# mbwm2 package version number, (as distinct from shared library version)
# An odd minor number indicates in-progress development, (eg. from svn)
# An even minor number indicates a released version.
m4_define([mbwm2_major_version], [0])
m4_define([mbwm2_minor_version], [1])
m4_define([mbwm2_micro_version], [0])

m4_define([mbwm2_version],
          [mbwm2_major_version.mbwm2_minor_version.mbwm2_micro_version])

m4_define([mbwm2_api_version],
          [mbwm2_major_version.mbwm2_minor_version])

AC_PREREQ(2.59)
AC_INIT([matchbox-window-manager-2], mbwm2_version, [mallum@handhelds.org])
AC_CONFIG_SRCDIR([matchbox2/core/mb-window-manager.c])

AM_INIT_AUTOMAKE()
AM_SILENT_RULES([yes])

MBWM2_VERSION=mbwm2_version
AC_SUBST(MBWM2_VERSION)

MBWM2_API_VERSION=mbwm2_api_version
AC_SUBST(MBWM2_API_VERSION)

MBWM2_INCDIR=matchbox-wm-2/$MBWM2_API_VERSION/matchbox
AC_SUBST(MBWM2_INCDIR)

MBWM2_PKGINCDIR=matchbox-wm-2/$MBWM2_API_VERSION/
AC_SUBST(MBWM2_PKGINCDIR)

clutter_package="clutter-1.0 >= 1.5.6"

AC_PROG_CC
AM_PROG_LIBTOOL

AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h expat.h])
AC_C_CONST
AC_CHECK_FUNCS([memset strdup strncasecmp])

GTK_DOC_CHECK([1.13], [--flavour no-tmpl])

# we don't want to build the documentation from a Git clone unless we
# explicitly tell configure to do so; this allows avoiding to recurse into
# the documentation directory when building Matchbox2 inside Poky for a
# target device that doesn't have gtk-doc installed. for reference
# see: http://bugzilla.openedhand.com/show_bug.cgi?id=1047
#
# we use autogen.sh as it exists only inside the Git clones, and it
# is not packaged into tarballs.
AM_CONDITIONAL([BUILD_GTK_DOC], [test "x$enable_gtk_doc" = "xyes" || test ! -f "autogen.sh"])

needed_pkgs="x11 "

AC_ARG_ENABLE(debug,
  [  --enable-debug          Enable verbose debugging output],
  [want_debug=$enableval], [want_debug=no])

AC_ARG_ENABLE(png-theme,
  [  --enable-png-theme      Enable PNG-based theme],
  [png_theme=$enableval], [png_theme=no])

AC_ARG_WITH(pango,
  [  --with-pango            Use of pango for text layout],
  [use_pango=$withval], [use_pango=no])

AC_ARG_WITH(gtk,
  [  --with-gtk              With GTK integration support],
  [use_gtk=$withval], [use_gtk=no])

dnl due to an autoconf bug, commas in the first arg to
dnl AC_HELP_STRING cause problems.
dnl AC_HELP_STRING([--with-composite-managers=MANAGER1 MANAGER2 ...],
dnl                [build the specified composite managers])
AC_ARG_ENABLE(composite_managers,
[  --enable-composite-managers=MANAGER1,MANAGER2,...
                          Build the specified composite managers. Available managers are:
                             * framework-only
                             * xrender
                             * clutter],
    [composite_managers=$enableval], [composite_managers=no])

AC_ARG_ENABLE(glib-main-loop,
  [  --enable-glib-main-loop    Enable use of glib main loop],
  [gmloop=$enableval], [gmloop=no])

AC_ARG_ENABLE(matchbox-remote,
  [  --enable-matchbox-remote   Enable matchbox remote control utility],
  [matchbox_remote=$enableval], [matchbox_remote=no])


if test "x$use_pango" = "xyes"; then
  needed_pkgs="$needed_pkgs pangoxft "
fi

if ! test "x$use_pango" = "xyes" -o "x$use_pango" = "xyes"; then
  needed_pkgs="$needed_pkgs xft "
fi

if test "x$use_gtk" = "xyes"; then
  needed_pkgs="$needed_pkgs gtk+-2.0 "
fi

if test "x$png_theme" = "xyes"; then
  needed_pkgs="$needed_pkgs libpng12 "
fi

if test "x$composite_managers" != xno -a \
        "x$composite_managers" != "xframework-only"; then
  needed_pkgs="$needed_pkgs xcomposite xdamage "
fi

all_composite_managers="xrender,clutter"

included_composite_managers=""
# If no composite managers specified, include all
if test "x$composite_managers" = xyes ; then
  included_composite_managers="$all_composite_managers"
else
  if test "x$composite_managers" != xno ; then
    included_composite_managers="$composite_managers"
  fi
fi

comp_mgr="no"
if test "x$composite_managers" != xno ; then
  comp_mgr="yes ($included_composite_managers)"
fi

AC_MSG_RESULT($included_composite_managers)

COMPOSITE_MANAGER_DEFINE=

IFS="${IFS= 	}"; save_ifs="$IFS"; IFS=","
for composite_manager in $included_composite_managers; do
 if echo "framework-only,$all_composite_managers" | egrep "(^|,)$composite_manager(\$|,)" > /dev/null; then
   :
 else
   AC_MSG_ERROR([the specified composite_manager $composite_manager does not exist])
 fi
 case $composite_manager in
      xrender )
        needed_pkgs="$needed_pkgs xcomposite xdamage "
	MBWM_EXTRA_LIBS="$MBWM_EXTRA_LIBS -lm"
        ;;
      clutter )
        needed_pkgs="$needed_pkgs $clutter_package xcomposite xdamage "
        gmloop="yes"
        ;;
 esac

 COMPOSITE_MANAGER_DEFINE="$COMPOSITE_MANAGER_DEFINE \
                           -DCOMPOSITE_MANAGER_`echo $composite_manager|tr 'a-z' 'A-Z'`"
 eval COMPOSITE_MANAGER_$composite_manager=yes
done
IFS="$save_ifs"

AC_SUBST(COMPOSITE_MANAGER_DEFINE)


MBWM_WANT_DEBUG=0
if test "x$want_debug" = "xyes"; then
  MBWM_WANT_DEBUG=1
  MBWM_DEBUG_CFLAGS="-O0 $MBWM_DEBUG_CFLAGS"
  MBWM_DEBUG_LDFLAGS="$MBWM_DEBUG_LDFLAGS -rdynamic"
fi
AC_SUBST(MBWM_WANT_DEBUG)

USE_GLIB_MAINLOOP=0
if test "x$gmloop" = "xyes"; then
  needed_pkgs="$needed_pkgs glib-2.0 "
  USE_GLIB_MAINLOOP=1
fi
AC_SUBST(USE_GLIB_MAINLOOP)

USE_PANGO=0
if test "$use_pango" = yes; then
  USE_PANGO=1
fi
AC_SUBST(USE_PANGO)

THEME_PNG=0
AM_CONDITIONAL(THEME_PNG, [test "x$png_theme" = "xyes"])
if test "$png_theme" = yes; then
  THEME_PNG=1
fi
AC_SUBST(THEME_PNG)

# only build simple theme if png theme disabled
THEME_SIMPLE=0
AM_CONDITIONAL(THEME_SIMPLE, [test "x$use_png" != "xyes"])
if test "$use_png" != yes; then
  THEME_SIMPLE=1
fi
AC_SUBST(THEME_SIMPLE)

USE_GTK=0
AM_CONDITIONAL(USE_GTK, test "x$use_gtk" = "xyes")
if test "$use_gtk" = yes; then
  USE_GTK=1
fi
AC_SUBST(USE_GTK)

PKG_CHECK_MODULES(MBWM, $needed_pkgs)
MBWM2_PKGREQUIRES="$MBWM2_PKGREQUIRES $needed_pkgs"
AC_SUBST(MBWM2_PKGREQUIRES)

COMP_MGR_BACKEND=0
ENABLE_COMPOSITE=0
AM_CONDITIONAL(ENABLE_COMPOSITE, [test "x$comp_mgr" != "xno"])
if test x"$comp_mgr" != xno; then
   ENABLE_COMPOSITE=1
fi
AC_SUBST(ENABLE_COMPOSITE)

ENABLE_CLUTTER_COMPOSITE_MANAGER=0
AM_CONDITIONAL(ENABLE_CLUTTER_COMPOSITE_MANAGER, [test x"$COMPOSITE_MANAGER_clutter" = xyes])
if test x"$COMPOSITE_MANAGER_clutter" = xyes; then
  ENABLE_CLUTTER_COMPOSITE_MANAGER=1
  COMP_MGR_BACKEND=1

  clutter_backend=$($PKG_CONFIG $clutter_package --variable=backend)
  if test x"$clutter_backend" = xglx; then
    AC_DEFINE(HAVE_CLUTTER_GLX, [1], [Using clutter glx backend])
  elif test x"$clutter_backend" = xeglx; then
    AC_DEFINE(HAVE_CLUTTER_EGLX, [1], [Using clutter eglx backend])
  fi
fi
AC_SUBST(ENABLE_CLUTTER_COMPOSITE_MANAGER)

ENABLE_XRENDER_COMPOSITE_MANAGER=0
AM_CONDITIONAL(ENABLE_XRENDER_COMPOSITE_MANAGER, [test x"$COMPOSITE_MANAGER_xrender" = xyes])
if test x"$COMPOSITE_MANAGER_xrender" = xyes; then
  ENABLE_XRENDER_COMPOSITE_MANAGER=1
  COMP_MGR_BACKEND=1
fi
AC_SUBST(ENABLE_XRENDER_COMPOSITE_MANAGER)

AM_CONDITIONAL(COMP_MGR_BACKEND, [test "x$COMP_MGR_BACKEND" = "x1"])
AC_SUBST(COMP_MGR_BACKEND)

AM_CONDITIONAL(ENABLE_MATCHBOX_REMOTE, [test "x$matchbox_remote" = "xyes"])

AC_ARG_ENABLE(simple-manager,
  [  --disable-simple-manager   Do not build simple window manager],
  [simple_manager=$enableval],
  [
    if test "x$libmatchbox2" = "xyes"; then
        simple_manager=no
    else
        simple_manager=yes
    fi])

AC_ARG_ENABLE(maemo-manager,
  [  --enable-maemo-manager     Build maemo window manager],
  [maemo_manager=$enableval], [maemo_manager=no])

if test $simple_manager = yes; then
   MANAGERS="$MANAGERS simple"
fi

if test $maemo_manager = yes; then
   MANAGERS="$MANAGERS maemo"
fi

AC_SUBST(MANAGERS)

PKG_CHECK_MODULES(XFIXES, xfixes >= 4.0, have_xfixes=yes, have_xfixes=no)

if test x$have_xfixes = xyes; then
  AC_DEFINE(HAVE_XFIXES, [1], [Use XFixes ext to really hide cursor])
  MBWM2_PKGREQUIRES="$MBWM2_PKGREQUIRES xfixes >= 0.4"
fi

PKG_CHECK_MODULES(XEXT, xext, have_xext=yes, have_xext=no)

if test x$have_xext = xyes; then
  AC_DEFINE(HAVE_XEXT, [1], [Use Xext ext])
  MBWM2_PKGREQUIRES="$MBWM2_PKGREQUIRES xext"
fi

PKG_CHECK_MODULES(XCURSOR, xcursor, have_xcursor=yes, have_xcursor=no)

if test x$have_xcursor = xyes; then
  AC_DEFINE(HAVE_XCURSOR, [1], [Use XCursor to sync pointer themes])
fi

MBWM_INCS='-I$(top_srcdir) -I$(top_srcdir)/matchbox2/core -I$(top_srcdir)/matchbox2/client-types -I$(top_srcdir)/matchbox2/theme-engines -I$(top_srcdir)/matchbox2/comp-mgr -I$(top_builddir)'
MBWM_CORE_LIB='$(top_builddir)/matchbox2/core/libmatchbox-window-manager-2-core.la'
MBWM_CLIENT_BUILDDIR='$(top_builddir)/matchbox2/client-types'
MBWM_THEME_BUILDDIR='$(top_builddir)/matchbox2/theme-engines'
MBWM_COMPMGR_BUILDDIR='$(top_builddir)/matchbox2/comp-mgr'
MBWM_CFLAGS="$MBWM_CFLAGS $MBWM_DEBUG_CFLAGS $XFIXES_CFLAGS $XEXT_CFLAGS $XCURSOR_CFLAGS"
MBWM_LIBS="$MBWM_LIBS $XFIXES_LIBS $XEXT_LIBS $XCURSOR_LIBS $MBWM_EXTRA_LIBS"

AC_SUBST([MBWM_CFLAGS])
AC_SUBST([MBWM_LIBS])
AC_SUBST([MBWM_CORE_LIB])
AC_SUBST([MBWM_INCS])
AC_SUBST([MBWM_CLIENT_BUILDDIR])
AC_SUBST([MBWM_THEME_BUILDDIR])
AC_SUBST([MBWM_COMPMGR_BUILDDIR])
AC_SUBST([MBWM_DEBUG_CFLAGS])
AC_SUBST([MBWM_DEBUG_LDFLAGS])

AC_OUTPUT([
Makefile
matchbox2/Makefile
matchbox2/mb-wm-config.h
matchbox2/core/Makefile
matchbox2/client-types/Makefile
matchbox2/comp-mgr/Makefile
matchbox2/theme-engines/Makefile
managers/Makefile
managers/simple/Makefile
managers/maemo/Makefile
managers/maemo/theme/Makefile
data/Makefile
data/themes/Makefile
data/themes/Default/Makefile
data/themes/PngSample/Makefile
data/libmatchbox2.pc
doc/Makefile
doc/reference/Makefile
doc/reference/matchbox2/Makefile
doc/reference/matchbox2/version.xml
util/Makefile
])

echo "
           Matchbox Window Manager II
           ==========================

    Directories:
        source code location:   ${srcdir}
        install prefix        :   ${prefix}

    Documentation:
        Build API Reference   :   ${enable_gtk_doc}

    Extension:
	Xfixes                :   ${have_xfixes}
	Xext                  :   ${have_xext}
	Xcursor               :   ${have_xcursor}

    Themes:
	PNG theme             :   ${png_theme}
	GTK integration       :   ${use_gtk}
	Pango integration     :   ${use_pango}

    Managers:
	Simple manager        :	  ${simple_manager}
	Maemo manager         :	  ${maemo_manager}

	Compositing managers  :   ${comp_mgr}

    Miscel:
        Glib main loop        :   ${gmloop}
	Build matchbox-remote :   ${matchbox_remote}
	Debugging output      :   ${want_debug}
"