# mbwm package version number, (as distinct from shared library version)
# An odd minor number indicates in-progress development, (eg. from Git)
# An even minor number indicates a released version.
m4_define([mbwm_major_version], [1])
m4_define([mbwm_minor_version], [9999])
m4_define([mbwm_micro_version], [0])

m4_define([mbwm_version],
          [mbwm_major_version.mbwm_minor_version.mbwm_micro_version])

# Change this only when breaking the API
m4_define([mbwm_api_version], [2.0])

AC_PREREQ(2.63)
AC_INIT([matchbox], mbwm_version, [mallum@handhelds.org])
AC_CONFIG_SRCDIR([matchbox/mb-wm-manager.c])

AM_INIT_AUTOMAKE(1.11 foreign dist-bzip2)
AM_SILENT_RULES([yes])

MBWM_VERSION=mbwm_version
AC_SUBST(MBWM_VERSION)

MBWM_API_VERSION=mbwm_api_version
AC_SUBST(MBWM_API_VERSION)

clutter_package="clutter-1.0 >= 1.5.6"

AC_PROG_CC

LT_PREREQ([2.2.6])
LT_INIT([disable-static])

AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.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 glib-2.0"

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_ENABLE(compositing,
  [  --enable-compositing    Enable support for compositing],
  [compositing=$enableval], [compositing=no])

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

dnl due to an autoconf bug, commas in the first arg to
dnl AC_HELP_STRING cause problems.
dnl AC_HELP_STRING([--with-managers=MANAGER1 MANAGER2 ...],
dnl                [build the specified composite managers])
AC_ARG_ENABLE(managers,
[  --enable-managers=MANAGER1,MANAGER2,...
                          Build the specified managers. Available managers are:
                             * simple
                             * maemo
                             * xrender
                             * clutter],
    [managers=$enableval], [managers=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$png_theme" = "xyes"; then
  needed_pkgs="$needed_pkgs libpng12 "
fi

if test "x$compositing" != xno; then
  needed_pkgs="$needed_pkgs xcomposite xdamage xrender"
fi

all_managers="simple,maemo,xrender,clutter"

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

MANAGER_DEFINE=

IFS="${IFS= 	}"; save_ifs="$IFS"; IFS=","
for manager in $included_managers; do
 if ! echo "$all_managers" | egrep -q "(^|,)$manager(\$|,)"; then
   AC_MSG_ERROR([the specified manager $manager does not exist])
 fi
 case $manager in
      simple )
        ;;
      maemo )
        ;;
      clutter )
        needed_pkgs="$needed_pkgs $clutter_package xcomposite xdamage "
        ;;
 esac

 MANAGER_DEFINE="$MANAGER_DEFINE -DMANAGER_`echo $manager|tr 'a-z' 'A-Z'`"
 eval MANAGER_$manager=yes
done
IFS="$save_ifs"

AC_SUBST(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_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)

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

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

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

AM_CONDITIONAL(ENABLE_SIMPLE_MANAGER, [test x"$MANAGER_simple" = xyes])
if test x"$MANAGER_simple" = xyes; then
  ENABLE_SIMPLE_MANAGER=1
  MANAGERS="$MANAGERS simple"
fi
AC_SUBST(ENABLE_SIMPLE_MANAGER)

AM_CONDITIONAL(ENABLE_MAEMO_MANAGER, [test x"$MANAGER_maemo" = xyes])
if test x"$MANAGER_maemo" = xyes; then
  ENABLE_MAEMO_MANAGER=1
  MANAGERS="$MANAGERS maemo"
fi
AC_SUBST(ENABLE_MAEMO_MANAGER)

AM_CONDITIONAL(ENABLE_XRENDER_MANAGER, [test x"$MANAGER_xrender" = xyes])
if test x"$MANAGER_xrender" = xyes; then
  ENABLE_XRENDER_MANAGER=1
  MANAGERS="$MANAGERS xrender"
fi
AC_SUBST(ENABLE_XRENDER_MANAGER)

AM_CONDITIONAL(ENABLE_CLUTTER_MANAGER, [test x"$MANAGER_clutter" = xyes])
if test x"$MANAGER_clutter" = xyes; then
  ENABLE_CLUTTER_MANAGER=1
  MANAGERS="$MANAGERS clutter"

  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_MANAGER)

AC_SUBST(MANAGERS)

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

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

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

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

AC_CHECK_HEADERS([expat.h],
                 [],
                 [AC_MSG_ERROR([Unable to locate required expat header])])

AC_CHECK_LIB(expat, [XML_ParserCreate],
             [MBWM_LIBS="$MBWM_LIBS -lexpat"],
             [AC_MSG_ERROR([Required expat library not found])])

MBWM_INCS='-I$(top_srcdir) -I$(top_srcdir)/matchbox -I$(top_builddir)'
MBWM_CFLAGS="$MBWM_CFLAGS $MBWM_DEBUG_CFLAGS $XFIXES_CFLAGS $XEXT_CFLAGS $XCURSOR_CFLAGS $MANAGER_DEFINE"
MBWM_LIBS="$MBWM_LIBS $XFIXES_LIBS $XEXT_LIBS $XCURSOR_LIBS $MBWM_EXTRA_LIBS"

AC_SUBST([MBWM_CFLAGS])
AC_SUBST([MBWM_LIBS])
AC_SUBST([MBWM_INCS])
AC_SUBST([MBWM_DEBUG_CFLAGS])
AC_SUBST([MBWM_DEBUG_LDFLAGS])

AC_OUTPUT([
Makefile
matchbox-$MBWM_API_VERSION.pc:matchbox.pc.in
matchbox/Makefile
matchbox/mb-wm-config.h
managers/Makefile
managers/simple/Makefile
managers/maemo/Makefile
managers/maemo/theme/Makefile
managers/clutter/Makefile
managers/xrender/Makefile
data/Makefile
data/themes/Makefile
data/themes/Default/Makefile
data/themes/PngSample/Makefile
doc/Makefile
doc/reference/Makefile
doc/reference/matchbox/Makefile
doc/reference/matchbox/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}
	Pango integration     :   ${use_pango}

    Managers:
	Simple manager        :	  ${MANAGER_simple}
	Maemo manager         :	  ${MANAGER_maemo}
	Clutter manager       :	  ${MANAGER_clutter}

    Miscel:
	Compositing support   :   ${compositing}
	Build matchbox-remote :   ${matchbox_remote}
	Debugging output      :   ${want_debug}
"