AC_INIT(src/main.c)

AM_INIT_AUTOMAKE(encio,0.1)

AC_CONFIG_HEADER(config.h)

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB

AC_caolan_CHECK_PACKAGE(libmhash, mhash_keygen, mhash, mhash.h, AC_MSG_RESULT([found.]), AC_MSG_ERROR([not found.]) )
AC_caolan_CHECK_PACKAGE(libmcrypt, mcrypt_generic_init, mcrypt, mcrypt.h, AC_MSG_RESULT([found.]), AC_MSG_ERROR([not found.]) )



dnl
dnl Check for existence of /dev/random
dnl
AC_MSG_CHECKING([whether use of /dev/random is requested])
AC_ARG_ENABLE(dev-random,[  --disable-dev-random    disable the use of dev random], try_dev_random=$enableval, try_dev_random=yes)
AC_MSG_RESULT($try_dev_random)


case "${target}" in
    *-openbsd*)
        NAME_OF_DEV_RANDOM="/dev/srandom"
        NAME_OF_DEV_URANDOM="/dev/urandom"
        ;;
    *-cygwin*)
	AC_DEFINE(WIN32, 1, [win32])
        NAME_OF_DEV_RANDOM=""
        NAME_OF_DEV_URANDOM=""
	;;
    *-mingw*)
	AC_DEFINE(WIN32, 1, [win32])
        NAME_OF_DEV_RANDOM=""
        NAME_OF_DEV_URANDOM=""
        ;;
    *)
        NAME_OF_DEV_RANDOM="/dev/random"
        NAME_OF_DEV_URANDOM="/dev/urandom"
        ;;
esac

AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$NAME_OF_DEV_RANDOM", [path of random])
AC_DEFINE_UNQUOTED(NAME_OF_DEV_URANDOM, "$NAME_OF_DEV_URANDOM", [path of urandom])

dnl
dnl check whether we have a random device
dnl

if test "$try_dev_random" = yes ; then
AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
[if test -c "/dev/random" && test -c "$NAME_OF_DEV_URANDOM" ; then
  ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
if test "$ac_cv_have_dev_random" = yes; then
    AC_DEFINE(HAVE_DEV_RANDOM, 1, [whether /dev/random exists])
else
    AC_MSG_WARN(No random device found. No real random data can be used.)
fi
else
    AC_MSG_CHECKING(for random device)
    ac_cv_have_dev_random=no
    AC_MSG_RESULT(has been disabled)
    AC_MSG_WARN(Support for random device was disabled. No real random data can be used.)
fi


AC_OUTPUT([Makefile src/Makefile tests/Makefile doc/Makefile])