AC_INIT(src/main.c)

NTRIPCASTER_MAJOR=0
NTRIPCASTER_MINOR=1
NTRIPCASTER_MICRO=5

NTRIPCASTER_VERSION=$NTRIPCASTER_MAJOR.$NTRIPCASTER_MINOR.$NTRIPCASTER_MICRO

PACKAGE=ntripcaster
VERSION="$NTRIPCASTER_VERSION"

echo "Building Ntripcaster-$VERSION..."

AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
AM_MAINTAINER_MODE

if test "x$prefix" = "xNONE"; then
	prefix="/usr/local/ntripcaster"
else
	prefix=$prefix
fi

NTRIPCASTER_BINDIR=${prefix}/bin
NTRIPCASTER_ETCDIR_INST=${prefix}/conf
NTRIPCASTER_LOGDIR_INST=${prefix}/logs
NTRIPCASTER_ETCDIR=conf
NTRIPCASTER_LOGDIR=logs
NTRIPCASTER_SHAREDIR=${prefix}

AM_CONFIG_HEADER(config.h)

AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
AC_SUBST(VERSION)

AC_SUBST(NTRIPCASTER_BINDIR)
AC_SUBST(NTRIPCASTER_ETCDIR_INST)
AC_SUBST(NTRIPCASTER_LOGDIR_INST)

AC_DEFINE_UNQUOTED(NTRIPCASTER_ETCDIR, "$NTRIPCASTER_ETCDIR")
AC_SUBST(NTRIPCASTER_ETCDIR)
AC_DEFINE_UNQUOTED(NTRIPCASTER_LOGDIR, "$NTRIPCASTER_LOGDIR")
AC_SUBST(NTRIPCASTER_LOGDIR)

AC_ARG_PROGRAM
AC_PROG_RANLIB
AC_PROG_CC

if test "$CC" = "gcc"; then
	CFLAGS="$CFLAGS -Wall" 
fi 

AC_CHECK_PROG(UNAME,uname,uname)
AC_PROG_INSTALL

dnl weird ass systems
AC_AIX
AC_ISC_POSIX
AC_MINIX

AC_MSG_CHECKING(your OS)
system=`$UNAME`
IRIX=no
case $system in
	Linux)
		LINUX=1
		AC_DEFINE(LINUX)
		AC_MSG_RESULT(Linux)
		;;
	SunOS)
		if test x`uname -r | cut -d . -f 1` = "x5"; then
			SYSV=1
			SVR4=1
			SOLARIS=1
			AC_MSG_RESULT(Solaris)
			AC_DEFINE(SYSV)
			AC_DEFINE(SVR4)
			AC_DEFINE(SOLARIS)
		else
			AC_MSG_RESULT(SunOS)
		fi
		if test "$CC" = cc; then
			CFLAGS="$CFLAGS -mt"
		fi
		;;
	HP-UX)
		hpux=1
		AC_DEFINE(hpux)
		AC_MSG_RESULT(HP-UX)
		CFLAGS="$CFLAGS -D_HPUX_SOURCE -DHPUX"
		if test "$CC" = cc; then
			CFLAGS="$CFLAGS -Aa"
		fi
		;;
	IRIX)
		IRIX=yes
		AC_DEFINE(IRIX)
		AC_MSG_RESULT(IRIX)
		;;
	BSD/OS)
		__SOMEBSD__=yes
		AC_DEFINE(__SOMEBSD__)
		AC_MSG_RESULT(BSD/OS)
		;;
	*BSD*)
		__SOMEBSD__=yes
		AC_DEFINE(__SOMEBSD__)
		AC_MSG_RESULT(Some BSD variant)
		OLDCPPFLAGS=$CPPFLAGS
		THREADCPPFLAGS="-pthread"
		CPPFLAGS="$OLDCPPFLAGS $THREADCPPFLAGS"
		AC_TRY_COMPILE([#include <pthread.h>],
			       [pthread_t thread; ],	
	       		       ,
			       	CPPFLAGS="$OLDCPPFLAGS")
		CPPFLAGS=$OLDCPPFLAGS
		if test "$CC" = gcc; then
			CFLAGS="-pthreads $CFLAGS"
		fi
		;;
	*)
		AC_MSG_RESULT($system)
		;;
esac

if test ${IRIX} = yes; then
	echo Skipping library tests because they confuse Irix.
else

	

  AC_CHECK_FUNCS(socket)

  if test "$ac_cv_func_socket" = no; then
    for lib in socket inet; do
	if test "$HAVE_SOCKET" != 1; then
		AC_CHECK_LIB($lib, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET))
	fi
    done
  fi
  
  AC_CHECK_FUNCS(connect)	

  if test "$ac_cv_func_connect" = no; then
    for lib in nsl; do
	if test "$HAVE_CONNECT" != 1; then
		AC_CHECK_LIB($lib, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT))
	fi
    done
  fi

  AC_CHECK_FUNCS(log)

  if test "$ac_cv_func_log" = no; then
    for lib in m; do
	AC_CHECK_LIB($lib, log)
    done
  fi

  AC_CHECK_FUNCS(gethostbyname)
  if test "$ac_cv_func_gethostbyname" = no; then
	for lib in dns nsl resolv; do
	  if test "$HAVE_GETHOSTBYNAME" != 1; then
	    AC_CHECK_LIB($lib, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME))
	  fi
	done	
  fi	

  AC_CHECK_FUNCS(nanosleep)
	
  if test "$ac_cv_func_nanosleep" = no; then
	for lib in rt; do
		AC_CHECK_LIB($lib, nanosleep,LIBS="$LIBS -l$lib";HAVE_NANOSLEEP=1;AC_DEFINE(HAVE_NANOSLEEP))
	done
  fi
fi

opt_readline="no"

dnl Do we want libreadline ?
if test "$opt_readline" = "unset"; then
	if test -f "$withval/include/readline/readline.h"; then
    		READLINE_INCLUDE="-I$withval/include"
		LDFLAGS="$LDFLAGS -L$withval/lib"
		AC_MSG_RESULT(yes)
		opt_readline="yes"
    	elif test -f "$withval/include/readline.h"; then
		READLINE_INCLUDE="-I$withval/include"
		LDFLAGS="$LDFLAGS -L$withval/lib"
		AC_MSG_RESULT(yes)
		opt_readline="yes"
	elif test -f "$withval/readline.h"; then
		READLINE_INCLUDE="-I$withval"
		LDFLAGS="$LDFLAGS -L$withval"
		AC_MSG_RESULT(yes)
		opt_readline="yes"
    	elif test -f "/usr/include/readline/readline.h"; then
		READLINE_INCLUDE="-I/usr/include/readline"
		AC_MSG_RESULT(yes)
		opt_readline="yes"
	elif test -f "/usr/include/readline.h"; then
		AC_MSG_RESULT(yes)
		opt_readline="yes"
	elif test -f "/usr/local/include/readline.h"; then
		READLINE_INCLUDE="-I/usr/local/include"
		LDFLAGS="$LDFLAGS -L/usr/local/lib"
		AC_MSG_RESULT(yes)
		opt_readline="yes"
    	elif test -f "/usr/local/include/readline/readline.h"; then
		READLINE_INCLUDE="-I/usr/local/include/readline"
		LDFLAGS="$LDFLAGS -L/usr/local/lib"
		AC_MSG_RESULT(yes)
		opt_readline="yes"
    	else
		AC_MSG_RESULT(no)
		opt_readline="no"
	fi
fi

if test "$opt_readline" = yes; then
  AC_CHECK_LIB(readline,
    readline,,
    [ AC_MSG_WARN(Testing with -ltermcap)
    unset ac_cv_lib_readline_readline
    AC_CHECK_LIB(readline,
      readline,
      LIBS="$LIBS -lreadline -ltermcap" 
      AC_DEFINE(HAVE_LIBREADLINE),
      AC_MSG_WARN(Compiling without readline support),
      -ltermcap)]
  )	
fi

CPPFLAGS="$CPPFLAGS $READLINE_INCLUDE"

dnl Do we want libwrap?
AC_MSG_CHECKING(whether to use libwrap)
AC_ARG_WITH(libwrap,
[  --with-libwrap[=PATH]   compile in libwrap (tcp_wrappers) support.],
[ case "$withval" in
  no)
	AC_MSG_RESULT(no)
	;;
  yes)
	AC_MSG_RESULT(yes)
	AC_CHECK_LIB(wrap, request_init,WRAPLIBS="-lwrap";opt_libwrap="yes";)
	;;
  *)
	AC_MSG_RESULT(yes)
	opt_libwrap="yes"
	if test -d "$withval"; then
		WRAPLIBS="-L$withval -lwrap"
		WRAPINCLUDES="-I$withval/include"
	else
		WRAPLIBS="$withval"
	fi
	OLDLIBS="$LIBS"
	LIBS="$WRAPLIBS $LIBS"
	AC_TRY_LINK([int allow_severity; int deny_severity; ],
		    [hosts_access(); ],
		    [],
		    [AC_MSG_ERROR(Could not find the $withval library. You must first install tcp_wrappers.)])
	    LIBS="$OLDLIBS"
	;;
  esac ],
  AC_MSG_RESULT(no)
)

if test "$opt_libwrap" = yes; then
AC_DEFINE(HAVE_LIBWRAP)

AC_CHECK_FUNCS(yp_get_default_domain)

	if test "$ac_cv_func_yp_get_default_domain" = no; then
		for lib in wrap nsl nss_nis; do
			if test "$HAVE_YP_GET_DEFAULT_DOMAIN" != 1; then
				AC_CHECK_LIB($lib, yp_get_default_domain,LIBS="$LIBS -l$lib";HAVE_YP_GET_DEFAULT_DOMAIN=1;AC_DEFINE(HAVE_YP_GET_DEFAULT_DOMAIN))
			fi
		done
	fi

fi

AC_SUBST(WRAPLIBS)
AC_SUBST(WRAPINCLUDES)

dnl Do we want crypt?
AC_MSG_CHECKING(whether to use crypted passwords)
AC_ARG_WITH(crypt,
[  --with-crypt            use crypt() to encrypt server passwords.],
[ case "$withval" in
  yes)
	AC_MSG_RESULT(yes)
	opt_crypt="yes"
	;;
  *)
	AC_MSG_RESULT(no)
	;;
  esac ],
  AC_MSG_RESULT(no)
)

CRYPTLIB=	
if test "$opt_crypt" = yes; then
	AC_CHECK_LIB(crypt, crypt, CRYPTLIB="-lcrypt",)
	AC_DEFINE(USE_CRYPT)
fi

AC_SUBST(CRYPTLIB)

THREADLIBS="no"

AC_MSG_CHECKING(for pthread functions in standard libraries)
AC_TRY_LINK(, [pthread_create();],AC_MSG_RESULT(yes);THREADLIBS="",AC_MSG_RESULT(no))

if test "$THREADLIBS" = ""; then
	AC_MSG_CHECKING(if that definition really works)
	AC_TRY_RUN([int main() { return !pthread_equal(pthread_self(), pthread_self());}],
		    AC_MSG_RESULT(yes);THREADLIBS="",
		    AC_MSG_RESULT(no);THREADLIBS="no",
		    AC_MSG_RESULT(crosscompiling so no);THREADLIBS="no")
fi

if test "$THREADLIBS" = "no"; then
    for lib in pthread c_r dce pthreads; do
      AC_CHECK_LIB($lib,pthread_create,THREADLIBS="-l$lib")
      if test $THREADLIBS != "no"; then
	break
      fi
    done
fi
  
if test "$THREADLIBS" = "no"; then
	  AC_CHECK_FUNCS(pthread_create,THREADLIBS="")
fi

if test "$THREADLIBS" = "no"; then
        AC_MSG_ERROR(Your system doesn't seem to support posix threads. Ntripcaster 0.2.0 and above won't work without threads support)
        exit
fi

AC_SUBST(THREADLIBS)
LIBS="$LIBS $THREADLIBS"
CFLAGS="$THREADCPPFLAGS $CPPFLAGS $CFLAGS"

AC_ARG_WITH(python,
[  --with-python[=ARG]        enable usage of the python interpreter [ARG=yes]])

AC_ARG_WITH(python-includes,
[  --with-python-includes=DIR Python include files are in DIR])
AC_ARG_WITH(python-libraries,
[  --with-python-libraries=DIR Python library file are in DIR])

if test "$with_python_includes"; then
        CPPFLAGS="$CPPFLAGS -I$with_python_includes"
        if test "$with_python" = ""; then
                with_python=yes
        fi
fi

if test "$with_python_libraries"; then
        LIBS="$LIBS -L$with_python_libraries"
        if test "$with_python" = ""; then
                with_python=yes
        fi
fi

if test "$with_python"; then
dnl I can't say for sure what libs we need for python, but this is what my system needs
AC_CHECK_LIB(dl, dlopen)
	for lib in python python2.0 python1.6 python1.5; do
		AC_CHECK_LIB($lib, Py_Initialize)
	done
fi

AC_TRY_COMPILE([#include <syslog.h>],
               [int foo = LOG_DAEMON; ],
               ,
               AC_DEFINE(NEED_SYS_SYSLOG_H))

dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_DIRENT
AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/soundcard.h machine/soundcard.h pthread.h assert.h sys/resource.h math.h signal.h sys/signal.h mcheck.h malloc.h history.h Python.h) 

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
AC_HEADER_TIME
AC_STRUCT_TM
AC_RETSIGTYPE

AC_MSG_CHECKING([for unix98 socklen_t])
AC_TRY_COMPILE([#include <sys/types.h>
		#include <sys/socket.h>],
	    [typedef socklen_t int; 
	    int apan (void) {return 1;}],
	AC_MSG_RESULT(yeah)
	HAVE_SOCKLEN_T=yes,
	AC_MSG_RESULT(nah)
	HAVE_SOCKLEN_T=no)

if test ${HAVE_SOCKLEN_T} = yes ;then 
	AC_DEFINE(HAVE_SOCKLEN_T)		
fi

dnl Checks for library functions.
AC_FUNC_STRFTIME
AC_FUNC_VPRINTF

AC_CHECK_FUNCS(gettimeofday strstr snprintf vsnprintf rename setpgid basename setsockopt gethostbyname_r gethostbyaddr_r getrlimit setrlimit umask inet_addr inet_aton localtime_r select pthread_attr_setstacksize inet_ntoa mcheck mallinfo mtrace sigaction pthread_sigmask lseek)

AC_MSG_CHECKING(if libm is bundled with some lib we're already linking)
AC_TRY_LINK(, [sin(1);],AC_MSG_RESULT(yes);LDLAGS="",AC_MSG_RESULT(no);LDFLAGS="-lm")

AC_OUTPUT([Makefile src/Makefile conf/Makefile conf/ntripcaster.conf.dist])

echo "Ok, everything seems ok. Now do 'make'."
echo "You can then run make install to install as you specified"