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configure.ac
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configure.ac
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AC_INIT(openconnect, 8.05)
AC_CONFIG_HEADERS([config.h])
PKG_PROG_PKG_CONFIG
AC_LANG_C
AC_CANONICAL_HOST
AM_MAINTAINER_MODE([enable])
AM_INIT_AUTOMAKE([foreign tar-ustar])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_PREREQ([2.62], [], [AC_SUBST([localedir], ['$(datadir)/locale'])])
# Upstream's pkg.m4 (since 0.27) offers this now, but define our own
# compatible version in case the local version of pkgconfig isn't new enough.
# https://bugs.freedesktop.org/show_bug.cgi?id=48743
m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
[AC_ARG_WITH([pkgconfigdir],
[AS_HELP_STRING([--with-pkgconfigdir],
[install directory for openconnect.pc pkg-config file])],
[],[with_pkgconfigdir='$(libdir)/pkgconfig'])
AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])])
use_openbsd_libtool=
symver_time=
symver_getline=
symver_asprintf=
symver_vasprintf=
symver_win32_strerror=
case $host_os in
*linux* | *gnu* | *nacl*)
AC_MSG_NOTICE([Applying feature macros for GNU build])
AC_DEFINE(_GNU_SOURCE, 1, [_GNU_SOURCE])
;;
*netbsd*)
AC_MSG_NOTICE([Applying feature macros for NetBSD build])
AC_DEFINE(_POSIX_C_SOURCE, 200112L, [_POSIX_C_SOURCE])
AC_DEFINE(_NETBSD_SOURCE, 1, [_NETBSD_SOURCE])
;;
*openbsd*)
AC_MSG_NOTICE([Applying feature macros for OpenBSD build])
use_openbsd_libtool=true
;;
*solaris*|*sunos*)
AC_MSG_NOTICE([Applying workaround for broken SunOS time() function])
AC_DEFINE(HAVE_SUNOS_BROKEN_TIME, 1, [On SunOS time() can go backwards])
symver_time="openconnect__time;"
;;
*mingw32*|*mingw64*|*msys*)
AC_MSG_NOTICE([Applying feature macros for MinGW/Windows build])
# For GetVolumeInformationByHandleW() which is Vista+
AC_DEFINE(_WIN32_WINNT, 0x600, [Windows API version])
have_win=yes
# For asprintf()
AC_DEFINE(_GNU_SOURCE, 1, [_GNU_SOURCE])
symver_win32_strerror="openconnect__win32_strerror;"
# Win32 does have the SCard API
system_pcsc_libs="-lwinscard"
system_pcsc_cflags=
AC_CHECK_TOOL([WINDRES], [windres], [])
;;
*darwin*)
system_pcsc_libs="-Wl,-framework -Wl,PCSC"
system_pcsc_cflags=
;;
*)
# On FreeBSD the only way to get vsyslog() visible is to define
# *nothing*, which makes absolutely everything visible.
# On Darwin enabling _POSIX_C_SOURCE breaks <sys/mount.h> because
# u_long and other types don't get defined. OpenBSD is similar.
;;
esac
AM_CONDITIONAL(OPENCONNECT_WIN32, [ test "$have_win" = "yes" ])
AC_ARG_WITH([vpnc-script],
[AS_HELP_STRING([--with-vpnc-script],
[default location of vpnc-script helper])])
if test "$with_vpnc_script" = "yes" || test "$with_vpnc_script" = ""; then
AC_MSG_CHECKING([for vpnc-script in standard locations])
if test "$have_win" = "yes"; then
with_vpnc_script=vpnc-script-win.js
else
for with_vpnc_script in /usr/local/share/vpnc-scripts/vpnc-script /usr/local/sbin/vpnc-script /usr/share/vpnc-scripts/vpnc-script /usr/sbin/vpnc-script /etc/vpnc/vpnc-script; do
if test -x "$with_vpnc_script"; then
break
fi
done
if ! test -x "$with_vpnc_script"; then
AC_MSG_ERROR([${with_vpnc_script} does not seem to be executable.]
[OpenConnect will not function correctly without a vpnc-script.]
[See http://www.infradead.org/openconnect/vpnc-script.html for more details.]
[]
[If you are building a distribution package, please ensure that your]
[packaging is correct, and that a vpnc-script will be installed when the]
[user installs your package. You should provide a --with-vpnc-script=]
[argument to this configure script, giving the full path where the script]
[will be installed.]
[]
[The standard location is ${with_vpnc_script}. To bypass this error and]
[build OpenConnect to use the script from this location, even though it is]
[not present at the time you are building OpenConnect, pass the argument]
["--with-vpnc-script=${with_vpnc_script}"])
else
AC_MSG_RESULT([${with_vpnc_script}])
fi
fi
elif test "$with_vpnc_script" = "no"; then
AC_ERROR([You cannot disable vpnc-script.]
[OpenConnect will not function correctly without it.]
[See http://www.infradead.org/openconnect/vpnc-script.html])
elif test "$have_win" = "yes"; then
# Oh Windows how we hate thee. If user specifies a vpnc-script and it contains
# backslashes, double them all up to survive escaping.
with_vpnc_script="$(echo "${with_vpnc_script}" | sed s/\\\\/\\\\\\\\/g)"
fi
AC_DEFINE_UNQUOTED(DEFAULT_VPNCSCRIPT, "${with_vpnc_script}", [Default vpnc-script locatin])
AC_SUBST(DEFAULT_VPNCSCRIPT, "${with_vpnc_script}")
AC_CHECK_FUNC(fdevname_r, [AC_DEFINE(HAVE_FDEVNAME_R, 1, [Have fdevname_r() function])], [])
AC_CHECK_FUNC(statfs, [AC_DEFINE(HAVE_STATFS, 1, [Have statfs() function])], [])
AC_CHECK_FUNC(getline, [AC_DEFINE(HAVE_GETLINE, 1, [Have getline() function])],
[symver_getline="openconnect__getline;"])
AC_CHECK_FUNC(strcasestr, [AC_DEFINE(HAVE_STRCASESTR, 1, [Have strcasestr() function])], [])
AC_CHECK_FUNC(strndup, [AC_DEFINE(HAVE_STRNDUP, 1, [Have strndup() function])], [])
AC_CHECK_FUNC(asprintf, [AC_DEFINE(HAVE_ASPRINTF, 1, [Have asprintf() function])],
[symver_asprintf="openconnect__asprintf;"])
AC_CHECK_FUNC(vasprintf, [AC_DEFINE(HAVE_VASPRINTF, 1, [Have vasprintf() function])],
[symver_vasprintf="openconnect__vasprintf;"])
if test -n "$symver_vasprintf"; then
AC_MSG_CHECKING([for va_copy])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <stdarg.h>
va_list a;],[
va_list b;
va_copy(b,a);
va_end(b);])],
[AC_DEFINE(HAVE_VA_COPY, 1, [Have va_copy()])
AC_MSG_RESULT(va_copy)],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <stdarg.h>
va_list a;],[
va_list b;
__va_copy(b,a);
va_end(b);])],
[AC_DEFINE(HAVE___VA_COPY, 1, [Have __va_copy()])
AC_MSG_RESULT(__va_copy)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([Your system lacks vasprintf() and va_copy()])])
])
fi
AC_SUBST(SYMVER_TIME, $symver_time)
AC_SUBST(SYMVER_GETLINE, $symver_getline)
AC_SUBST(SYMVER_ASPRINTF, $symver_asprintf)
AC_SUBST(SYMVER_VASPRINTF, $symver_vasprintf)
AC_SUBST(SYMVER_WIN32_STRERROR, $symver_win32_strerror)
AS_COMPILER_FLAGS(WFLAGS,
"-Wall
-Wextra
-Wno-missing-field-initializers
-Wno-sign-compare
-Wno-unused-parameter
-Werror=pointer-to-int-cast
-Wdeclaration-after-statement
-Werror-implicit-function-declaration
-Wformat-nonliteral
-Wformat-security
-Winit-self
-Wmissing-declarations
-Wmissing-include-dirs
-Wnested-externs
-Wpointer-arith
-Wwrite-strings")
AC_SUBST(WFLAGS, [$WFLAGS])
oldCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $WFLAGS"
AC_MSG_CHECKING([For memset_s])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#define __STDC_WANT_LIB_EXT1__ 1
#include <string.h>],[[
unsigned char *foo[16];
memset_s(foo, 16, 0, 16);]])],
[AC_MSG_RESULT([yes])
AC_DEFINE(__STDC_WANT_LIB_EXT1__, 1, [To request memset_s])
AC_DEFINE(HAVE_MEMSET_S, 1, [Have memset_s() function])],
[AC_MSG_RESULT([no])
AC_CHECK_FUNC(explicit_memset,
[AC_DEFINE(HAVE_EXPLICIT_MEMSET, 1, [Have explicit_memset() function])],
[AC_CHECK_FUNC(explicit_bzero,
[AC_DEFINE(HAVE_EXPLICIT_BZERO, 1, [Have explicit_bzero() function])],
[])
])
])
CFLAGS="$oldCFLAGS"
AC_MSG_CHECKING([For localtime_s])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <time.h>],[[
struct tm tm;
time_t t = 0;
localtime_s(&tm, (time_t)0);]])],
[AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_LOCALTIME_S, 1, [Have localtime_s() function])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([For localtime_r])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <time.h>],[[
struct tm tm;
time_t t = 0;
localtime_r(&t, &tm);]])],
[AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_LOCALTIME_R, 1, [Have localtime_r() function])],
[AC_MSG_RESULT([no])])
if test "$have_win" = yes; then
# Checking "properly" for __attribute__((dllimport,stdcall)) functions is non-trivial
LIBS="$LIBS -lws2_32 -lshlwapi -lsecur32 -liphlpapi"
else
AC_CHECK_FUNC(socket, [], AC_CHECK_LIB(socket, socket, [], AC_ERROR(Cannot find socket() function)))
fi
have_inet_aton=yes
AC_CHECK_FUNC(inet_aton, [], AC_CHECK_LIB(nsl, inet_aton, [], have_inet_aton=no))
if test "$have_inet_aton" = "yes"; then
AC_DEFINE(HAVE_INET_ATON, 1, [Have inet_aton()])
fi
AC_MSG_CHECKING([for IPV6_PATHMTU socket option])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>],[
int foo = IPV6_PATHMTU; (void)foo;])],
[AC_DEFINE(HAVE_IPV6_PATHMTU, 1, [Have IPV6_PATHMTU socket option])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_CHECK_FUNC(__android_log_vprint, [], AC_CHECK_LIB(log, __android_log_vprint, [], []))
AC_ENABLE_SHARED
AC_DISABLE_STATIC
AC_CHECK_FUNC(nl_langinfo, [AC_DEFINE(HAVE_NL_LANGINFO, 1, [Have nl_langinfo() function])], [])
if test "$ac_cv_func_nl_langinfo" = "yes"; then
AM_ICONV
if test "$am_cv_func_iconv" = "yes"; then
AC_SUBST(ICONV_LIBS, [$LTLIBICONV])
AC_SUBST(ICONV_CFLAGS, [$INCICONV])
AC_DEFINE(HAVE_ICONV, 1, [Have iconv() function])
fi
fi
AM_CONDITIONAL(OPENCONNECT_ICONV, [test "$am_cv_func_iconv" = "yes"])
AC_ARG_ENABLE([nls],
AS_HELP_STRING([--disable-nls], [Do not use Native Language Support]),
[USE_NLS=$enableval], [USE_NLS=yes])
LIBINTL=
if test "$USE_NLS" = "yes"; then
AC_PATH_PROG(MSGFMT, msgfmt)
if test "$MSGFMT" = ""; then
AC_ERROR([msgfmt could not be found. Try configuring with --disable-nls])
fi
fi
LIBINTL=
if test "$USE_NLS" = "yes"; then
AC_MSG_CHECKING([for functional NLS support])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <locale.h>
#include <libintl.h>],[
setlocale(LC_ALL, "");
bindtextdomain("openconnect", "/tmp");
(void)dgettext("openconnect", "foo");])],
[AC_MSG_RESULT(yes)],
[AC_LIB_LINKFLAGS_BODY([intl])
oldLIBS="$LIBS"
LIBS="$LIBS $LIBINTL"
oldCFLAGS="$LIBS"
CFLAGS="$CFLAGS $INCINTL"
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <locale.h>
#include <libintl.h>],[
setlocale(LC_ALL, "");
bindtextdomain("openconnect", "/tmp");
(void)dgettext("openconnect", "foo");])],
[AC_MSG_RESULT(yes (with $INCINTL $LIBINTL))],
[AC_MSG_RESULT(no)
USE_NLS=no])
LIBS="$oldLIBS"])
fi
if test "$USE_NLS" = "yes"; then
AC_SUBST(INTL_LIBS, [$LTLIBINTL])
AC_SUBST(INTL_CFLAGS, [$INCINTL])
AC_DEFINE(ENABLE_NLS, 1, [Enable NLS support])
fi
AM_CONDITIONAL(USE_NLS, [test "$USE_NLS" = "yes"])
AC_ARG_WITH([system-cafile],
AS_HELP_STRING([--with-system-cafile],
[Location of the default system CA certificate file for old (<3.0.20) GnuTLS versions]))
# We will use GnuTLS by default if it's present. We used to suppport
# using GnuTLS for the TLS connections and OpenSSL for DTLS, but none
# of the reasons for that make sense any more.
AC_ARG_WITH([gnutls],
AS_HELP_STRING([--without-gnutls], [Do not attempt to use GnuTLS; use OpenSSL instead]))
AC_ARG_WITH([openssl],
AS_HELP_STRING([--with-openssl], [Location of OpenSSL build dir]))
ssl_library=
esp=
dtls=
if test "$with_openssl" != "" -a "$with_openssl" != "no"; then
if test "$with_gnutls" = ""; then
with_gnutls=no
elif test "$with_gnutls" = "yes"; then
AC_MSG_ERROR([You cannot choose both GnuTLS and OpenSSL.])
fi
fi
# First, check if GnuTLS exists and is usable
if test "$with_gnutls" = "yes" || test "$with_gnutls" = ""; then
PKG_CHECK_MODULES(GNUTLS, gnutls,
[if ! $PKG_CONFIG --atleast-version=3.2.10 gnutls; then
AC_MSG_WARN([Your GnuTLS is too old. At least v3.2.10 is required])
else
ssl_library=GnuTLS
fi], [:])
elif test "$with_gnutls" != "no"; then
AC_ERROR([Values other than 'yes' or 'no' for --with-gnutls are not supported])
fi
# Do we need to look for OpenSSL?
if test "$ssl_library" = ""; then
if test "$with_gnutls" = "yes" -o "$with_openssl" = "no"; then
AC_MSG_ERROR([Suitable GnuTLS required but not found])
elif test "$with_openssl" = "yes" -o "$with_openssl" = ""; then
PKG_CHECK_MODULES(OPENSSL, openssl, [AC_SUBST(SSL_PC, [openssl])],
[oldLIBS="$LIBS"
LIBS="$LIBS -lssl -lcrypto"
AC_MSG_CHECKING([for OpenSSL without pkg-config])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#include <openssl/err.h>],[
SSL_library_init();
ERR_clear_error();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();])],
[AC_MSG_RESULT(yes)
AC_SUBST([OPENSSL_LIBS], ["-lssl -lcrypto"])
AC_SUBST([OPENSSL_CFLAGS], [])]
AC_SUBST([openssl_pc_libs], [$OPENSSL_LIBS]),
[AC_MSG_RESULT(no)
AC_ERROR([Could not build against OpenSSL])])
LIBS="$oldLIBS"])
ssl_library=OpenSSL
PKG_CHECK_MODULES(P11KIT, p11-kit-1,
# libp11 0.4.7 fails to export ERR_LIB_PKCS11 so we don't know what it
# is and can't match its errors, which we need to for login checks.
[PKG_CHECK_MODULES(LIBP11, libp11 != 0.4.7,
[AC_DEFINE(HAVE_LIBP11, 1, [Have libp11 and p11-kit for OpenSSL])
AC_SUBST(P11KIT_PC, ["libp11 p11-kit-1"])
proxy_module="`$PKG_CONFIG --variable=proxy_module p11-kit-1`"
pkcs11_support="libp11"
AC_DEFINE_UNQUOTED([DEFAULT_PKCS11_MODULE], "${proxy_module}", [p11-kit proxy])],
[:])], [:])
else
OPENSSL_CFLAGS="-I${with_openssl}/include ${OPENSSL_CFLAGS}"
if test -r "${with_openssl}/libssl.a" -a -r "${with_openssl}/libcrypto.a"; then
OPENSSL_LIBS="${with_openssl}/libssl.a ${with_openssl}/libcrypto.a -ldl -lz -pthread"
elif test -r "${with_openssl}/crypto/.libs/libcrypto.a" -a \
-r "${with_openssl}/ssl/.libs/libssl.a"; then
OPENSSL_LIBS="${with_openssl}/ssl/.libs/libssl.a ${with_openssl}/crypto/.libs/libcrypto.a -ldl -lz -pthread"
else
AC_ERROR([Could not find OpenSSL libraries in ${with_openssl}]);
fi
AC_SUBST(OPENSSL_CFLAGS)
AC_SUBST(OPENSSL_LIBS)
enable_static=yes
enable_shared=no
ssl_library=OpenSSL
fi
fi
AC_ARG_WITH([openssl-version-check],
AS_HELP_STRING([--without-openssl-version-check], [Do not check for known-broken OpenSSL versions]))
AC_ARG_WITH([default-gnutls-priority],
AS_HELP_STRING([--with-default-gnutls-priority=STRING],
[Provide a default string as GnuTLS priority string]),
default_gnutls_priority=$withval)
if test -n "$default_gnutls_priority"; then
AC_DEFINE_UNQUOTED([DEFAULT_PRIO], ["$default_gnutls_priority"], [The GnuTLS priority string])
fi
tss2lib=
case "$ssl_library" in
OpenSSL)
oldLIBS="${LIBS}"
oldCFLAGS="${CFLAGS}"
LIBS="${LIBS} ${OPENSSL_LIBS}"
CFLAGS="${CFLAGS} ${OPENSSL_CFLAGS}"
# Check for the various known-broken versions of OpenSSL, which includes LibreSSL.
if test "$with_openssl_version_check" != "no"; then
AC_MSG_CHECKING([for known-broken versions of OpenSSL])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <openssl/opensslv.h>],
[#if defined(LIBRESSL_VERSION_NUMBER)
#error Bad OpenSSL
#endif
])],
[],
[AC_MSG_RESULT(yes)
AC_MSG_ERROR([LibreSSL does not support Cisco DTLS.]
[Build with OpenSSL or GnuTLS instead.])])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <openssl/opensslv.h>],[#if \
(OPENSSL_VERSION_NUMBER == 0x10002000L || \
(OPENSSL_VERSION_NUMBER >= 0x100000b0L && OPENSSL_VERSION_NUMBER <= 0x100000c0L) || \
(OPENSSL_VERSION_NUMBER >= 0x10001040L && OPENSSL_VERSION_NUMBER <= 0x10001060L))
#error Bad OpenSSL
#endif
])],
[],
[AC_MSG_RESULT(yes)
AC_ERROR([This version of OpenSSL is known to be broken with Cisco DTLS.]
[See http://rt.openssl.org/Ticket/Display.html?id=2984&user=guest&pass=guest]
[Add --without-openssl-version-check to configure args to avoid this check, or]
[perhaps consider building with GnuTLS instead.])])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <openssl/opensslv.h>],[#if \
(OPENSSL_VERSION_NUMBER == 0x1000200fL)
#error Bad OpenSSL
#endif
])],
[],
[AC_MSG_RESULT(yes)
AC_ERROR([This version of OpenSSL is known to be broken with Cisco DTLS.]
[See http://rt.openssl.org/Ticket/Display.html?id=3703&user=guest&pass=guest]
[and http://rt.openssl.org/Ticket/Display.html?id=3711&user=guest&pass=guest]
[Add --without-openssl-version-check to configure args to avoid this check, or]
[perhaps consider building with GnuTLS instead.])])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <openssl/opensslv.h>],[#if \
((OPENSSL_VERSION_NUMBER >= 0x10001110L && OPENSSL_VERSION_NUMBER <= 0x10001150L) || \
(OPENSSL_VERSION_NUMBER >= 0x10002050L && OPENSSL_VERSION_NUMBER <= 0x10002090L))
#error Bad OpenSSL
#endif
])],
[],
[AC_MSG_RESULT(yes)
AC_ERROR([This version of OpenSSL is known to be broken with Cisco DTLS.]
[See http://rt.openssl.org/Ticket/Display.html?id=4631&user=guest&pass=guest]
[Add --without-openssl-version-check to configure args to avoid this check, or]
[perhaps consider building with GnuTLS instead.])])
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([for ENGINE_by_id() in OpenSSL])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/engine.h>],
[ENGINE_by_id("foo");])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_ENGINE, [1], [OpenSSL has ENGINE support])],
[AC_MSG_RESULT(no)
AC_MSG_NOTICE([Building without OpenSSL TPM ENGINE support])])
AC_MSG_CHECKING([for dtls1_stop_timer() in OpenSSL])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>
#include <stdlib.h>
extern void dtls1_stop_timer(SSL *);],
[dtls1_stop_timer(NULL);])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DTLS1_STOP_TIMER, [1], [OpenSSL has dtls1_stop_timer() function])],
[AC_MSG_RESULT(no)])
# DTLS_client_method() and DTLSv1_2_client_method() were both added between
# OpenSSL v1.0.1 and v1.0.2. DTLSV1.2_client_method() was later deprecated
# in v1.1.0 so we use DTLS_client_method() as our check for DTLSv1.2 support
# and that's what we actually use in openssl-dtls.c too.
AC_MSG_CHECKING([for DTLS_client_method() in OpenSSL])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],
[DTLS_client_method();])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DTLS12, [1], [OpenSSL has DTLS_client_method() function])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for SSL_CTX_set_min_proto_version() in OpenSSL])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],
[SSL_CTX_set_min_proto_version((void *)0, 0);])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SSL_CTX_PROTOVER, [1], [OpenSSL has SSL_CTX_set_min_proto_version() function])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for BIO_meth_free() in OpenSSL])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/bio.h>],
[BIO_meth_free((void *)0);])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BIO_METH_FREE, [1], [OpenSSL has BIO_meth_free() function])],
[AC_MSG_RESULT(no)])
AC_CHECK_FUNC(HMAC_CTX_copy,
[esp=yes],
[AC_MSG_WARN([ESP support will be disabled])])
LIBS="${oldLIBS}"
CFLAGS="${oldCFLAGS}"
dtls=yes
AC_DEFINE(OPENCONNECT_OPENSSL, 1, [Using OpenSSL])
AC_SUBST(SSL_LIBS, ['$(OPENSSL_LIBS)'])
AC_SUBST(SSL_CFLAGS, ['$(OPENSSL_CFLAGS)'])
;;
GnuTLS)
oldlibs="$LIBS"
oldcflags="$CFLAGS"
LIBS="$LIBS $GNUTLS_LIBS"
CFLAGS="$CFLAGS $GNUTLS_CFLAGS"
esp=yes
dtls=yes
AC_CHECK_FUNC(gnutls_system_key_add_x509,
[AC_DEFINE(HAVE_GNUTLS_SYSTEM_KEYS, 1, [From GnuTLS 3.4.0])], [])
AC_CHECK_FUNC(gnutls_pkcs11_add_provider,
[PKG_CHECK_MODULES(P11KIT, p11-kit-1,
[AC_DEFINE(HAVE_P11KIT, 1, [Have. P11. Kit.])
pkcs11_support=GnuTLS
AC_SUBST(P11KIT_PC, p11-kit-1)],
[:])], [])
LIBS="$oldlibs -ltspi"
AC_MSG_CHECKING([for tss library])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <trousers/tss.h>
#include <trousers/trousers.h>],[
int err = Tspi_Context_Create((void *)0);
Trspi_Error_String(err);])],
[AC_MSG_RESULT(yes)
AC_SUBST([TSS_LIBS], [-ltspi])
AC_SUBST([TSS_CFLAGS], [])
AC_DEFINE(HAVE_TROUSERS, 1, [Have Trousers TSS library])],
[AC_MSG_RESULT(no)])
LIBS="$oldlibs"
CFLAGS="$oldcflags"
PKG_CHECK_MODULES(TASN1, [libtasn1], [have_tasn1=yes], [have_tasn1=no])
if test "$have_tasn1" = "yes"; then
PKG_CHECK_MODULES(TSS2_ESYS, [tss2-esys tss2-mu],
[AC_DEFINE(HAVE_TSS2, 1, [Have TSS2])
AC_SUBST(TPM2_CFLAGS, ['$(TASN1_CFLAGS) $(TSS2_ESYS_CFLAGS)'])
AC_SUBST(TPM2_LIBS, ['$(TASN1_LIBS) $(TSS2_ESYS_LIBS)'])
tss2lib=tss2-esys],
[:])
if test "$tss2lib" = ""; then
AC_CHECK_LIB([tss], [TSS_Create], [tss2inc=tss2
tss2lib=tss],
AC_CHECK_LIB([ibmtss], [TSS_Create], [tss2inc=ibmtss
tss2lib=ibmtss], []))
if test "$tss2lib" != ""; then
AC_CHECK_HEADER($tss2inc/tss.h,
[AC_DEFINE_UNQUOTED(HAVE_TSS2, $tss2inc, [TSS2 library])
AC_SUBST(TSS2_LIBS, [-l$tss2lib])
AC_SUBST(TPM2_CFLAGS, ['$(TASN1_CFLAGS)'])
AC_SUBST(TPM2_LIBS, ['$(TASN1_LIBS) $(TSS2_LIBS)'])],
[tss2lib=])
fi
fi
fi
AC_DEFINE(OPENCONNECT_GNUTLS, 1, [Using GnuTLS])
AC_SUBST(SSL_PC, [gnutls])
AC_SUBST(SSL_LIBS, ['$(GNUTLS_LIBS) $(TPM2_LIBS)'])
AC_SUBST(SSL_CFLAGS, ['$(GNUTLS_CFLAGS) $(TPM2_CFLAGS)'])
;;
*)
# This should never happen
AC_MSG_ERROR([No SSL library selected])
;;
esac
AM_CONDITIONAL(OPENCONNECT_TSS2_ESYS, [ test "$tss2lib" = "tss2-esys" ])
AM_CONDITIONAL(OPENCONNECT_TSS2_IBM, [ test "$tss2lib" = "ibmtss" -o "$tss2lib" = "tss" ])
test_pkcs11=
if test "$pkcs11_support" != ""; then
AC_CHECK_PROG(test_pkcs11, softhsm2-util, yes)
fi
AM_CONDITIONAL(TEST_PKCS11, [ test "$test_pkcs11" = "yes" ])
# The test is OpenSSL-only for now.
AM_CONDITIONAL(CHECK_DTLS, [ test "$ssl_library" = "OpenSSL" ])
AC_ARG_ENABLE([dtls-xfail],
AS_HELP_STRING([--enable-dtls-xfail], [Only for gitlab CI. Do not use]))
AM_CONDITIONAL(DTLS_XFAIL, [test "$enable_dtls_xfail" = "yes" ])
AC_ARG_ENABLE([dsa-tests],
AS_HELP_STRING([--disable-dsa-tests], [Disable DSA keys in self-test]),
[], [enable_dsa_tests=yes])
AM_CONDITIONAL(TEST_DSA, [test "$enable_dsa_tests" = "yes"])
AM_CONDITIONAL(OPENCONNECT_GNUTLS, [ test "$ssl_library" = "GnuTLS" ])
AM_CONDITIONAL(OPENCONNECT_OPENSSL, [ test "$ssl_library" = "OpenSSL" ])
AM_CONDITIONAL(OPENCONNECT_ESP, [ test "$esp" != "" ])
AM_CONDITIONAL(OPENCONNECT_DTLS, [ test "$dtls" != "" ])
if test "$esp" != ""; then
AC_DEFINE(HAVE_ESP, 1, [Build with ESP support])
fi
if test "$dtls" != ""; then
AC_DEFINE(HAVE_DTLS, 1, [Build with DTLS support])
fi
AC_ARG_WITH(lz4,
AS_HELP_STRING([--without-lz4], [disable support for LZ4 compression]),
test_for_lz4=$withval,
test_for_lz4=yes)
lz4_pkg=no
if test "$test_for_lz4" = yes; then
PKG_CHECK_MODULES([LIBLZ4], [liblz4], [
AC_SUBST(LIBLZ4_PC, liblz4)
AC_DEFINE([HAVE_LZ4], [], [LZ4 was found])
lz4_pkg=yes
oldLIBS="$LIBS"
LIBS="$LIBS $LIBLZ4_LIBS"
oldCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $LIBLZ4_CFLAGS"
AC_MSG_CHECKING([for LZ4_compress_default()])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <lz4.h>],[
LZ4_compress_default("", (char *)0, 0, 0);])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_LZ4_COMPRESS_DEFAULT], [], [From LZ4 r129])
],
[AC_MSG_RESULT(no)])
LIBS="$oldLIBS"
CFLAGS="$oldCFLAGS"
],
[
AC_MSG_WARN([[
***
*** lz4 not found.
*** ]])
])
fi
# For some bizarre reason now that we use AM_ICONV, the mingw32 build doesn't
# manage to set EGREP properly in the created ./libtool script. Make sure it's
# found.
AC_PROG_EGREP
# Needs to happen after we default to static/shared libraries based on OpenSSL
AC_PROG_LIBTOOL
if test "$use_openbsd_libtool" = "true" && test -x /usr/bin/libtool; then
echo using OpenBSD libtool
LIBTOOL=/usr/bin/libtool
fi
AM_CONDITIONAL(OPENBSD_LIBTOOL, [ test "$use_openbsd_libtool" = "true" ])
AX_CHECK_VSCRIPT
PKG_CHECK_MODULES(LIBXML2, libxml-2.0)
PKG_CHECK_MODULES(ZLIB, zlib, [AC_SUBST(ZLIB_PC, [zlib])],
[oldLIBS="$LIBS"
LIBS="$LIBS -lz"
AC_MSG_CHECKING([for zlib without pkg-config])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <zlib.h>],[
z_stream zs;
deflateInit2(&zs, Z_DEFAULT_COMPRESSION, Z_DEFLATED,
-12, 9, Z_DEFAULT_STRATEGY);])],
[AC_MSG_RESULT(yes)
AC_SUBST([ZLIB_LIBS], [-lz])
AC_SUBST([ZLIB_CFLAGS], [])],
[AC_MSG_RESULT(no)
AC_ERROR([Could not build against zlib])])
LIBS="$oldLIBS"])
AC_ARG_WITH([libproxy],
AS_HELP_STRING([--without-libproxy],
[Build without libproxy library [default=auto]]))
AS_IF([test "x$with_libproxy" != "xno"], [
PKG_CHECK_MODULES(LIBPROXY, libproxy-1.0,
[AC_SUBST(LIBPROXY_PC, libproxy-1.0)
AC_DEFINE([LIBPROXY_HDR], ["proxy.h"], [libproxy header file])
libproxy_pkg=yes],
libproxy_pkg=no)
], [libproxy_pkg=disabled])
dnl Libproxy *can* exist without a .pc file, and its header may be called
dnl libproxy.h in that case.
if (test "$libproxy_pkg" = "no"); then
AC_MSG_CHECKING([for libproxy])
oldLIBS="$LIBS"
LIBS="$LIBS -lproxy"
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <libproxy.h>],
[(void)px_proxy_factory_new();])],
[AC_MSG_RESULT(yes (with libproxy.h))
AC_DEFINE([LIBPROXY_HDR], ["libproxy.h"])
AC_SUBST([LIBPROXY_LIBS], [-lproxy])
libproxy_pkg=yes],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <proxy.h>],
[(void)px_proxy_factory_new();])],
[AC_MSG_RESULT(yes (with proxy.h))
AC_DEFINE([LIBPROXY_HDR], ["proxy.h"])
AC_SUBST([LIBPROXY_LIBS], [-lproxy])
libproxy_pkg=yes],
[AC_MSG_RESULT(no)])])
LIBS="$oldLIBS"
fi
AC_ARG_WITH([stoken],
AS_HELP_STRING([--without-stoken],
[Build without libstoken library [default=auto]]))
AS_IF([test "x$with_stoken" != "xno"], [
PKG_CHECK_MODULES(LIBSTOKEN, stoken,
[AC_SUBST(LIBSTOKEN_PC, stoken)
AC_DEFINE([HAVE_LIBSTOKEN], 1, [Have libstoken])
libstoken_pkg=yes],
libstoken_pkg=no)
], [libstoken_pkg=disabled])
AM_CONDITIONAL(OPENCONNECT_STOKEN, [test "$libstoken_pkg" = "yes"])
AC_ARG_WITH([libpcsclite],
AS_HELP_STRING([--without-libpcsclite],
[Build without libpcsclite library (for Yubikey support) [default=auto]]))
AS_IF([test "x$with_libpcsclite" != "xno"], [
if test "$system_pcsc_libs" != ""; then
AC_SUBST(LIBPCSCLITE_LIBS, "$system_pcsc_libs")
AC_SUBST(LIBPCSCLITE_CFLAGS, "$system_pcsc_cflags")
AC_SUBST(system_pcsc_libs)
libpcsclite_pkg=yes
else
PKG_CHECK_MODULES(LIBPCSCLITE, libpcsclite,
[AC_SUBST(LIBPCSCLITE_PC, libpcsclite)
libpcsclite_pkg=yes],
libpcsclite_pkg=no)
fi
], [libpcsclite_pkg=disabled])
if test "$libpcsclite_pkg" = "yes"; then
AC_DEFINE([HAVE_LIBPCSCLITE], 1, [Have libpcsclite])
fi
AM_CONDITIONAL(OPENCONNECT_LIBPCSCLITE, [test "$libpcsclite_pkg" = "yes"])
AC_ARG_WITH([libpskc],
AS_HELP_STRING([--without-libpskc],
[Build without libpskc library [default=auto]]))
AS_IF([test "x$with_libpskc" != "xno"], [
PKG_CHECK_MODULES(LIBPSKC, [libpskc >= 2.2.0],
[AC_SUBST(LIBPSKC_PC, libpskc)
AC_DEFINE([HAVE_LIBPSKC], 1, [Have libpskc])
libpskc_pkg=yes],
libpskc_pkg=no)])
linked_gssapi=no
AC_ARG_WITH([gssapi],
AS_HELP_STRING([--without-gssapi],
[Build without GSSAPI support [default=auto]]))
AC_DEFUN([GSSAPI_CHECK_BUILD],[
gss_old_libs="$LIBS"
LIBS="$LIBS ${GSSAPI_LIBS}"
AC_MSG_CHECKING([GSSAPI compilation with "${GSSAPI_LIBS}"])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <stdlib.h>
#include GSSAPI_HDR],[
OM_uint32 major, minor;
gss_buffer_desc b = GSS_C_EMPTY_BUFFER;
gss_ctx_id_t ctx = GSS_C_NO_CONTEXT;
gss_init_sec_context(&minor, GSS_C_NO_CREDENTIAL, &ctx, GSS_C_NO_NAME, GSS_C_NO_OID,
GSS_C_MUTUAL_FLAG, GSS_C_INDEFINITE, GSS_C_NO_CHANNEL_BINDINGS, NULL, NULL,
NULL, NULL, NULL);])],
[linked_gssapi=yes
AC_MSG_RESULT(yes)],
[linked_gssapi=no
AC_MSG_RESULT(no)])
LIBS="$gss_old_libs"
])
# Attempt to work out how to build with GSSAPI. Mostly, krb5-config will
# exist and work. Tested on FreeBSD 9, OpenBSD 5.5, NetBSD 6.1.4. Solaris
# has krb5-config but it doesn't do GSSAPI so hard-code the results there.
# Older OpenBSD (I tested 5.2) lacks krb5-config so leave that as an example.
if test "$with_gssapi" != "no"; then
found_gssapi=no
if test "${with_gssapi}" != "yes" -a "${with_gssapi}" != "" ; then
gssapi_root="${with_gssapi}"
else
gssapi_root=""
fi
# First: if they specify GSSAPI_LIBS and/or GSSAPI_CFLAGS then use them.
if test "$GSSAPI_LIBS$GSSAPI_CFLAGS" != ""; then
found_gssapi=yes
fi
# Second: try finding a viable krb5-config that supports gssapi
if test "$found_gssapi" = "no"; then
if test -n "${gssapi_root}"; then
krb5path="${gssapi_root}/bin:$PATH"
else
krb5path="/usr/kerberos/bin:$PATH"
fi
if test -n "$host_alias"; then
AC_PATH_PROG(KRB5_CONFIG, [${host_alias}-krb5-config], [], [$krb5path])
fi
if test "$KRB5_CONFIG" = ""; then
AC_PATH_PROG(KRB5_CONFIG, [krb5-config], [], [$krb5path])
fi
if test "$KRB5_CONFIG" != ""; then
AC_MSG_CHECKING([whether $KRB5_CONFIG supports gssapi])
if "${KRB5_CONFIG}" --cflags gssapi > /dev/null 2>/dev/null; then
AC_MSG_RESULT(yes)
found_gssapi=yes
GSSAPI_LIBS="`"${KRB5_CONFIG}" --libs gssapi`"
GSSAPI_CFLAGS="`"${KRB5_CONFIG}" --cflags gssapi`"
else
AC_MSG_RESULT(no)
fi
fi
fi
# Third: look for <gssapi.h> or <gssapi/gssapi.h> in some likely places,
# and we'll worry about how to *link* it in a moment...
if test "$found_gssapi" = "no"; then
if test -n "${gssapi_root}"; then
if test -r "${with_gssapi}/include/gssapi.h" -o \
-r "${with_gssapi}/include/gssapi/gssapi.h"; then
GSSAPI_CFLAGS="-I\"${with_gssapi}/include\""
fi
else
if test -r /usr/kerberos/include/gssapi.h -o \
-r /usr/kerberos/include/gssapi/gssapi.h; then
GSSAPI_CFLAGS=-I/usr/kerberos/include
elif test -r /usr/include/kerberosV/gssapi.h -o \
-r /usr/include/kerberosV/gssapi/gssapi.h; then
# OpenBSD 5.2 puts it here
GSSAPI_CFLAGS=-I/usr/include/kerberosV
else
# Maybe it'll Just Work
GSSAPI_CFLAGS=
fi
fi
fi
oldcflags="$CFLAGS"
CFLAGS="$CFLAGS ${GSSAPI_CFLAGS}"
# OK, now see if we've correctly managed to find gssapi.h at least...
gssapi_hdr=
AC_CHECK_HEADER([gssapi/gssapi.h],
[gssapi_hdr="<gssapi/gssapi.h>"],
[AC_CHECK_HEADER([gssapi.h],
[gssapi_hdr="<gssapi.h>"],
[AC_MSG_WARN([Cannot find <gssapi/gssapi.h> or <gssapi.h>])])])
# Finally, unless we've already failed, see if we can link it.
linked_gssapi=no
if test -n "${gssapi_hdr}"; then
AC_DEFINE_UNQUOTED(GSSAPI_HDR, $gssapi_hdr, [GSSAPI header])
if test "$found_gssapi" = "yes"; then
# We think we have GSSAPI_LIBS already so try it...
GSSAPI_CHECK_BUILD
else
LFLAG=
if test -n "$gssapi_root"; then
LFLAG="-L\"${gssapi_root}/lib$libsuff\""
fi
# Solaris, HPUX, etc.
GSSAPI_LIBS="$LFLAG -lgss"
GSSAPI_CHECK_BUILD
if test "$linked_gssapi" = "no"; then
GSSAPI_LIBS="$LFLAG -lgssapi"
GSSAPI_CHECK_BUILD
fi
if test "$linked_gssapi" = "no"; then
GSSAPI_LIBS="$LFLAG -lgssapi_krb5"
GSSAPI_CHECK_BUILD
fi
if test "$linked_gssapi" = "no"; then
# OpenBSD 5.2 at least
GSSAPI_LIBS="$LFLAG -lgssapi -lkrb5 -lcrypto"
GSSAPI_CHECK_BUILD
fi
if test "$linked_gssapi" = "no"; then
# MIT
GSSAPI_LIBS="$LFLAG -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
GSSAPI_CHECK_BUILD
fi
if test "$linked_gssapi" = "no"; then
# Heimdal
GSSAPI_LIBS="$LFLAG -lkrb5 -lcrypto -lasn1 -lcom_err -lroken -lgssapi"
GSSAPI_CHECK_BUILD
fi
if test "$linked_gssapi" = "no"; then
AC_MSG_WARN([Cannot find GSSAPI. Try setting GSSAPI_LIBS and GSSAPI_CFLAGS manually])
fi
fi
fi
CFLAGS="$oldcflags"
if test "$linked_gssapi" = "yes"; then
AC_DEFINE([HAVE_GSSAPI], 1, [Have GSSAPI support])
AC_SUBST(GSSAPI_CFLAGS)
AC_SUBST(GSSAPI_LIBS)
elif test "$with_gssapi" = ""; then
AC_MSG_WARN([Building without GSSAPI support]);
unset GSSAPI_CFLAGS
unset GSSAPI_LIBS
else
AC_MSG_ERROR([GSSAPI support requested but not found. Try setting GSSAPI_LIBS/GSSAPI_CFLAGS])
fi
fi
AM_CONDITIONAL(OPENCONNECT_GSSAPI, [test "$linked_gssapi" = "yes"])
AC_ARG_WITH([java],
AS_HELP_STRING([--with-java(=DIR)],
[Build JNI bindings using jni.h from DIR [default=no]]),
[], [with_java=no])
if test "$with_java" = "yes"; then
AX_JNI_INCLUDE_DIR
for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS; do
JNI_CFLAGS="$JNI_CFLAGS -I$JNI_INCLUDE_DIR"
done
elif test "$with_java" = "no"; then
JNI_CFLAGS=""
else
JNI_CFLAGS="-I$with_java"
fi
if test "x$JNI_CFLAGS" != "x"; then
oldCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $JNI_CFLAGS"
AC_MSG_CHECKING([jni.h usability])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <jni.h>],
[jint foo = 0; (void)foo;])],
AC_MSG_RESULT([yes]),
[AC_MSG_RESULT([no])
AC_MSG_ERROR([unable to compile JNI test program])])
CFLAGS="$oldCFLAGS"
AC_SUBST(JNI_CFLAGS, [$JNI_CFLAGS])
fi
AM_CONDITIONAL(OPENCONNECT_JNI, [test "$JNI_CFLAGS" != ""])
AC_ARG_ENABLE([jni-standalone],
AS_HELP_STRING([--enable-jni-standalone],
[build JNI stubs directly into libopenconnect.so [default=no]]),
[jni_standalone=$enableval],
[jni_standalone=no])
AM_CONDITIONAL(JNI_STANDALONE, [test $jni_standalone = yes])
symver_java=
if test "$jni_standalone" = "yes" ; then
symver_java=$(sed -n '/JNIEXPORT/{s/^JNIEXPORT.*\(Java_.*\) *(/\1;/ p}' ${srcdir}/jni.c)
# Remove the newlines between each item.
symver_java=$(echo $symver_java)
fi
AC_SUBST(SYMVER_JAVA, $symver_java)
AC_CHECK_HEADER([if_tun.h],
[AC_DEFINE([IF_TUN_HDR], ["if_tun.h"], [if_tun.h include path])],
[AC_CHECK_HEADER([linux/if_tun.h],
[AC_DEFINE([IF_TUN_HDR], ["linux/if_tun.h"])],
[AC_CHECK_HEADER([net/if_tun.h],
[AC_DEFINE([IF_TUN_HDR], ["net/if_tun.h"])],
[AC_CHECK_HEADER([net/tun/if_tun.h],
[AC_DEFINE([IF_TUN_HDR], ["net/tun/if_tun.h"])])])])])
AC_CHECK_HEADER([net/if_utun.h], AC_DEFINE([HAVE_NET_UTUN_H], 1, [Have net/if_utun.h]), ,
[#include <sys/types.h>])
AC_CHECK_HEADER([alloca.h], AC_DEFINE([HAVE_ALLOCA_H], 1, [Have alloca.h]))
AC_CHECK_HEADER([endian.h],
[AC_DEFINE([ENDIAN_HDR], [<endian.h>], [endian header include path])],
[AC_CHECK_HEADER([sys/endian.h],
[AC_DEFINE([ENDIAN_HDR], [<sys/endian.h>])],
[AC_CHECK_HEADER([sys/isa_defs.h],
[AC_DEFINE([ENDIAN_HDR], [<sys/isa_defs.h>])])])])
build_www=yes
AC_PATH_PROGS(PYTHON, [python3 python2 python], [], $PATH:/bin:/usr/bin)
if test -z "${ac_cv_path_PYTHON}"; then
AC_MSG_NOTICE([Python not found; not building HTML pages])
build_www=no
fi
if test "${build_www}" = "yes"; then
AC_MSG_CHECKING([if groff can create UTF-8 XHTML])
AC_PATH_PROGS_FEATURE_CHECK([GROFF], [groff],
[$ac_path_GROFF -t -K UTF-8 -mandoc -Txhtml /dev/null > /dev/null 2>&1 &&
ac_cv_path_GROFF=$ac_path_GROFF])
if test -n "$ac_cv_path_GROFF"; then
AC_MSG_RESULT(yes)
AC_SUBST(GROFF, ${ac_cv_path_GROFF})