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configure.ac
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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) 2002-2010 OpenVPN Technologies, Inc. <[email protected]>
dnl Copyright (C) 2006-2012 Alon Bar-Lev <[email protected]>
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(2.59)
m4_include(version.m4)
AC_INIT([PRODUCT_NAME], [PRODUCT_VERSION], [PRODUCT_BUGREPORT], [PRODUCT_TARNAME])
m4_include(compat.m4)
AC_DEFINE([OPENVPN_VERSION_RESOURCE], [PRODUCT_VERSION_RESOURCE], [Version in windows resource format])
AC_CONFIG_AUX_DIR([.])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([src/openvpn/syshead.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE
AC_CANONICAL_HOST
AC_USE_SYSTEM_EXTENSIONS
AC_ARG_ENABLE(
[lzo],
[AS_HELP_STRING([--disable-lzo], [disable LZO compression support @<:@default=yes@:>@])],
,
[enable_lzo="yes"]
)
AC_ARG_ENABLE(snappy,
[ --disable-snappy Disable Snappy compression support],
[enable_snappy="$enableval"],
[enable_snappy="yes"]
)
AC_ARG_ENABLE(lz4,
[ --disable-lz4 Disable LZ4 compression support],
[enable_lz4="$enableval"],
[enable_lz4="yes"]
)
AC_ARG_ENABLE(comp-stub,
[ --enable-comp-stub Don't compile compression support but still allow limited interoperability with compression-enabled peers],
[enable_comp_stub="$enableval"],
[enable_comp_stub="no"]
)
AC_ARG_ENABLE(
[crypto],
[AS_HELP_STRING([--disable-crypto], [disable crypto support @<:@default=yes@:>@])],
,
[enable_crypto="yes"]
)
AC_ARG_ENABLE(
[ssl],
[AS_HELP_STRING([--disable-ssl], [disable SSL support for TLS-based key exchange @<:@default=yes@:>@])],
,
[enable_ssl="yes"]
)
AC_ARG_ENABLE(
[x509-alt-username],
[AS_HELP_STRING([--enable-x509-alt-username], [enable the --x509-username-field feature @<:@default=no@:>@])],
,
[enable_x509_alt_username="no"]
)
AC_ARG_ENABLE(
[multi],
[AS_HELP_STRING([--disable-multi], [disable client/server support (--mode server + client mode) @<:@default=yes@:>@])],
,
[enable_multi="yes"]
)
AC_ARG_ENABLE(
[server],
[AS_HELP_STRING([--disable-server], [disable server support only (but retain client support) @<:@default=yes@:>@])],
,
[enable_server="yes"]
)
AC_ARG_ENABLE(
[plugins],
[AS_HELP_STRING([--disable-plugins], [disable plug-in support @<:@default=yes@:>@])],
,
[enable_plugins="yes"]
)
AC_ARG_ENABLE(
[management],
[AS_HELP_STRING([--disable-management], [disable management server support @<:@default=yes@:>@])],
,
[enable_management="yes"]
)
AC_ARG_ENABLE(
[pkcs11],
[AS_HELP_STRING([--enable-pkcs11], [enable pkcs11 support @<:@default=no@:>@])],
,
[enable_pkcs11="no"]
)
AC_ARG_ENABLE(
[socks],
[AS_HELP_STRING([--disable-socks], [disable Socks support @<:@default=yes@:>@])],
,
[enable_socks="yes"]
)
AC_ARG_ENABLE(
[http-proxy],
[AS_HELP_STRING([--disable-http-proxy], [disable HTTP proxy support @<:@default=yes@:>@])],
,
[enable_http_proxy="yes"]
)
AC_ARG_ENABLE(
[fragment],
[AS_HELP_STRING([--disable-fragment], [disable internal fragmentation support (--fragment) @<:@default=yes@:>@])],
,
[enable_fragment="yes"]
)
AC_ARG_ENABLE(
[multihome],
[AS_HELP_STRING([--disable-multihome], [disable multi-homed UDP server support (--multihome) @<:@default=yes@:>@])],
,
[enable_multihome="yes"]
)
AC_ARG_ENABLE(
[port-share],
[AS_HELP_STRING([--disable-port-share], [disable TCP server port-share support (--port-share) @<:@default=yes@:>@])],
,
[enable_port_share="yes"]
)
AC_ARG_ENABLE(
[debug],
[AS_HELP_STRING([--disable-debug], [disable debugging support (disable gremlin and verb 7+ messages) @<:@default=yes@:>@])],
,
[enable_debug="yes"]
)
AC_ARG_ENABLE(
[small],
[AS_HELP_STRING([--enable-small], [enable smaller executable size (disable OCC, usage message, and verb 4 parm list) @<:@default=yes@:>@])],
,
[enable_small="no"]
)
AC_ARG_ENABLE(
[password-save],
[AS_HELP_STRING([--enable-password-save], [allow --askpass and --auth-user-pass passwords to be read from a file @<:@default=yes@:>@])],
,
[enable_password_save="no"]
)
AC_ARG_ENABLE(
[iproute2],
[AS_HELP_STRING([--enable-iproute2], [enable support for iproute2 @<:@default=no@:>@])],
,
[enable_iproute2="no"]
)
AC_ARG_ENABLE(
[def-auth],
[AS_HELP_STRING([--disable-def-auth], [disable deferred authentication @<:@default=yes@:>@])],
,
[enable_def_auth="yes"]
)
AC_ARG_ENABLE(
[pf],
[AS_HELP_STRING([--disable-pf], [disable internal packet filter @<:@default=yes@:>@])],
,
[enable_pf="yes"]
)
AC_ARG_ENABLE(
[plugin-auth-pam],
[AS_HELP_STRING([--disable-plugin-auth-pam], [disable auth-pam plugin @<:@default=platform specific@:>@])],
,
[
case "$host" in
*-*-openbsd*) enable_plugin_auth_pam="no";;
*-mingw*) enable_plugin_auth_pam="no";;
*) enable_plugin_auth_pam="yes";;
esac
]
)
AC_ARG_ENABLE(
[plugin-down-root],
[AS_HELP_STRING([--disable-plugin-down-root], [disable down-root plugin @<:@default=platform specific@:>@])],
,
[
case "$host" in
*-mingw*) enable_plugin_down_root="no";;
*) enable_plugin_down_root="yes";;
esac
]
)
AC_ARG_ENABLE(
[pam-dlopen],
[AS_HELP_STRING([--enable-pam-dlopen], [dlopen libpam @<:@default=no@:>@])],
,
[enable_pam_dlopen="no"]
)
AC_ARG_ENABLE(
[strict],
[AS_HELP_STRING([--enable-strict], [enable strict compiler warnings (debugging option) @<:@default=no@:>@])],
,
[enable_strict="no"]
)
AC_ARG_ENABLE(
[pedantic],
[AS_HELP_STRING([--enable-pedantic], [enable pedantic compiler warnings, will not generate a working executable (debugging option) @<:@default=no@:>@])],
,
[enable_pedantic="no"]
)
AC_ARG_ENABLE(
[werror],
[AS_HELP_STRING([--enable-werror], [promote compiler warnings to errors, will cause builds to fail is the compiler issues warnings (debugging option) @<:@default=no@:>@])],
,
[enable_werror="no"]
)
AC_ARG_ENABLE(
[strict-options],
[AS_HELP_STRING([--enable-strict-options], [enable strict options check between peers (debugging option) @<:@default=no@:>@])],
,
[enable_strict_options="no"]
)
AC_ARG_ENABLE(
[selinux],
[AS_HELP_STRING([--enable-selinux], [enable SELinux support @<:@default=no@:>@])],
,
[enable_selinux="no"]
)
AC_ARG_ENABLE(
[systemd],
[AS_HELP_STRING([--enable-systemd], [enable systemd suppport @<:@default=no@:>@])],
,
[enable_systemd="no"]
)
AC_ARG_WITH(
[special-build],
[AS_HELP_STRING([--with-special-build=STRING], [specify special build string])],
[test -n "${withval}" && AC_DEFINE_UNQUOTED([CONFIGURE_SPECIAL_BUILD], ["${withval}"], [special build string])]
)
AC_ARG_WITH(
[mem-check],
[AS_HELP_STRING([--with-mem-check=TYPE], [build with debug memory checking, TYPE=no|dmalloc|valgrind|ssl @<:@default=no@:>@])],
[
case "${withval}" in
dmalloc|valgrind|ssl|no) ;;
*) AC_MSG_ERROR([bad value ${withval} for --mem-check]) ;;
esac
],
[with_mem_check="no"]
)
AC_ARG_WITH(
[crypto-library],
[AS_HELP_STRING([--with-crypto-library=library], [build with the given crypto library, TYPE=openssl|polarssl @<:@default=openssl@:>@])],
[
case "${withval}" in
openssl|polarssl) ;;
*) AC_MSG_ERROR([bad value ${withval} for --with-crypto-library]) ;;
esac
],
[with_crypto_library="openssl"]
)
AC_ARG_WITH(
[plugindir],
[AS_HELP_STRING([--with-plugindir], [plugin directory @<:@default=LIBDIR/openvpn@:>@])],
,
[with_plugindir="\$(libdir)/openvpn/plugins"]
)
AC_DEFINE_UNQUOTED([TARGET_ALIAS], ["${host}"], [A string representing our host])
case "$host" in
*-*-linux*)
AC_DEFINE([TARGET_LINUX], [1], [Are we running on Linux?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["L"], [Target prefix])
;;
*-*-solaris*)
AC_DEFINE([TARGET_SOLARIS], [1], [Are we running on Solaris?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["S"], [Target prefix])
;;
*-*-openbsd*)
AC_DEFINE([TARGET_OPENBSD], [1], [Are we running on OpenBSD?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["O"], [Target prefix])
;;
*-*-freebsd*)
AC_DEFINE([TARGET_FREEBSD], [1], [Are we running on FreeBSD?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["F"], [Target prefix])
;;
*-*-netbsd*)
AC_DEFINE([TARGET_NETBSD], [1], [Are we running NetBSD?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["N"], [Target prefix])
;;
*-*-darwin*)
AC_DEFINE([TARGET_DARWIN], [1], [Are we running on Mac OS X?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["M"], [Target prefix])
have_tap_header="yes"
dnl some Mac OS X tendering (we use vararg macros...)
CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
;;
*-mingw*)
AC_DEFINE([TARGET_WIN32], [1], [Are we running WIN32?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["W"], [Target prefix])
CPPFLAGS="${CPPFLAGS} -DWIN32_LEAN_AND_MEAN"
CPPFLAGS="${CPPFLAGS} -DNTDDI_VERSION=NTDDI_WINXP -D_WIN32_WINNT=_WIN32_WINNT_WINXP"
WIN32=yes
;;
*-*-dragonfly*)
AC_DEFINE([TARGET_DRAGONFLY], [1], [Are we running on DragonFlyBSD?])
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["D"], [Target prefix])
;;
*)
AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["X"], [Target prefix])
have_tap_header="yes"
;;
esac
PKG_PROG_PKG_CONFIG
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_SED
AC_PROG_MAKE_SET
AC_ARG_VAR([IFCONFIG], [full path to ipconfig utility])
AC_ARG_VAR([ROUTE], [full path to route utility])
AC_ARG_VAR([IPROUTE], [full path to ip utility])
AC_ARG_VAR([NETSTAT], [path to netstat utility]) # tests
AC_ARG_VAR([MAN2HTML], [path to man2html utility])
AC_ARG_VAR([GIT], [path to git utility])
AC_PATH_PROGS([IFCONFIG], [ifconfig],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin])
AC_PATH_PROGS([ROUTE], [route],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin])
AC_PATH_PROGS([IPROUTE], [ip],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin])
AC_CHECK_PROGS([NETSTAT], [netstat], [netstat], [$PATH:/usr/local/sbin:/usr/sbin:/sbin:/etc]) # tests
AC_CHECK_PROGS([MAN2HTML], [man2html])
AC_CHECK_PROGS([GIT], [git]) # optional
AC_DEFINE_UNQUOTED([IFCONFIG_PATH], ["$IFCONFIG"], [Path to ifconfig tool])
AC_DEFINE_UNQUOTED([IPROUTE_PATH], ["$IPROUTE"], [Path to iproute tool])
AC_DEFINE_UNQUOTED([ROUTE_PATH], ["$ROUTE"], [Path to route tool])
#
# Libtool
#
ifdef(
[LT_INIT],
[
LT_INIT([win32-dll])
LT_LANG([Windows Resource])
],
[
AC_LIBTOOL_WIN32_DLL
AC_LIBTOOL_RC
AC_PROG_LIBTOOL
]
)
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_SIGNAL
AX_CPP_VARARG_MACRO_ISO
AX_CPP_VARARG_MACRO_GCC
AX_TYPE_SOCKLEN_T
AX_EMPTY_ARRAY
AC_CHECK_SIZEOF([unsigned int])
AC_CHECK_SIZEOF([unsigned long])
AC_CHECK_HEADERS([ \
stdio.h stdarg.h stdbool.h limits.h \
time.h errno.h fcntl.h io.h direct.h \
ctype.h sys/types.h sys/socket.h \
signal.h unistd.h dlfcn.h \
netinet/in.h netinet/in_systm.h \
netinet/tcp.h arpa/inet.h netdb.h \
windows.h winsock2.h ws2tcpip.h \
])
AC_CHECK_HEADERS([ \
sys/time.h sys/ioctl.h sys/stat.h \
sys/mman.h sys/file.h sys/wait.h \
unistd.h signal.h libgen.h stropts.h \
syslog.h pwd.h grp.h \
sys/sockio.h sys/uio.h linux/sockios.h \
linux/types.h sys/poll.h sys/epoll.h err.h \
])
SOCKET_INCLUDES="
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
"
AC_CHECK_HEADERS(
[net/if.h netinet/ip.h netinet/if_ether.h resolv.h sys/un.h net/if_utun.h sys/kern_control.h],
,
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPES(
[in_addr_t],
,
[AC_DEFINE([in_addr_t], [uint32_t], [Workaround missing in_addr_t])],
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[struct iphdr],
[AC_DEFINE([HAVE_IPHDR], [1], [struct iphdr needed for IPv6 support])],
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[struct sock_extended_err],
[AC_DEFINE([HAVE_SOCK_EXTENDED_ERR], [1], [struct sock_extended_err needed for extended socket error support])],
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[struct msghdr],
[AC_DEFINE([HAVE_MSGHDR], [1], [struct msghdr needed for extended socket error support])],
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[struct cmsghdr],
[AC_DEFINE([HAVE_CMSGHDR], [1], [struct cmsghdr needed for extended socket error support])],
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[struct in_pktinfo],
[AC_DEFINE([HAVE_IN_PKTINFO], [1], [struct in_pktinfo needed for IP_PKTINFO support])],
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[sa_family_t],
[AC_DEFINE([HAVE_SA_FAMILY_T], [1], [sa_family_t, needed to hold AF_* info])],
,
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_TYPE(
[struct sockaddr_in6],
,
[AC_MSG_ERROR([struct sockaddr_in6 not found, needed for ipv6 transport support.])],
[[${SOCKET_INCLUDES}]]
)
AC_CHECK_DECLS(
[SO_MARK],
,
,
[[${SOCKET_INCLUDES}]]
)
dnl We emulate signals in Windows
AC_CHECK_DECLS(
[SIGHUP],
,
[AC_DEFINE([SIGHUP], [1], [SIGHUP replacement])],
[[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
]]
)
AC_CHECK_DECLS(
[SIGINT],
,
[AC_DEFINE([SIGINT], [2], [SIGINT replacement])],
[[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
]]
)
AC_CHECK_DECLS(
[SIGUSR1],
,
[AC_DEFINE([SIGUSR1], [10], [SIGUSR1 replacement])],
[[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
]]
)
AC_CHECK_DECLS(
[SIGUSR2],
,
[AC_DEFINE([SIGUSR2], [12], [SIGUSR2 replacement])],
[[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
]]
)
AC_CHECK_DECLS(
[SIGTERM],
,
[AC_DEFINE([SIGTERM], [15], [SIGTERM replacement])],
[[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
]]
)
AC_FUNC_FORK
AC_CHECK_FUNCS([ \
daemon chroot getpwnam setuid nice system getpid dup dup2 \
getpass strerror syslog openlog mlockall getgrnam setgid \
setgroups stat flock readv writev time gettimeofday \
ctime memset vsnprintf strdup \
setsid chdir putenv getpeername unlink \
chsize ftruncate execve getpeereid umask basename dirname access \
epoll_create \
])
AC_CHECK_LIB(
[dl],
[dlopen],
[DL_LIBS="-ldl"]
)
AC_SUBST([DL_LIBS])
AC_CHECK_LIB(
[nsl],
[inet_ntoa],
[SOCKETS_LIBS="${SOCKETS_LIBS} -lnsl"]
)
AC_CHECK_LIB(
[socket],
[socket],
[SOCKETS_LIBS="${SOCKETS_LIBS} -lsocket"]
)
AC_CHECK_LIB(
[resolv],
[gethostbyname],
[SOCKETS_LIBS="${SOCKETS_LIBS} -lresolv"]
)
AC_SUBST([SOCKETS_LIBS])
old_LIBS="${LIBS}"
LIBS="${LIBS} ${SOCKETS_LIBS}"
AC_CHECK_FUNCS([sendmsg recvmsg inet_ntop inet_pton])
AC_CHECK_FUNCS(
[res_init],
,
,
[[#include <resolv.h>]]
)
# Windows use stdcall for winsock so we cannot auto detect these
m4_define(
[SOCKET_FUNCS],
[socket recv recvfrom send sendto listen dnl
accept connect bind select gethostbyname inet_ntoa]dnl
)
m4_define(
[SOCKET_OPT_FUNCS],
[setsockopt getsockopt getsockname poll]dnl
)
if test "${WIN32}" = "yes"; then
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
AC_CHECK_FUNCS(
SOCKET_FUNCS,
,
[AC_MSG_ERROR([Required library function not found])]
)
AC_CHECK_FUNCS(SOCKET_OPT_FUNCS)
fi
LIBS="${old_LIBS}"
AC_ARG_VAR([TAP_CFLAGS], [C compiler flags for tap])
old_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} ${TAP_CFLAGS}"
AC_CHECK_HEADERS(
[ \
net/if_tun.h net/tun/if_tun.h \
linux/if_tun.h \
tap-windows.h \
],
[have_tap_header="yes"]
)
AC_CHECK_DECLS(
[TUNSETPERSIST],
[AC_DEFINE([ENABLE_FEATURE_TUN_PERSIST], [1], [We have persist tun capability])],
,
[[
#ifdef HAVE_LINUX_IF_TUN_H
#include <linux/if_tun.h>
#endif
]]
)
CFLAGS="${old_CFLAGS}"
test "${have_tap_header}" = "yes" || AC_MSG_ERROR([no tap header could be found])
AC_CHECK_LIB(
[selinux],
[setcon],
[SELINUX_LIBS="-lselinux"]
)
AC_SUBST([SELINUX_LIBS])
AC_ARG_VAR([LIBPAM_CFLAGS], [C compiler flags for libpam])
AC_ARG_VAR([LIBPAM_LIBS], [linker flags for libpam])
if test -z "${LIBPAM_LIBS}"; then
AC_CHECK_LIB(
[pam],
[pam_start],
[LIBPAM_LIBS="-lpam"]
)
fi
case "${with_mem_check}" in
valgrind)
AC_CHECK_HEADERS(
[valgrind/memcheck.h],
[
CFLAGS="${CFLAGS} -g -fno-inline"
AC_DEFINE(
[USE_VALGRIND],
[1],
[Use valgrind memory debugging library]
)
],
[AC_MSG_ERROR([valgrind headers not found.])]
)
;;
dmalloc)
AC_CHECK_HEADERS(
[dmalloc.h],
[AC_CHECK_LIB(
[dmalloc],
[malloc],
[
LIBS="${LIBS} -ldmalloc"
AC_DEFINE(
[DMALLOC],
[1],
[Use dmalloc memory debugging library]
)
],
[AC_MSG_ERROR([dmalloc library not found.])]
)],
[AC_MSG_ERROR([dmalloc headers not found.])]
)
;;
ssl)
AC_CHECK_LIB(
[ssl],
[CRYPTO_mem_ctrl],
[
AC_DEFINE(
[CRYPTO_MDEBUG],
[1],
[Use memory debugging function in OpenSSL]
)
AC_MSG_NOTICE([NOTE: OpenSSL library must be compiled with CRYPTO_MDEBUG])
],
[AC_MSG_ERROR([Memory Debugging function in OpenSSL library not found.])]
)
;;
esac
PKG_CHECK_MODULES(
[PKCS11_HELPER],
[libpkcs11-helper-1 >= 1.11],
[have_pkcs11_helper="yes"],
[]
)
PKG_CHECK_MODULES(
[OPENSSL_CRYPTO],
[libcrypto >= 0.9.8],
[have_openssl_crypto="yes"],
[AC_CHECK_LIB(
[crypto],
[RSA_new],
[
have_openssl_crypto="yes"
OPENSSL_CRYPTO_LIBS="-lcrypto"
]
)]
)
PKG_CHECK_MODULES(
[OPENSSL_SSL],
[libssl >= 0.9.8],
[have_openssl_ssl="yes"],
[AC_CHECK_LIB(
[ssl],
[SSL_CTX_new],
[
have_openssl_ssl="yes"
OPENSSL_SSL_LIBS="-lssl"
],
[],
[-lcrypto]
)]
)
if test "${have_openssl_crypto}" = "yes"; then
saved_CFLAGS="${CFLAGS}"
saved_LIBS="${LIBS}"
CFLAGS="${CFLAGS} ${OPENSSL_CRYPTO_CFLAGS}"
LIBS="${LIBS} ${OPENSSL_CRYPTO_LIBS}"
AC_CHECK_FUNCS([EVP_CIPHER_CTX_set_key_length])
have_openssl_engine="yes"
AC_CHECK_FUNCS(
[ \
ENGINE_load_builtin_engines \
ENGINE_register_all_complete \
ENGINE_cleanup \
],
,
[have_openssl_engine="no"; break]
)
CFLAGS="${saved_CFLAGS}"
LIBS="${saved_LIBS}"
fi
if test "${enable_ssl}" = "yes" && test "${with_crypto_library}" = "openssl";
then
saved_CPPFLAGS="${CPPFLAGS}"
CPPFLAGS="${CPPFLAGS} ${OPENSSL_CRYPTO_CFLAGS}"
AC_MSG_CHECKING([for SSL_OP_NO_TICKET flag in OpenSSL])
AC_EGREP_CPP(have_ssl_op_no_ticket, [
#include <openssl/ssl.h>
#ifdef SSL_OP_NO_TICKET
have_ssl_op_no_ticket
#endif
], [
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
AC_ERROR([OpenVPN 2.4+ requires SSL_OP_NO_TICKET in OpenSSL])
])
CPPFLAGS="${saved_CPPFLAGS}"
fi
AC_ARG_VAR([POLARSSL_CFLAGS], [C compiler flags for polarssl])
AC_ARG_VAR([POLARSSL_LIBS], [linker flags for polarssl])
have_polarssl_ssl="yes"
have_polarssl_crypto="yes"
if test -z "${POLARSSL_LIBS}"; then
AC_CHECK_LIB(
[polarssl],
[ssl_init],
[POLARSSL_LIBS="-lpolarssl"],
[
have_polarssl_ssl="no"
AC_CHECK_LIB(
[polarssl],
[aes_crypt_cbc],
,
[have_polarssl_crypto="no"],
[${PKCS11_HELPER_LIBS}]
)
],
[${PKCS11_HELPER_LIBS}]
)
fi
if test "${with_crypto_library}" = "polarssl" ; then
AC_MSG_CHECKING([polarssl version])
old_CFLAGS="${CFLAGS}"
CFLAGS="${POLARSSL_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <polarssl/version.h>
]],
[[
#if POLARSSL_VERSION_NUMBER < 0x01030300 || POLARSSL_VERSION_NUMBER >= 0x01040000
#error invalid version
#endif
]]
)],
[AC_MSG_RESULT([ok])],
[AC_MSG_ERROR([PolarSSL 1.3.x required and must be 1.3.3 or later])]
)
polarssl_with_pkcs11="no"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <polarssl/config.h>
]],
[[
#ifndef POLARSSL_PKCS11_C
#error pkcs11 wrapper missing
#endif
]]
)],
polarssl_with_pkcs11="yes")
CFLAGS="${old_CFLAGS}"
AC_MSG_CHECKING([polarssl pkcs11 support])
if test "${enable_pkcs11}" = "yes"; then
if test "${polarssl_with_pkcs11}" = "yes"; then
AC_MSG_RESULT([ok])
else
AC_MSG_ERROR([polarssl has no pkcs11 wrapper compiled in])
fi
else
if test "${polarssl_with_pkcs11}" != "yes"; then
AC_MSG_RESULT([ok])
else
AC_MSG_ERROR([PolarSSL compiled with PKCS11, while OpenVPN is not])
fi
fi
fi
AC_ARG_VAR([LZO_CFLAGS], [C compiler flags for lzo])
AC_ARG_VAR([LZO_LIBS], [linker flags for lzo])
have_lzo="yes"
if test -z "${LZO_LIBS}"; then
AC_CHECK_LIB(
[lzo2],
[lzo1x_1_15_compress],
[LZO_LIBS="-llzo2"],
[AC_CHECK_LIB(
[lzo],
[lzo1x_1_15_compress],
[LZO_LIBS="-llzo"],
[have_lzo="no"]
)]
)
fi
if test "${have_lzo}" = "yes"; then
saved_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} ${LZO_CFLAGS}"
AC_CHECK_HEADERS(
[lzo/lzoutil.h],
,
[AC_CHECK_HEADERS(
[lzoutil.h],
,
[AC_MSG_ERROR([lzoutil.h is missing])]
)]
)
AC_CHECK_HEADERS(
[lzo/lzo1x.h],
,
[AC_CHECK_HEADERS(
[lzo1x.h],
,
[AC_MSG_ERROR([lzo1x.h is missing])]
)]
)
CFLAGS="${saved_CFLAGS}"
fi
dnl
dnl check for Snappy library
dnl
AC_ARG_VAR([SNAPPY_CFLAGS], [C compiler flags for snappy])
AC_ARG_VAR([SNAPPY_LIBS], [linker flags for snappy])
if test "$enable_snappy" = "yes" && test "$enable_comp_stub" = "no"; then
AC_CHECKING([for Snappy Library and Header files])
havesnappylib=1
# if SNAPPY_LIBS is set, we assume it will work, otherwise test
if test -z "${SNAPPY_LIBS}"; then
AC_CHECK_LIB(snappy, snappy_compress,
[ SNAPPY_LIBS="-lsnappy" ],
[
AC_MSG_RESULT([Snappy library not found.])
havesnappylib=0
])
fi
saved_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} ${SNAPPY_CFLAGS}"
AC_CHECK_HEADERS(snappy-c.h,
,
[
AC_MSG_RESULT([Snappy headers not found.])
havesnappylib=0
])
if test $havesnappylib = 0 ; then
AC_MSG_RESULT([Snappy library available from http://code.google.com/p/snappy/])
AC_MSG_ERROR([Or try ./configure --disable-snappy OR ./configure --enable-comp-stub])
fi
OPTIONAL_SNAPPY_CFLAGS="${SNAPPY_CFLAGS}"
OPTIONAL_SNAPPY_LIBS="${SNAPPY_LIBS}"
AC_DEFINE(ENABLE_SNAPPY, 1, [Enable Snappy compression library])
CFLAGS="${saved_CFLAGS}"
fi
dnl
dnl check for LZ4 library
dnl
AC_ARG_VAR([LZ4_CFLAGS], [C compiler flags for lz4])
AC_ARG_VAR([LZ4_LIBS], [linker flags for lz4])
if test "$enable_lz4" = "yes" && test "$enable_comp_stub" = "no"; then
AC_CHECKING([for LZ4 Library and Header files])
havelz4lib=1
# if LZ4_LIBS is set, we assume it will work, otherwise test
if test -z "${LZ4_LIBS}"; then
AC_CHECK_LIB(lz4, LZ4_compress,
[ LZ4_LIBS="-llz4" ],
[
AC_MSG_RESULT([LZ4 library not found.])
havelz4lib=0
])
fi
saved_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} ${LZ4_CFLAGS}"
AC_CHECK_HEADERS(lz4.h,
,
[
AC_MSG_RESULT([LZ4 headers not found.])