dnl Process this file with autoconf to produce a configure script.

AC_INIT(configure.in)
AM_INIT_AUTOMAKE(gnubile, 0.20)
AM_CONFIG_HEADER(config.h)

AC_ISC_POSIX
AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC

AM_PATH_GTK(1.2.0, ,
            AC_MSG_ERROR(Cannot find GTK: Is gtk-config in path?))

dnl Set PACKAGE_DATA_DIR in config.h.
if test "x${datadir}" = 'x${prefix}/share'; then
  if test "x${prefix}" = "xNONE"; then
    AC_DEFINE_UNQUOTED(PACKAGE_DATA_DIR, "${ac_default_prefix}/share/${PACKAGE}")
  else
    AC_DEFINE_UNQUOTED(PACKAGE_DATA_DIR, "${prefix}/share/${PACKAGE}")
  fi
else
  AC_DEFINE_UNQUOTED(PACKAGE_DATA_DIR, "${datadir}/${PACKAGE}")
fi

dnl Set PACKAGE_SOURCE_DIR in config.h.
packagesrcdir=`cd $srcdir && pwd`
AC_DEFINE_UNQUOTED(PACKAGE_SOURCE_DIR, "${packagesrcdir}")

dnl Use -Wall if we have gcc.
changequote(,)dnl
if test "x$GCC" = "xyes"; then
  case " $CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac
fi
changequote([,])dnl

# Check for user-specified random device, otherwise check /dev/urandom
AC_ARG_WITH(random,
	[  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
	[
		RANDOM_POOL="$withval";
		AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
	],
	[
		# Check for random device
		AC_CHECK_FILE("/dev/urandom",
			[
				RANDOM_POOL="/dev/urandom"; 
				AC_SUBST(RANDOM_POOL)
				AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
			]
		)
	]
)

# Check for EGD pool file
AC_ARG_WITH(egd-pool,
	[  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
	[
		RANDOM_POOL="$withval";
		AC_DEFINE(HAVE_EGD)
		AC_SUBST(RANDOM_POOL)
		AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
	]
)

# Make sure we have some random number support
if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
	AC_MSG_ERROR([No random device found, and no EGD random pool specified])
fi

AC_OUTPUT([
Makefile
src/Makefile
])