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openvpn/configure.ac
james 9938544706 Added "setcon" directive for interoperability with SELinux 
(Sebastien Raveau).


git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@4932 e7ae566f-a301-0410-adde-c780ea21d3b5
2009-09-04 23:50:35 +00:00

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dnl OpenVPN -- An application to securely tunnel IP networks
dnl over a single UDP port, with support for SSL/TLS-based
dnl session authentication and key exchange,
dnl packet encryption, packet authentication, and
dnl packet compression.
dnl
dnl Copyright (C) 2002-2009 OpenVPN Technologies, Inc. <sales@openvpn.net>
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program (see the file COPYING included with this
dnl distribution); if not, write to the Free Software Foundation, Inc.,
dnl 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.50)
m4_include(version.m4)
AC_INIT([OpenVPN], [PRODUCT_VERSION], [openvpn-users@lists.sourceforge.net], [openvpn])
AM_CONFIG_HEADER(config.h)
AC_CONFIG_SRCDIR(syshead.h)
dnl Guess host type.
AC_CANONICAL_HOST
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(openvpn, [$PACKAGE_VERSION])
AC_ARG_WITH(cygwin-native,
[ --with-cygwin-native Compile native win32],
[CYGWIN_NATIVE="${withval}"],
[CYGWIN_NATIVE="no"]
)
WIN32="no"
CYGWIN="no"
case "${host}" in
*-mingw*)
WIN32="yes"
cross_compiling="yes"
;;
*-cygwin*)
AC_MSG_CHECKING([cygwin mode to use])
if test "${CYGWIN_NATIVE}" = "yes"; then
AC_MSG_RESULT([Using native win32])
CFLAGS="${CFLAGS} -mno-cygwin"
CYGWIN="yes"
WIN32="yes"
else
AC_MSG_RESULT([Using cygwin])
fi
;;
*)
;;
esac
AC_ARG_ENABLE(lzo,
[ --disable-lzo Disable LZO compression support],
[LZO="$enableval"],
[LZO="yes"]
)
AC_ARG_ENABLE(crypto,
[ --disable-crypto Disable OpenSSL crypto support],
[CRYPTO="$enableval"],
[CRYPTO="yes"]
)
AC_ARG_ENABLE(ssl,
[ --disable-ssl Disable OpenSSL SSL support for TLS-based key exchange],
[SSL="$enableval"],
[SSL="yes"]
)
AC_ARG_ENABLE(multi,
[ --disable-multi Disable client/server support (--mode server + client mode)],
[MULTI="$enableval"],
[MULTI="yes"]
)
AC_ARG_ENABLE(server,
[ --disable-server Disable server support only (but retain client support)],
[MULTI_SERVER="$enableval"],
[MULTI_SERVER="yes"]
)
AC_ARG_ENABLE(plugins,
[ --disable-plugins Disable plug-in support],
[PLUGINS="$enableval"],
[PLUGINS="yes"]
)
AC_ARG_ENABLE(management,
[ --disable-management Disable management server support],
[MANAGEMENT="$enableval"],
[MANAGEMENT="yes"]
)
AC_ARG_ENABLE(pkcs11,
[ --disable-pkcs11 Disable pkcs11 support],
[PKCS11="$enableval"],
[PKCS11="yes"]
)
AC_ARG_ENABLE(socks,
[ --disable-socks Disable Socks support],
[SOCKS="$enableval"],
[SOCKS="yes"]
)
AC_ARG_ENABLE(http,
[ --disable-http Disable HTTP proxy support],
[HTTP_PROXY="$enableval"],
[HTTP_PROXY="yes"]
)
AC_ARG_ENABLE(fragment,
[ --disable-fragment Disable internal fragmentation support (--fragment)],
[FRAGMENT="$enableval"],
[FRAGMENT="yes"]
)
AC_ARG_ENABLE(multihome,
[ --disable-multihome Disable multi-homed UDP server support (--multihome)],
[MULTIHOME="$enableval"],
[MULTIHOME="yes"]
)
AC_ARG_ENABLE(port-share,
[ --disable-port-share Disable TCP server port-share support (--port-share)],
[PORT_SHARE="$enableval"],
[PORT_SHARE="yes"]
)
AC_ARG_ENABLE(debug,
[ --disable-debug Disable debugging support (disable gremlin and verb 7+ messages)],
[DEBUG="$enableval"],
[DEBUG="yes"]
)
AC_ARG_ENABLE(small,
[ --enable-small Enable smaller executable size (disable OCC, usage message, and verb 4 parm list)],
[SMALL="$enableval"],
[SMALL="no"]
)
AC_ARG_ENABLE(pthread,
[ --enable-pthread Enable pthread support (Experimental for OpenVPN 2.0)],
[PTHREAD="$enableval"],
[PTHREAD="no"]
)
AC_ARG_ENABLE(password-save,
[ --enable-password-save Allow --askpass and --auth-user-pass passwords to be read from a file],
[PASSWORD_SAVE="$enableval"],
[PASSWORD_SAVE="no"]
)
AC_ARG_ENABLE(iproute2,
[ --enable-iproute2 Enable support for iproute2],
test $enableval = "yes" && AC_DEFINE(CONFIG_FEATURE_IPROUTE, 1, [enable iproute2 support])
)
AC_ARG_ENABLE(def-auth,
[ --disable-def-auth Disable deferred authentication],
[DEF_AUTH="$enableval"],
[DEF_AUTH="yes"]
)
AC_ARG_ENABLE(pf,
[ --disable-pf Disable internal packet filter],
[PF="$enableval"],
[PF="yes"]
)
AC_ARG_ENABLE(strict,
[ --enable-strict Enable strict compiler warnings (debugging option)],
[STRICT="$enableval"],
[STRICT="no"]
)
AC_ARG_ENABLE(pedantic,
[ --enable-pedantic Enable pedantic compiler warnings, will not generate a working executable (debugging option)],
[PEDANTIC="$enableval"],
[PEDANTIC="no"]
)
AC_ARG_ENABLE(profiling,
[ --enable-profiling Enable profiling (debugging option)],
[PROFILE="$enableval"],
[PROFILE="no"]
)
AC_ARG_ENABLE(strict-options,
[ --enable-strict-options Enable strict options check between peers (debugging option)],
[STRICT_OPTIONS="$enableval"],
[STRICT_OPTIONS="no"]
)
AC_ARG_ENABLE(selinux,
[ --disable-selinux Disable SELinux support],
[SELINUX="$enableval"],
[SELINUX="yes"]
)
AC_ARG_WITH(ssl-headers,
[ --with-ssl-headers=DIR Crypto/SSL Include files location],
[CS_HDR_DIR="$withval"]
[CPPFLAGS="$CPPFLAGS -I$withval"]
)
AC_ARG_WITH(ssl-lib,
[ --with-ssl-lib=DIR Crypto/SSL Library location],
[LDFLAGS="$LDFLAGS -L$withval"]
)
AC_ARG_WITH(lzo-headers,
[ --with-lzo-headers=DIR LZO Include files location],
[LZO_HDR_DIR="$withval"]
[CPPFLAGS="$CPPFLAGS -I$withval"]
)
AC_ARG_WITH(lzo-lib,
[ --with-lzo-lib=DIR LZO Library location],
[LDFLAGS="$LDFLAGS -L$withval"]
)
AC_ARG_WITH(pkcs11-helper-headers,
[ --with-pkcs11-helper-headers=DIR pkcs11-helper Include files location],
[PKCS11_HELPER_HDR_DIR="$withval"]
[CPPFLAGS="$CPPFLAGS -I$withval"]
)
AC_ARG_WITH(pkcs11-helper-lib,
[ --with-pkcs11-helper-lib=DIR pkcs11-helper Library location],
[LDFLAGS="$LDFLAGS -L$withval"]
)
AC_ARG_WITH(ifconfig-path,
[ --with-ifconfig-path=PATH Path to ifconfig tool],
[IFCONFIG="$withval"],
[AC_PATH_PROG([IFCONFIG], [ifconfig], [ifconfig], [$PATH:/usr/local/sbin:/usr/sbin:/sbin])]
)
AC_DEFINE_UNQUOTED(IFCONFIG_PATH, "$IFCONFIG", [Path to ifconfig tool])
AC_ARG_WITH(iproute-path,
[ --with-iproute-path=PATH Path to iproute tool],
[IPROUTE="$withval"],
[AC_PATH_PROG([IPROUTE], [ip], [ip], [$PATH:/usr/local/sbin:/usr/sbin:/sbin])]
)
AC_DEFINE_UNQUOTED(IPROUTE_PATH, "$IPROUTE", [Path to iproute tool])
AC_ARG_WITH(route-path,
[ --with-route-path=PATH Path to route tool],
[ROUTE="$withval"],
[AC_PATH_PROG([ROUTE], [route], [route], [$PATH:/usr/local/sbin:/usr/sbin:/sbin])]
)
AC_DEFINE_UNQUOTED(ROUTE_PATH, "$ROUTE", [Path to route tool])
AC_ARG_WITH(mem-check,
[ --with-mem-check=TYPE Build with debug memory checking, TYPE = dmalloc or valgrind],
[MEMCHECK="$withval"]
)
dnl fix search path, to allow compilers to find syshead.h
CPPFLAGS="$CPPFLAGS -I${srcdir}"
dnl check target OS
openvpn_target=$target
if test $target_alias; then
openvpn_target=$target_alias
fi
AC_DEFINE_UNQUOTED(TARGET_ALIAS, "$openvpn_target", [A string representing our target])
case "$target" in
*linux*)
AC_DEFINE(TARGET_LINUX, 1, [Are we running on Linux?])
dnl RH9 SSL headers workaround
if test -z $CS_HDR_DIR && test "$CRYPTO" = "yes"; then
CPPFLAGS="$CPPFLAGS $(pkg-config --cflags openssl 2>/dev/null)"
fi
;;
*solaris*)
AC_DEFINE(TARGET_SOLARIS, 1, [Are we running on Solaris?])
;;
*openbsd*)
AC_DEFINE(TARGET_OPENBSD, 1, [Are we running on OpenBSD?])
;;
*freebsd*)
AC_DEFINE(TARGET_FREEBSD, 1, [Are we running on FreeBSD?])
;;
*netbsd*)
AC_DEFINE(TARGET_NETBSD, 1, [Are we running NetBSD?])
;;
*darwin*)
dnl some Mac OS X tendering (we use vararg macros...)
AC_DEFINE(TARGET_DARWIN, 1, [Are we running on Mac OS X?])
CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
;;
*mingw*)
AC_DEFINE(TARGET_WIN32, 1, [Are we running WIN32?])
OPENVPN_ADD_LIBS(-lgdi32)
OPENVPN_ADD_LIBS(-lws2_32)
OPENVPN_ADD_LIBS(-lwininet)
OPENVPN_ADD_LIBS(-lcrypt32)
OPENVPN_ADD_LIBS(-liphlpapi)
OPENVPN_ADD_LIBS(-lwinmm)
;;
*dragonfly*)
AC_DEFINE(TARGET_DRAGONFLY, 1, [Are we running on DragonFlyBSD?])
;;
esac
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_GCC_TRADITIONAL
AC_GNU_SOURCE
if test "${WIN32}" = "yes"; then
AC_ARG_VAR([MAN2HTML], [man2html utility])
AC_CHECK_PROGS([MAN2HTML], [man2html])
test -z "${MAN2HTML}" && AC_MSG_ERROR([man2html is required for win32])
fi
dnl Checks for header files.
AC_HEADER_STDC
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UID_T
TYPE_SOCKLEN_T
AC_HEADER_TIME
AX_CPP_VARARG_MACRO_ISO
AX_CPP_VARARG_MACRO_GCC
AX_EMPTY_ARRAY
dnl Check for more header files.
AC_CHECK_HEADERS(fcntl.h stdlib.h dnl
stdarg.h stdio.h string.h dnl
strings.h ctype.h errno.h dnl
)
if test "${WIN32}" != "yes"; then
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(sys/time.h sys/socket.h sys/un.h sys/ioctl.h sys/stat.h dnl
sys/mman.h fcntl.h sys/file.h stdlib.h stdint.h dnl
stdarg.h unistd.h signal.h stdio.h string.h dnl
strings.h ctype.h errno.h syslog.h pwd.h grp.h dnl
net/if_tun.h net/tun/if_tun.h stropts.h sys/sockio.h dnl
netinet/in.h netinet/in_systm.h dnl
netinet/tcp.h arpa/inet.h dnl
netdb.h sys/uio.h linux/if_tun.h linux/sockios.h dnl
linux/types.h sys/poll.h sys/epoll.h err.h dnl
)
AC_CHECK_HEADERS(net/if.h,,,
[#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip.h,,,
[#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
])
AC_CHECK_HEADERS(netinet/if_ether.h,,,
[#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])
AC_CHECK_HEADERS(resolv.h,,,
[#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])
AC_CHECK_HEADERS(linux/errqueue.h,,,
[#ifdef HAVE_LINUX_TYPES_H
# include <linux/types.h>
#endif
])
fi
AC_CACHE_SAVE
dnl check that in_addr_t is defined
AC_CHECK_TYPE(
[in_addr_t],
[],
[AC_DEFINE(in_addr_t, uint32_t, [Some systems don't define in_addr_t])],
[#include "syshead.h"])
dnl check for basic types
AC_CHECK_TYPE(
[uint8_t],
[],
[AC_DEFINE(uint8_t, unsigned char, [8-bit unsigned type])],
[#include "syshead.h"])
AC_CHECK_TYPE(
[uint16_t],
[],
[AC_DEFINE(uint16_t, unsigned char, [16-bit unsigned type])],
[#include "syshead.h"])
AC_CHECK_TYPE(
[uint32_t],
[],
[AC_DEFINE(uint32_t, unsigned long, [32-bit unsigned type])],
[#include "syshead.h"])
dnl check for IPv6 types
AC_CHECK_TYPE(
[struct tun_pi],
[AC_DEFINE(HAVE_TUN_PI, 1, [struct tun_pi needed for IPv6 support])],
[],
[#include "syshead.h"])
AC_CHECK_TYPE(
[struct iphdr],
[AC_DEFINE(HAVE_IPHDR, 1, [struct iphdr needed for IPv6 support])],
[],
[#include "syshead.h"])
AC_CHECK_TYPE(
[struct iovec],
[AC_DEFINE(HAVE_IOVEC, 1, [struct iovec needed for IPv6 support])],
[],
[#include "syshead.h"])
dnl check for extended socket error types
AC_CHECK_TYPE(
[struct sock_extended_err],
[AC_DEFINE(HAVE_SOCK_EXTENDED_ERR, 1, [struct sock_extended_err needed for extended socket error support])],
[],
[#include "syshead.h"])
AC_CHECK_TYPE(
[struct msghdr],
[AC_DEFINE(HAVE_MSGHDR, 1, [struct msghdr needed for extended socket error support])],
[],
[#include "syshead.h"])
AC_CHECK_TYPE(
[struct cmsghdr],
[AC_DEFINE(HAVE_CMSGHDR, 1, [struct cmsghdr needed for extended socket error support])],
[],
[#include "syshead.h"])
AC_CHECK_TYPE(
[struct in_pktinfo],
[AC_DEFINE(HAVE_IN_PKTINFO, 1, [struct in_pktinfo needed for IP_PKTINFO support])],
[],
[#include "syshead.h"])
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
AC_CACHE_SAVE
AC_CHECK_FUNCS([ctime memset vsnprintf strdup], ,
[AC_MSG_ERROR([Required library function not found])])
AC_CHECK_FUNCS(daemon chroot getpwnam setuid nice system getpid dup dup2 dnl
getpass strerror syslog openlog mlockall getgrnam setgid dnl
setgroups stat flock readv writev time dnl
setsid chdir putenv getpeername unlink dnl
chsize ftruncate execve getpeereid umask)
# Windows use stdcall for winsock so we cannot auto detect these
m4_define([SOCKET_FUNCS], [socket recv recvfrom send sendto listen dnl
accept connect bind select gethostbyname inet_ntoa])
m4_define([SOCKET_OPT_FUNCS], [setsockopt getsockopt getsockname poll])
if test "${WIN32}" = "yes"; then
AC_DEFINE([HAVE_GETTIMEOFDAY], [1], [We fake gettimeofday for win32 at otime.c])
m4_foreach([F], m4_split(SOCKET_FUNCS SOCKET_OPT_FUNCS),
m4_define(UF, [[m4_join([_], [HAVE], m4_toupper(F))]])
AC_DEFINE([UF], [1], [Win32 builtin]))
else
dnl check for other types
AC_TYPE_SIGNAL
dnl Check for libsocket
AC_SEARCH_LIBS(socket, socket)
dnl Check for libnsl
AC_SEARCH_LIBS(inet_ntoa, nsl)
dnl Check for libresolv
AC_SEARCH_LIBS(gethostbyname, resolv nsl)
dnl optional library functions
AC_FUNC_FORK
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_FUNCS(SOCKET_FUNCS, ,
[AC_MSG_ERROR([Required library function not found])])
AC_CHECK_FUNCS(SOCKET_OPT_FUNCS sendmsg recvmsg)
fi
dnl Required library functions
AC_FUNC_MEMCMP
dnl
dnl Check for res_init
dnl
AC_TRY_LINK([
#include <resolv.h>
], [
res_init ();
], [
AC_MSG_RESULT([res_init DEFINED])
AC_DEFINE([HAVE_RES_INIT], 1, [Indicates if res_init is available])
], [
AC_MSG_RESULT([res_init UNDEFINED])
])
dnl
dnl check libraries
dnl
dnl Checking for a working epoll
AC_CHECKING([for working epoll implementation])
OLDLDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--fatal-warnings"
AC_CHECK_FUNC(epoll_create, AC_DEFINE(HAVE_EPOLL_CREATE, 1, [epoll_create function is defined]))
LDFLAGS="$OLDLDFLAGS"
dnl
dnl check for valgrind tool
dnl
if test "$MEMCHECK" = "valgrind"; then
AC_CHECKING([for valgrind tool and Header files])
AC_CHECK_HEADER(valgrind/memcheck.h,
[
AC_DEFINE(USE_VALGRIND, 1, [Use valgrind memory debugging library])
CFLAGS="-g -fno-inline"
],
[AC_MSG_ERROR([valgrind headers not found.])]
)
fi
dnl
dnl check for pthread library
dnl
if test "$PTHREAD" = "yes"; then
AC_CHECKING([for pthread support])
AC_MSG_RESULT([********* WARNING: pthread support is experimental for OpenVPN 2.0])
ACX_PTHREAD(
[
case "$target" in
*openbsd*)
AC_MSG_RESULT([WARNING: pthread support on OpenBSD is unstable!])
CFLAGS="$CFLAGS -pthread"
;;
esac
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"
AC_DEFINE(USE_PTHREAD, 1, [Use pthread-based multithreading])
],
[
AC_MSG_RESULT([I don't know how to build with pthread support on this platform.])
AC_MSG_ERROR([try ./configure --disable-pthread])
])
fi
dnl
dnl check for dmalloc library
dnl
if test "$MEMCHECK" = "dmalloc"; then
AC_CHECKING([for dmalloc Library and Header files])
AC_CHECK_HEADER(dmalloc.h,
[AC_CHECK_LIB(dmalloc, malloc,
[
if test "$PTHREAD" = "yes"; then
OPENVPN_ADD_LIBS(-ldmallocth)
else
OPENVPN_ADD_LIBS(-ldmalloc)
fi
AC_DEFINE(DMALLOC, 1, [Use dmalloc memory debugging library])
],
[AC_MSG_ERROR([dmalloc library not found.])]
)],
[AC_MSG_ERROR([dmalloc headers not found.])]
)
fi
dnl
dnl Check for dlopen -- first try libc then libdl.
dnl
if test "${WIN32}" != "yes"; then
if test "$PLUGINS" = "yes"; then
AC_CHECKING([for libdl Library and Header files])
AC_CHECK_HEADER(dlfcn.h,
[AC_CHECK_FUNC(dlopen,
[AC_DEFINE(USE_LIBDL, 1, [Use libdl for dynamic library loading])],
[AC_CHECK_LIB(dl, dlopen,
[
OPENVPN_ADD_LIBS(-ldl)
AC_DEFINE(USE_LIBDL, 1, [Use libdl for dynamic library loading])
],
[AC_MSG_RESULT([libdl library not found.])]
)],
)],
[AC_MSG_RESULT([libdl headers not found.])]
)
fi
fi
dnl
dnl Check if LoadLibrary exists on Windows
dnl
if test "${WIN32}" = "yes"; then
if test "$PLUGINS" = "yes"; then
AC_TRY_LINK([
#include <windows.h>
], [
LoadLibrary (NULL);
], [
AC_MSG_RESULT([LoadLibrary DEFINED])
AC_DEFINE(USE_LOAD_LIBRARY, 1, [Use LoadLibrary to load DLLs on Windows])
], [
AC_MSG_RESULT([LoadLibrary UNDEFINED])
])
fi
fi
dnl
dnl check for LZO library
dnl
if test "$LZO" = "yes"; then
LZO_H=""
AC_CHECKING([for LZO Library and Header files])
AC_CHECK_HEADER(lzo/lzo1x.h,
[ LZO_H="2"
lzolibs="lzo2 lzo"
AC_DEFINE(LZO_HEADER_DIR, 1, [Use lzo/ directory prefix for LZO header files (for LZO 2.0)])
],
[ AC_CHECK_HEADER(lzo1x.h, [ LZO_H="1" ; lzolibs=lzo ]) ]
)
if test -n "$LZO_H"; then
havelzolib=0
for i in $lzolibs ; do
if test $havelzolib = 1 ; then break ; fi
AC_CHECK_LIB($i, lzo1x_1_15_compress,
[
OPENVPN_ADD_LIBS(-l$i)
AC_DEFINE(USE_LZO, 1, [Use LZO compression library])
AC_DEFINE_UNQUOTED(LZO_VERSION_NUM, "$LZO_H", [LZO version number])
havelzolib=1
]
)
done
if test $havelzolib = 0 ; then
AC_MSG_ERROR([LZO headers were found but LZO library was not found])
fi
else
AC_MSG_RESULT([LZO headers were not found])
AC_MSG_RESULT([LZO library available from http://www.oberhumer.com/opensource/lzo/])
AC_MSG_ERROR([Or try ./configure --disable-lzo])
fi
fi
dnl
dnl check for OpenSSL-crypto library
dnl
if test "$CRYPTO" = "yes"; then
AC_CHECKING([for OpenSSL Crypto Library and Header files])
AC_CHECK_HEADER(openssl/evp.h,,
[AC_MSG_ERROR([OpenSSL Crypto headers not found.])])
for lib in crypto eay32; do
AC_CHECK_LIB($lib, EVP_CIPHER_CTX_init,
[
cryptofound=1
OPENVPN_ADD_LIBS(-l$lib)
]
)
done
test -n "$cryptofound" || AC_MSG_ERROR([OpenSSL Crypto library not found.])
AC_MSG_CHECKING([that OpenSSL Library is at least version 0.9.6])
AC_EGREP_CPP(yes,
[
#include <openssl/evp.h>
#if SSLEAY_VERSION_NUMBER >= 0x00906000L
yes
#endif
],
[
AC_MSG_RESULT([yes])
AC_DEFINE(USE_CRYPTO, 1, [Use OpenSSL crypto library])
AC_CHECK_FUNCS(EVP_CIPHER_CTX_set_key_length)
dnl check for OpenSSL crypto acceleration capability
AC_CHECK_HEADERS(openssl/engine.h)
AC_CHECK_FUNCS(ENGINE_load_builtin_engines)
AC_CHECK_FUNCS(ENGINE_register_all_complete)
AC_CHECK_FUNCS(ENGINE_cleanup)
],
[AC_MSG_ERROR([OpenSSL crypto Library is too old.])]
)
dnl
dnl check for OpenSSL-SSL library
dnl
if test "$SSL" = "yes"; then
AC_CHECKING([for OpenSSL SSL Library and Header files])
AC_CHECK_HEADER(openssl/ssl.h,,
[AC_MSG_ERROR([OpenSSL SSL headers not found.])]
)
for lib in ssl ssl32; do
AC_CHECK_LIB($lib, SSL_CTX_new,
[
sslfound=1
OPENVPN_ADD_LIBS(-l$lib)
]
)
done
test -n "${sslfound}" || AC_MSG_ERROR([OpenSSL SSL library not found.])
if test "$MEMCHECK" = "ssl"; then
AC_CHECKING([for Memory Debugging Capabilities in OpenSSL Library])
AC_CHECK_LIB(ssl, CRYPTO_mem_ctrl,
[
AC_DEFINE(CRYPTO_MDEBUG, 1, [Use memory debugging function in OpenSSL])
AC_MSG_RESULT([NOTE: OpenSSL library must be compiled with CRYPTO_MDEBUG])
],
[AC_MSG_ERROR([Memory Debugging function in OpenSSL library not found.])]
)
fi
AC_DEFINE(USE_SSL, 1, [Use OpenSSL SSL library])
fi
fi
dnl enable pkcs11 capability
if test "$PKCS11" = "yes"; then
AC_CHECKING([for pkcs11-helper Library and Header files])
AC_CHECK_HEADER(pkcs11-helper-1.0/pkcs11h-core.h,
[AC_CHECK_LIB(pkcs11-helper, pkcs11h_initialize,
[
AC_DEFINE(USE_PKCS11, 1, [Enable PKCS11 capability])
OPENVPN_ADD_LIBS(-lpkcs11-helper)
],
[AC_MSG_RESULT([pkcs11-helper library not found.])]
)],
[AC_MSG_RESULT([pkcs11-helper headers not found.])]
)
fi
dnl enable multi-client mode
if test "$MULTI" = "yes"; then
AC_DEFINE(ENABLE_CLIENT_SERVER, 1, [Enable client/server capability])
fi
dnl enable client mode only, not server
if test "$MULTI_SERVER" = "no"; then
AC_DEFINE(ENABLE_CLIENT_ONLY, 1, [Enable client capability only])
fi
dnl enable management server capability
if test "$MANAGEMENT" = "yes"; then
AC_DEFINE(ENABLE_MANAGEMENT, 1, [Enable management server capability])
fi
dnl enable socks
if test "$SOCKS" = "yes"; then
AC_DEFINE(ENABLE_SOCKS, 1, [Enable Socks proxy support])
fi
dnl enable HTTP proxy
if test "$HTTP_PROXY" = "yes"; then
AC_DEFINE(ENABLE_HTTP_PROXY, 1, [Enable HTTP proxy support])
fi
dnl compile --multihome option
if test "$MULTIHOME" = "yes"; then
AC_DEFINE(ENABLE_MULTIHOME, 1, [Enable multi-homed UDP server capability])
fi
dnl enable debugging
if test "$DEBUG" = "yes"; then
AC_DEFINE(ENABLE_DEBUG, 1, [Enable debugging support])
fi
dnl enable small size optimizations
if test "$SMALL" = "yes"; then
AC_DEFINE(ENABLE_SMALL, 1, [Enable smaller executable size])
fi
dnl enable --fragment
if test "$FRAGMENT" = "yes"; then
AC_DEFINE(ENABLE_FRAGMENT, 1, [Enable internal fragmentation support])
fi
dnl enable --port-share
if test "$PORT_SHARE" = "yes"; then
AC_DEFINE(ENABLE_PORT_SHARE, 1, [Enable TCP Server port sharing])
fi
dnl enable deferred auth
if test "$DEF_AUTH" = "yes"; then
AC_DEFINE(CONFIGURE_DEF_AUTH, 1, [Enable deferred authentication])
fi
dnl enable internal packet filter
if test "$PF" = "yes"; then
AC_DEFINE(CONFIGURE_PF, 1, [Enable internal packet filter])
fi
dnl enable strict compiler warnings
if test "$STRICT" = "yes"; then
CFLAGS="$CFLAGS -Wall -Wno-unused-parameter -Wno-unused-function"
fi
dnl enable pedantic compiler warnings
if test "$PEDANTIC" = "yes"; then
CFLAGS="$CFLAGS -ansi -pedantic"
fi
dnl enable profiling
if test "$PROFILE" = "yes"; then
CFLAGS="$CFLAGS -pg -DENABLE_PROFILING"
fi
dnl enable strict options check between peers
if test "$STRICT_OPTIONS" = "yes"; then
AC_DEFINE(STRICT_OPTIONS_CHECK, 1, [Enable strict options check between peers])
fi
dnl enable password save
if test "$PASSWORD_SAVE" = "yes"; then
AC_DEFINE(ENABLE_PASSWORD_SAVE, 1, [Allow --askpass and --auth-user-pass passwords to be read from a file])
fi
dnl
dnl check for SELinux library and headers
dnl
if test "$SELINUX" = "yes"; then
AC_CHECKING([for libselinux Library and Header files])
AC_CHECK_HEADER(selinux/selinux.h,
[AC_CHECK_LIB(selinux, setcon,
[
OPENVPN_ADD_LIBS(-lselinux)
AC_DEFINE(HAVE_SETCON, 1, [SELinux support])
],
[AC_MSG_RESULT([SELinux library not found.])]
)],
[AC_MSG_RESULT([SELinux headers not found.])]
)
fi
TAP_ID="PRODUCT_TAP_ID"
TAP_WIN32_MIN_MAJOR="PRODUCT_TAP_WIN32_MIN_MAJOR"
TAP_WIN32_MIN_MINOR="PRODUCT_TAP_WIN32_MIN_MINOR"
AC_DEFINE_UNQUOTED(TAP_ID, "${TAP_ID}", [The TAP-Win32 id defined in tap-win32/SOURCES])
AC_DEFINE_UNQUOTED(TAP_WIN32_MIN_MAJOR, ${TAP_WIN32_MIN_MAJOR}, [The TAP-Win32 version number is defined in tap-win32/SOURCES])
AC_DEFINE_UNQUOTED(TAP_WIN32_MIN_MINOR, ${TAP_WIN32_MIN_MINOR}, [The TAP-Win32 version number is defined in tap-win32/SOURCES])
AC_SUBST(TAP_ID)
AC_SUBST(TAP_WIN32_MIN_MAJOR)
AC_SUBST(TAP_WIN32_MIN_MINOR)
win32datadir="\${datadir}/${PACKAGE}-win32"
AC_SUBST(win32datadir)
AM_CONDITIONAL(WIN32, test "${WIN32}" = "yes")
# workaround for <autoconf-2.60
if test -z "${docdir}"; then
docdir="\$(datadir)/doc/\$(PACKAGE_NAME)"
AC_SUBST([docdir])
fi
if test -z "${htmldir}"; then
htmldir="\$(docdir)"
AC_SUBST([htmldir])
fi
# end workaround
AC_OUTPUT([
Makefile
openvpn.spec
config-win32.h
images/Makefile
service-win32/Makefile
install-win32/Makefile
install-win32/settings
])
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