configure.in

dnl Process this file with autoconf to produce a configure script.
AC_INIT(configure.in)

dnl Specify a header configuration file
AM_CONFIG_HEADER(config.h)

dnl Initialize automake stuff
AM_INIT_AUTOMAKE(NewsCache, 1.2rc6)

AC_DEFUN([AC_PROG_CXX_EXCEPTIONS],[])

dnl Compiler flags
CXXFLAGS="-Wall ${CXXFLAGS}"

dnl ****************************************************************
dnl Configuration options.
dnl ****************************************************************

dnl md5
AC_ARG_WITH(md5, [  --with-md5              enable md5 hashes for authinfo [default=yes]],
if eval "test x$with_md5 = xyes"; then
  AC_DEFINE(MD5_CRYPT)
fi,
AC_DEFINE(MD5_CRYPT)
)

dnl md5auto
AC_ARG_WITH(md5_auto, [  --with-md5auto          enable autodetection of md5 hashes [default=yes]],
if eval "test x$with_md5auto = xyes"; then
  AC_DEFINE(MD5_AUTO)
fi,
AC_DEFINE(MD5_AUTO)
)

dnl shadow
AC_ARG_WITH(shadow, [  --with-shadow           support for shadow passwords [default=auto]],
if eval "test x$with_shadow = xyes"; then
  AC_DEFINE(SHADOW_PASSWORD)
fi,
with_shadow=auto
)

dnl pam
AC_ARG_WITH(pam, [  --with-pam              support for PAM [default=no]],
[case $withval in
 	yes)	AC_DEFINE(PAM_AUTH)
		AC_DEFINE(PAM_DEFAULT_SERVICENAME,"newscache")
	     	;;
	no)	AC_DEFINE(PAM_DEFAULT_SERVICENAME,"newscache")
		;;
	*)	AC_DEFINE(PAM_AUTH)
		AC_DEFINE_UNQUOTED(PAM_DEFAULT_SERVICENAME,"${withval}")
		;;
esac
]
,[AC_DEFINE(PAM_DEFAULT_SERVICENAME,"newscache")])

dnl syslog
AC_ARG_WITH(syslog, [  --with-syslog           use syslogd for logging [default=auto]],
if eval "test x$with_syslog = xyes"; then
  AC_DEFINE(WITH_SYSLOG)
fi,
with_syslog=auto
)

AC_ARG_ENABLE(headerlog, [  --enable-headerlog      enable logging of postings' headers [default=no]],
if eval "test x$enable_headerlog = xyes"; then
  AC_DEFINE(ENABLE_HEADERLOG)
fi,
)

AC_ARG_ENABLE(debug, [  --enable-debug          turn on verbosity [default=no]],
if eval "test x$enable_debug = xyes"; then
  AC_DEFINE(ENABLE_DEBUG)
  CXXFLAGS="-g -O0 $CXXFLAGS"
fi,
)

AC_ARG_ENABLE(plainpass, [  --enable-plainpass   use plain text passwords check[default=no]],
if eval "test x$enable_plainpass = xyes"; then
  AC_DEFINE(PLAIN_TEXT_PASSWORDS)
fi,
)

dnl Enable assertions
AC_ARG_ENABLE(assertions, [  --enable-assertions     turn on assertions [default=yes]],
if eval "test x$enable_assertions = xyes"; then
  AC_DEFINE(ENABLE_ASSERTIONS)
fi,
AC_DEFINE(ENABLE_ASSERTIONS)
)

AC_ARG_WITH(uniquename, [  --with-uniquename            with unique package name [default=no]],
if eval " test x$with_uniquenames = xno"; then
  AC_DEFINE(WITH_UNIQUE_PACKAGE_NAME)
fi,
)

AC_DEFINE(PACKAGE_NEWSCACHECLEAN,"NewsCacheClean")
AC_DEFINE(PACKAGE_UPDATENEWS,"updatenews")

dnl Set SYSCONFDIR in config.h.
AC_DEFINE_UNQUOTED(SYSCONFDIR,"${sysconfdir}")

dnl ****************************************************************
dnl Checks for programs.
dnl ****************************************************************

AC_PROG_CC
AC_LANG_CPLUSPLUS
AC_PROG_CXX

AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_MAKE_SET

AC_PATH_PROG(MV, mv, mv)
AC_PATH_PROG(RM, rm, rm)
AC_PATH_PROG(SED, sed, sed)

# CHECKING whether find accepts -printf
AC_MSG_CHECKING([whether find accepts -printf])
if find man -printf "%A@ %h\n">/dev/null 2>&1; then
  ac_cv_prog_find_printf=yes
else
  ac_cv_prog_find_printf=no
fi
AC_MSG_RESULT([$ac_cv_prog_find_printf])
AC_SUBST(ac_cv_prog_find_printf)

# CHECKING for exception-handling
AC_MSG_CHECKING([whether ${CXX-g++} handles exceptions])
cat >conftest.cc <<EOF
class Exc {
public:
  Exc() {}
  ~Exc() {}
};
void t() { throw Exc(); }
main() {
  try {
    t();
  }
  catch(Exc &e) {
  }
}
EOF
if test -z "`${CXX-g++} -c conftest.cc 2>&1`"; then
  ac_cv_prog_cxx_exceptions=yes
else
  if test -z "`${CXX-g++} -fhandle-exceptions -c conftest.cc 2>&1`"; then
    ac_cv_prog_cxx_exceptions=yes    
    CXXFLAGS="-fhandle-exceptions $CXXFLAGS"
  else
    ac_cv_prog_cxx_exceptions=no
  fi
fi

rm -f conftest*
AC_MSG_RESULT([$ac_cv_prog_cxx_exceptions])

if eval "test x$ac_cv_prog_cxx_exceptions = xno"; then
  echo "Your c++ compiler cannot handle exceptions!"
  exit 1
fi

dnl ****************************************************************
dnl Checks for header files.
dnl ****************************************************************

AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h limits.h shadow.h sys/file.h syslog.h unistd.h tcpd.h sstream getopt.h)
AC_CHECK_HEADER(socket++/sockinet.h,,
	AC_MSG_ERROR(Headers for library libsocket++ not found))
if eval "test x${with_pam+set} = xset"; then
	 AC_CHECK_HEADERS(security/pam_appl.h)
	 if test $ac_cv_header_security_pam_appl_h = no; then
	 	AC_MSG_ERROR(You don't have PAM header files.)
	 fi
fi
dnl Checks for typedefs, structures, and compiler characteristics.
dnl AC_C_CONST -- we don't use c
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM
AC_STRUCT_TIMEZONE

dnl ****************************************************************
dnl Checks for libraries.
dnl ****************************************************************

AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(crypt, crypt)


if eval "test x${with_pam+set} = xset"; then
    dnl AC_CHECK_LIB(pam,    [pam_start], [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
    AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl")
    AC_CHECK_LIB(pam, pam_start, LIBS="$LIBS -lpam",
                 AC_MSG_RESULT([Can't find libpam]);exit 1)
fi


dnl libwrap
dnl AC_CHECK_LIB(wrap, hosts_ctl)

AC_MSG_CHECKING([for hosts_ctl in -lwrap])
ac_save_LIBS="$LIBS"
LIBS="-lwrap $LIBS"
AC_TRY_LINK([#include <tcpd.h>
extern "C" int hosts_ctl(char *daemon, char *client_name, char *client_addr, char *client_user);
int allow_severity; int deny_severity;], [hosts_ctl(0,0,0,0);],
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_LIBWRAP)
ac_cv_lib_wrap_hosts_ctl=yes,
LIBS="$ac_save_LIBS"
AC_MSG_RESULT([no])
ac_cv_lib_wrap_hosts_ctl=no)

AC_SUBST(CXXFLAGS)

AC_SUBST(LDADD)

dnl ****************************************************************
dnl Checks for library functions.
dnl ****************************************************************

AC_FUNC_MMAP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(gethostname gettimeofday mkdir select setpriority socket strerror strstr strtol syslog sigaction)

AC_MSG_CHECKING([argument 3 of accept])
AC_TRY_COMPILE([#include<sys/types.h>
#include<sys/socket.h>],[struct sockaddr addr;
unsigned int s=-1, socklen=sizeof(struct sockaddr);
accept(s,&addr,&socklen);],
AC_MSG_RESULT([unsigned int*])
ac_cv_accept_arg3_int=yes,
AC_MSG_RESULT([size_t*])
ac_cv_accept_arg3_int=no)
if eval "test x$ac_cv_accept_arg3_int = xyes"; then
  AC_DEFINE(SOCKLEN_TYPE,unsigned int)
fi

dnl libsocket++
OLDLIBS=$LIBS
libsocket_found=no
AC_MSG_CHECKING("libsocket++")
LIBS="-lsocket++ $LIBS"
AC_TRY_LINK([#include <socket++/sockinet.h>], [iosockinet sio; sio.rdbuf()->setname("Test");],
	libsocket_found=yes ,)
if  eval "test x$libsocket_found = xyes"; then
	AC_MSG_RESULT(yes)
else
	AC_MSG_RESULT(no)
	LIBS=$OLDLIBS
fi

if eval "test x$libsocket_found = xno"; then
	AC_MSG_ERROR(No libsocket++ Library found!)
fi

dnl CONF_UIDROOT
dnl The userid of your superuser (usually root).
dnl Usually, this is 0.
AC_DEFINE(CONF_UIDROOT,0)

dnl ****************************************************************
dnl Checks for required functions/headers.
dnl ****************************************************************

if eval "test x$with_syslog = xyes"; then
  if eval "test x$ac_cv_func_syslog = xno -o x$ac_cv_header_syslog_h = xno"; then
    echo "Cannot configure with syslog support.  Your system either lacks"
    echo "the syslog function or the syslog.h header file.  Please, use"
    echo "the --without-syslog option."
    exit 1
  fi
elif eval "test x$with_syslog = xauto -a x$ac_cv_func_syslog = xyes -a x$ac_cv_header_syslog_h = xyes"; then
  AC_DEFINE(WITH_SYSLOG)
  with_syslog=yes
fi

if eval "test x$with_shadow = xyes"; then
  if eval "test x$ac_cv_header_shadow_h = xno"; then
    echo "Cannot configure with shadow password support.  Your system"
    echo "lacks the shadow.h header file.  Please, use the"
    echo "--without-shadow option."
    exit 1
  fi
elif eval "test x$with_shadow = xyes -a x$ac_cv_header_shadow_h = xyes"; then
  AC_DEFINE(SHADOW_PASSWORD)
  with_shadow=yes
fi


dnl ****************************************************************
dnl Generate output files
dnl ****************************************************************

dnl Makefiles
AC_OUTPUT([
		Makefile
		md5lib/Makefile 
		NVClasses-0.9.1/Makefile 
		NServer-0.9.1/Makefile 
		NServer-0.9.1/checks/Makefile 
		src/Makefile 
		man/Makefile 
		doc/Makefile 
		etc/Makefile 
		etc/NewsCache.init 
		test/Makefile 
	  ])