#
#  Copyright © 2003 Keith Packard, Noah Levitt
#
#  Permission to use, copy, modify, distribute, and sell this software and its
#  documentation for any purpose is hereby granted without fee, provided that
#  the above copyright notice appear in all copies and that both that
#  copyright notice and this permission notice appear in supporting
#  documentation, and that the name of Keith Packard not be used in
#  advertising or publicity pertaining to distribution of the software without
#  specific, written prior permission.  Keith Packard makes no
#  representations about the suitability of this software for any purpose.  It
#  is provided "as is" without express or implied warranty.
#
#  KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
#  INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
#  EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
#  CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
#  DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
#  TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
#  PERFORMANCE OF THIS SOFTWARE.
#

# Initialize Autoconf
AC_PREREQ([2.60])
AC_INIT([libXdmcp], [1.1.5],
        [https://gitlab.freedesktop.org/xorg/lib/libxdmcp/-/issues], [libXdmcp])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([m4])

# Set common system defines for POSIX extensions, such as _GNU_SOURCE
# Must be called before any macros that run the compiler (like LT_INIT)
# to avoid autoconf errors.
AC_USE_SYSTEM_EXTENSIONS

# Initialize Automake
AM_INIT_AUTOMAKE([foreign dist-xz])

# Initialize libtool
LT_INIT([win32-dll])

# Require xorg-macros minimum of 1.16 for unit testing with memory checks
m4_ifndef([XORG_MACROS_VERSION],
          [m4_fatal([must install xorg-macros 1.16 or later before running autoconf/autogen])])
XORG_MACROS_VERSION(1.16)
XORG_DEFAULT_OPTIONS
XORG_ENABLE_DOCS
XORG_WITH_XMLTO(0.0.22)
XORG_WITH_FOP
XORG_WITH_XSLTPROC
XORG_CHECK_SGML_DOCTOOLS(1.8)

# Checks for programs.
AC_PROG_LN_S

# Checks for header files.
AC_CHECK_HEADERS([sys/random.h])

# Checks for libraries.
AC_SEARCH_LIBS([recvfrom],[socket])

case $host_os in
     *mingw*)
        AC_CHECK_LIB([ws2_32],[main])
        ;;
     *)
        ;;
esac

# Checks for non-standard functions and fallback to libbsd if we can
# We only check for arc4random_buf, because if we have that, we don't
# need/use getentropy.
AC_LINK_IFELSE([AC_LANG_CALL([], [arc4random_buf])],
               [TRY_LIBBSD="no"], [TRY_LIBBSD="yes"])
AS_IF([test "x$TRY_LIBBSD" = "xyes"],
      [PKG_CHECK_MODULES([LIBBSD], [libbsd-overlay], [
	CFLAGS="$CFLAGS $LIBBSD_CFLAGS"
	LIBS="$LIBS $LIBBSD_LIBS"
], [:])])

# Checks for library functions.
AC_CHECK_FUNCS([srand48 lrand48 arc4random_buf getentropy])

# Obtain compiler/linker options for dependencies
PKG_CHECK_MODULES(XDMCP, xproto)

if test -f ${srcdir}/Wraphelp.c; then
	AC_DEFINE(HASXDMAUTH,1,[Has Wraphelp.c needed for XDM AUTH protocols])
	HASXDMAUTH=yes
else
	HASXDMAUTH=no
fi

AM_CONDITIONAL(HASXDMAUTH,test x$HASXDMAUTH = xyes)

# Allow checking code with lint, sparse, etc.
XORG_WITH_LINT
XORG_LINT_LIBRARY([Xdmcp])

#  --enable-unit-tests
XORG_ENABLE_UNIT_TESTS([yes])

AC_CONFIG_FILES([Makefile
		doc/Makefile
		test/Makefile
		xdmcp.pc])
AC_OUTPUT