# Process this file with autoconf to produce a configure script.
AC_INIT(ircfs, 2-pre-alpha-m3-pre2, zaf@nrc.co.nz)
AM_INIT_AUTOMAKE(ircfs, 2-pre-alpha-m3-pre2)
AC_CONFIG_SRCDIR(src/runtime.c)

AM_CONFIG_HEADER(src/config.h)
AC_CONFIG_AUX_DIR(config)

AC_ARG_ENABLE(debug,
	AC_HELP_STRING([--enable-debug],[Enable some extra debugging functions]),
	[
	AC_DEFINE(ENABLE_DEBUG,[],[Enable some extra debugging stuff])
	my_debug_enabled=yes
	],[
	my_debug_enabled=no
])


# Checks for programs.
CFLAGS="-Wall -g"
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_CHECK_PROG(M4, [m4], [m4])
# Checks for libraries.
AC_CHECK_LIB(readline,readline)

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h unistd.h sys/resource.h sys/utsname.h])
AC_HEADER_TIME

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T


# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_MEMCMP
AC_FUNC_SELECT_ARGTYPES
AC_FUNC_STAT 
AC_FUNC_MALLOC
AC_FUNC_SELECT_ARGTYPES

AC_CHECK_FUNCS([gettimeofday select socket strcasecmp inet_aton strcpy memcpy sigaction],
	,[AC_MSG_ERROR([do not have a required function. Please email author with details of your system and the name of the missing function])])
AC_CHECK_FUNCS([strsignal getrlimit setrlimit uname getrusage])
AC_CHECK_FUNCS([backtrace],[
	LDFLAGS="$LDFLAGS -rdynamic"
	])

if test "$my_debug_enabled" = yes; then
	AC_MSG_NOTICE([Debugging is enabled]);
fi

saveprefix=$prefix
test "x$prefix" = xNONE && prefix=$ac_default_prefix
eval sysconftmp=$sysconfdir
AC_DEFINE_UNQUOTED([SYSCONFDIR],"$sysconftmp",[The system config dir])
prefix=$saveprefix

AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile src/appconf/Makefile \
	doc/website/Makefile])
AC_OUTPUT