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# Process this file with autoconf to produce a configure script.
AC_INIT([stunnel],[4.09])
AC_MSG_NOTICE([**************************************** initialization])
AC_CONFIG_AUX_DIR(auto)
AM_INIT_AUTOMAKE(stunnel, 4.09)
AC_CONFIG_SRCDIR(src/stunnel.c)
AC_CANONICAL_HOST
AC_SUBST(host)
AC_DEFINE_UNQUOTED(HOST, "$host")
AC_PROG_CC
if test "$GCC" = "yes"; then
CFLAGS="$CFLAGS -Wall -Wshadow -Wcast-align -Wpointer-arith"
fi
AC_PROG_INSTALL
AC_PROG_MAKE_SET
# Checks for typedefs, structures, and compiler characteristics
# AC_C_CONST
# AC_TYPE_SIGNAL
# AC_TYPE_SIZE_T
# AC_TYPE_PID_T
# AC_HEADER_TIME
AC_MSG_NOTICE([**************************************** libtool])
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_MSG_NOTICE([**************************************** integer sizes])
AC_CHECK_SIZEOF(unsigned char)
AC_CHECK_SIZEOF(unsigned short)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
AC_MSG_NOTICE([**************************************** PTY device files])
AC_CHECK_FILE("/dev/ptmx", AC_DEFINE(HAVE_DEV_PTMX))
AC_CHECK_FILE("/dev/ptc", AC_DEFINE(HAVE_DEV_PTS_AND_PTC))
AC_MSG_NOTICE([**************************************** SSL and entropy])
checkssldir() { :
if test -f "$1/include/openssl/ssl.h"; then
AC_DEFINE(HAVE_OPENSSL)
ssldir="$1"
return 0
fi
if test -f "$1/include/ssl.h"; then
ssldir="$1"
return 0
fi
return 1
}
# Check for SSL directory
AC_MSG_CHECKING([for SSL directory])
AC_ARG_WITH(ssl,
[ --with-ssl=DIR location of installed SSL libraries/include files],
[
# Check the specified localtion only
checkssldir "$withval"
],
[
# Search default localtions of SSL library
for maindir in /usr/local /usr/lib /usr/pkg /usr /var/ssl /opt; do
for dir in $maindir $maindir/openssl $maindir/ssl; do
checkssldir $dir && break 2
done
done
]
)
if test -z "$ssldir"; then
AC_MSG_RESULT([Not found])
echo
echo "Couldn't find your SSL library installation dir"
echo "Use --with-ssl option to fix this problem"
echo
exit 1
fi
AC_MSG_RESULT([$ssldir])
AC_SUBST(ssldir)
AC_DEFINE_UNQUOTED(ssldir, "$ssldir")
AC_CHECK_HEADER([$ssldir/include/openssl/engine.h],
[AC_DEFINE([HAVE_OSSL_ENGINE_H])],
[AC_MSG_WARN([Openssl engine header not found])])
AC_ARG_WITH(egd-socket,
[ --with-egd-socket=FILE Entropy Gathering Daemon socket pathname],
[EGD_SOCKET="$withval"]
)
if test -n "$EGD_SOCKET" ; then
AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
fi
# Check for user-specified random device
AC_ARG_WITH(random,
[ --with-random=FILE read randomness from FILE (default=/dev/urandom)],
[RANDOM_FILE="$withval"],
[
# Check for random device
AC_CHECK_FILE("/dev/urandom",
[
RANDOM_FILE="/dev/urandom";
]
)
]
)
if test -n "$RANDOM_FILE" ; then
AC_SUBST(RANDOM_FILE)
AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE")
fi
AC_MSG_NOTICE([**************************************** libraries])
# Checks for standard libraries
AC_CHECK_LIB(dl, dlopen)
AC_CHECK_LIB(dld, shl_load)
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(util, openpty)
# OSF hack instead of simple AC_CHECK_LIB here
AC_MSG_CHECKING([for pthread_create in -lpthread])
saved_LIBS="$LIBS"
LIBS="-lpthread $saved_LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_create((void *)0, (void *)0, (void *)0, (void *)0)]])],[AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_LIBPTHREAD)],[AC_MSG_RESULT([no]); LIBS="$saved_LIBS"])
# BSD hack
AC_CHECK_LIB(c_r, pthread_create,
[LIBS="$LIBS -pthread"; AC_DEFINE(HAVE_LIBPTHREAD)]
)
# Check for libwrap library
AC_MSG_CHECKING([whether to use the libwrap (TCP wrappers) library])
AC_ARG_WITH(tcp-wrappers,
[ --with-tcp-wrappers Use the libwrap (TCP wrappers) library],
[
if test "$withval" = "yes"; then
AC_MSG_RESULT([yes])
AC_MSG_CHECKING([for hosts_access in -lwrap])
saved_LIBS="$LIBS"
LIBS="-lwrap $LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[int hosts_access(); int allow_severity, deny_severity;]], [[hosts_access()]])],[AC_MSG_RESULT([yes]); wrap_LIB="-lwrap"; AC_DEFINE(HAVE_LIBWRAP)],[AC_MSG_RESULT([not found]); exit 1])
LIBS="$saved_LIBS"
else
AC_MSG_RESULT([no])
fi
],
[
AC_MSG_RESULT([(default)])
AC_MSG_CHECKING([for hosts_access in -lwrap])
saved_LIBS="$LIBS"
LIBS="-lwrap $saved_LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[int hosts_access(); int allow_severity, deny_severity;]], [[hosts_access()]])],[AC_MSG_RESULT([yes]); wrap_LIB="-lwrap"; AC_DEFINE(HAVE_LIBWRAP)],[AC_MSG_RESULT([no])])
LIBS="$saved_LIBS"
]
)
# Add BeOS libraries
if test "$host_os" = "beos"; then
LIBS="$LIBS -lbe -lroot -lbind"
fi
# Add SSL includes and libraries
CFLAGS="$CFLAGS -I$ssldir/include"
LIBS="$LIBS -L$ssldir/lib -lssl -lcrypto"
# Check for obsolete RSAref library
AC_MSG_CHECKING([for obsolete RSAref library])
saved_LIBS="$LIBS"
LIBS="$saved_LIBS -lRSAglue -L$prefix/lib -lrsaref"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[AC_MSG_RESULT([yes]); ],[AC_MSG_RESULT([no]); LIBS="$saved_LIBS"])
AC_MSG_NOTICE([**************************************** header files])
# AC_HEADER_DIRENT
# AC_HEADER_STDC
# AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(grp.h unistd.h sys/select.h poll.h sys/poll.h tcpd.h pthread.h sys/ioctl.h util.h pty.h stropts.h sys/filio.h sys/resource.h)
AC_MSG_NOTICE([**************************************** library functions])
AC_CHECK_FUNCS(snprintf vsnprintf openpty _getpty daemon waitpid wait4 sysconf getrlimit pthread_sigmask setgroups localtime_r chroot endhostent setsid getaddrinfo getnameinfo poll)
AC_MSG_NOTICE([**************************************** optional features])
# Use RSA?
AC_MSG_CHECKING([whether to disable RSA support])
AC_ARG_ENABLE(rsa,
[ --disable-rsa Disable RSA support],
[AC_MSG_RESULT([yes]); AC_DEFINE(NO_RSA)],
[AC_MSG_RESULT([no])]
)
# Use DH?
AC_MSG_CHECKING([whether to enable DH support])
AC_ARG_ENABLE(dh,
[ --enable-dh Enable DH support],
[AC_MSG_RESULT([yes]); USE_DH=1; AC_DEFINE(USE_DH)],
[AC_MSG_RESULT([no]); USE_DH=0]
)
AC_SUBST(USE_DH)
# Use IPv6?
AC_MSG_CHECKING([whether to enable IPv6 support])
AC_ARG_ENABLE(ipv6,
[ --enable-ipv6 Enable IPv6 support],
[AC_MSG_RESULT([yes]); USE_IPv6=1; AC_DEFINE(USE_IPv6)],
[AC_MSG_RESULT([no]); USE_IPv6=0]
)
AC_SUBST(USE_IPv6)
AC_MSG_NOTICE([**************************************** write the results])
LIBS="$LIBS $wrap_LIB"
CPPFLAGS="$CPPFLAGS -DLIBDIR=\\\"$libdir\\\" -DCONFDIR=\\\"$sysconfdir/stunnel\\\" -DPIDFILE=\\\"$localstatedir/run/stunnel.pid\\\""
AC_CONFIG_FILES([Makefile src/Makefile src/stunnel3 doc/Makefile tools/Makefile tools/stunnel.conf-sample tools/stunnel.init])
AC_OUTPUT
AC_MSG_NOTICE([**************************************** success])
# End of configure.ac
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