]) + +dnl Checks for linux/vt.h. +AC_DEFUN([OVS_CHECK_LINUX_VT_H], + [AC_CHECK_HEADER([linux/vt.h], + [HAVE_LINUX_VT_H=yes], + [HAVE_LINUX_VT_H=no]) + AM_CONDITIONAL([HAVE_LINUX_VT_H], [test "$HAVE_LINUX_VT_H" = yes]) + if test "$HAVE_LINUX_VT_H" = yes; then + AC_DEFINE([HAVE_LINUX_VT_H], [1], + [Define to 1 if linux/vt.h is available.]) + fi]) + +dnl Checks for libpcre. +AC_DEFUN([OVS_CHECK_PCRE], + [dnl Make sure that pkg-config is installed. + m4_pattern_forbid([PKG_CHECK_MODULES]) + PKG_CHECK_MODULES([PCRE], [libpcre], [HAVE_PCRE=yes], [HAVE_PCRE=no]) + AM_CONDITIONAL([HAVE_PCRE], [test "$HAVE_PCRE" = yes]) + if test "$HAVE_PCRE" = yes; then + AC_DEFINE([HAVE_PCRE], [1], [Define to 1 if libpcre is installed.]) + fi]) |