AC_PREREQ(2.4)

AC_INIT(NGStream.m)

# Determine the host, build, and target systems
CC_TARGET=$target # use --target value for CC, not the canonical form
AC_CANONICAL_SYSTEM

AC_CONFIG_HEADER(config.h:config.h.in)
AC_PREFIX_DEFAULT(/usr/local)

# check for cross compilation

if test "x$target" = "xNONE"; then
  set target $host
fi

if test "x$host" != "x$target"; then
	cross_defines="CROSS=-DCROSS_COMPILE"
        cross_compiling="yes"
        echo "cross compiling from $host to $target .."
AC_CHECK_PROG(CC,      "${CC_TARGET}-gcc",     "${CC_TARGET}-gcc",     gcc)
AC_CHECK_PROG(RANLIB,  "${CC_TARGET}-ranlib",  "${CC_TARGET}-ranlib",  ranlib)
AC_CHECK_PROG(AR,      "${CC_TARGET}-ar",      "${CC_TARGET}-ar",      ar)
AC_CHECK_PROG(DLLTOOL, "${CC_TARGET}-dlltool", "${CC_TARGET}-dlltool", dlltool)
        CC=${CC_TARGET}-gcc
        LD=${CC_TARGET}-ld
        AR=${CC_TARGET}-ar
        RANLIB=${CC_TARGET}-ranlib
else
AC_CHECK_PROG(CC,      "gcc",     "gcc",     gcc)
AC_CHECK_PROG(RANLIB,  "ranlib",  "ranlib",  ranlib)
AC_CHECK_PROG(AR,      "ar",      "ar",      ar)
AC_CHECK_PROG(DLLTOOL, "dlltool", "dlltool", dlltool)
fi

changequote(,)dnl
case "${host_cpu}" in
    i[45]86*)	host_cpu=i386;;
    hppa1.1)	host_cpu=hppa;;
esac
if test "x$cross_compiling" = "xyes"; then
  case "${target_cpu}" in
    i[45]86*)	target_cpu=i386;;
    hppa1.1)	target_cpu=hppa;;
  esac
else
  target_cpu=${host_cpu}
  target_os=${host_os}
  target_vendor=${host_vendor}
fi
case "x${target_os}" in
  xfreebsd*) target_os=freebsd;;
esac
changequote([,])dnl

# Assign the HOST variables for sharedlib.mak
HOST=$host
HOST_CPU=$host_cpu
HOST_VENDOR=$host_vendor
HOST_OS=$host_os
TARGET=$target
TARGET_CPU=$target_cpu
TARGET_VENDOR=$target_vendor
TARGET_OS=$target_os

AC_CHECK_LIB(nsl, chown)
AC_CHECK_LIB(socket, accept)
AC_CHECK_LIB(wsock32)
AC_CHECK_LIB(advapi32)

transformed_target_cpu=`${GNUSTEP_MAKEFILES}/clean_cpu.sh ${TARGET_CPU}`
ac_cv_file_output_prefix=${transformed_target_cpu}/${TARGET_OS}

AC_HEADER_DIRENT
AC_HAVE_HEADERS(dir.h libc.h time.h stdlib.h memory.h string.h dnl
		strings.h sys/stat.h sys/fcntl.h fcntl.h dnl
                sys/vfs.h sys/statfs.h sys/statvfs.h dnl
		netinet/in.h windows.h winsock.h sys/socket.h dnl
		Windows32/Sockets.h pwd.h process.h grp.h sys/param.h dnl
		sys/file.h sys/errno.h sys/select.h sys/poll.h poll.h dnl
                sys/time.h sys/types.h dnl
                sys/ioctl.h sys/filio.h dnl
                netdb.h unistd.h unistd.h limits.h)
AC_HEADER_SYS_WAIT

AC_CHECK_FUNCS(memcpy getcwd kill poll isatty ttyname ttyname_r dnl
               gethostbyname_r gethostbyaddr_r gethostent_r)
AC_FUNC_MMAP
AC_FUNC_VFORK

# uses AC_TRY_RUN
if test "$cross_compiling" = yes; then
echo "WARNING: cannot check for restartable system calls during cross compilation."
else
AC_SYS_RESTARTABLE_SYSCALLS
fi

AC_OUTPUT(,
[
. ./config.cache

if test ! -d ${ac_cv_file_output_prefix}; then
  ${GNUSTEP_MAKEFILES}/mkinstalldirs ${ac_cv_file_output_prefix}
fi
cp config.h ${ac_cv_file_output_prefix}
rm -f config.h
])