AC_PREREQ(2.50)
AC_INIT(src/display.c)

AM_CONFIG_HEADER(config.h)

# 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987 
AM_INIT_AUTOMAKE(metacity, 2.4.3)

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"

GETTEXT_PACKAGE=metacity
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE")

AM_MAINTAINER_MODE

AC_PROG_INTLTOOL([0.21])
AC_PROG_CC
AC_ISC_POSIX
AC_HEADER_STDC
AC_ARG_PROGRAM
AM_PROG_LIBTOOL

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

#  case " $CFLAGS " in
#  *[\ \	]-Wshadow[\ \	]*) ;;
#  *) CFLAGS="$CFLAGS -Wshadow" ;;
#  esac

  case " $CFLAGS " in
  *[\ \	]-Wchar-subscripts[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wchar-subscripts" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-declarations[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-declarations" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-prototypes[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wnested-externs[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wnested-externs" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wpointer-arith[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wpointer-arith" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wcast-align[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wcast-align" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wsign-compare[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wsign-compare" ;;
  esac

  if test "x$enable_ansi" = "xyes"; then
    case " $CFLAGS " in
    *[\ \	]-ansi[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ansi" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-pedantic[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
  fi
fi
changequote([,])dnl


## try definining HAVE_BACKTRACE
AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])


ALL_LINGUAS="az ca cs da de el es fr gl hu it ja ko lv ms no pl pt pt_BR ro ru sk sv tr uk vi zh_CN zh_TW"
AM_GLIB_GNU_GETTEXT

## here we get the flags we'll actually use
PKG_CHECK_MODULES(METACITY_MESSAGE, gtk+-2.0 >= 2.0.0)
PKG_CHECK_MODULES(METACITY_WINDOW_DEMO, gtk+-2.0 >= 2.0.0)
PKG_CHECK_MODULES(METACITY_PROPS, gtk+-2.0 >= 2.0.0 gconf-2.0 >= 1.1.9 libglade-2.0)

STARTUP_NOTIFICATION_VERSION=0.2
if $PKG_CONFIG --atleast-version $STARTUP_NOTIFICATION_VERSION libstartup-notification-1.0; then
  echo "Building with libstartup-notification"
  PKG_CHECK_MODULES(METACITY, gtk+-2.0 >= 2.0.0 gconf-2.0 >= 1.1.9 libstartup-notification-1.0 >= $STARTUP_NOTIFICATION_VERSION)
  AC_DEFINE(HAVE_STARTUP_NOTIFICATION)
  with_startup_notification=yes
else
  echo "Building without libstartup-notification"
  PKG_CHECK_MODULES(METACITY, gtk+-2.0 >= 2.0.0 gconf-2.0 >= 1.1.9)
  with_startup_notification=no
fi

if $PKG_CONFIG --atleast-version 2.1.0 gtk+-2.0; then
   AC_DEFINE(HAVE_GTK_MULTIHEAD,,[gtk+ with multihead support found])
   with_multihead=yes
else
   with_multihead=no
fi

AC_PATH_XTRA

ALL_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"

# Check for Xinerama extension (Solaris impl or Xfree impl)
metacity_save_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"

use_solaris_xinerama=no
use_xfree_xinerama=no
case "$host" in
    *-*-solaris*)
        # Check for solaris
        use_solaris_xinerama=yes
        AC_CHECK_LIB(Xext, XineramaGetInfo,
        	     use_solaris_xinerama=yes, use_solaris_xinerama=no,
                     $ALL_X_LIBS)
        if test "x$use_solaris_xinerama" = "xyes"; then
            AC_CHECK_HEADER(X11/extensions/xinerama.h,
                      	    if test -z "`echo $ALL_X_LIBS | grep "\-lXext" 2> /dev/null`"; then
                                X_EXTRA_LIBS="-lXext $X_EXTRA_LIBS"
        	            fi
                            AC_DEFINE(HAVE_SOLARIS_XINERAMA)
          	            AC_DEFINE(HAVE_XINERAMA),
                            use_solaris_xinerama=no,
                            [#include <X11/Xlib.h>])
        fi	
        AC_MSG_CHECKING(for Xinerama support on Solaris)
        AC_MSG_RESULT($use_solaris_xinerama);
        ;;
    *)
        # Check for XFree
        use_xfree_xinerama=yes
        AC_CHECK_LIB(Xinerama, XineramaQueryExtension,
            [AC_CHECK_HEADER(X11/extensions/Xinerama.h,
       	                     X_EXTRA_LIBS="-lXinerama $X_EXTRA_LIBS"   
      	                     if test -z "`echo $ALL_X_LIBS | grep "\-lXext" 2> /dev/null`"; then
             	                 X_EXTRA_LIBS="-lXext $X_EXTRA_LIBS"
      	                     fi
        	             AC_DEFINE(HAVE_XFREE_XINERAMA)
      	                     AC_DEFINE(HAVE_XINERAMA), 
      	                     use_xfree_xinerama=no,
                             [#include <X11/Xlib.h>])],
            use_xfree_xinerama=no, -lXext $ALL_X_LIBS)
        AC_MSG_CHECKING(for Xinerama support on XFree86)
        AC_MSG_RESULT($use_xfree_xinerama);
        ;;
esac

CPPFLAGS="$metacity_save_cppflags"

SHAPE_LIBS=
found_shape=no
AC_CHECK_LIB(Xext, XShapeQueryExtension,
               [AC_CHECK_HEADER(X11/extensions/shape.h,
                                SHAPE_LIBS=-lXext found_shape=yes)],
               , $ALL_X_LIBS)

if test "x$found_shape" = "xyes"; then
   AC_DEFINE(HAVE_SHAPE)
fi

RANDR_LIBS=
found_randr=no
AC_CHECK_LIB(Xrandr, XRRUpdateConfiguration,
               [AC_CHECK_HEADER(X11/extensions/Xrandr.h,
                                RANDR_LIBS=-lXrandr found_randr=yes,,
				[#include <X11/Xlib.h>])],
               , -lXrender $ALL_X_LIBS)

if test "x$found_randr" = "xyes"; then
   AC_DEFINE(HAVE_RANDR)
fi

METACITY_LIBS="$RANDR_LIBS $SHAPE_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_LIBS"
METACITY_MESSAGE_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_MESSAGE_LIBS"
METACITY_WINDOW_DEMO_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_WINDOW_DEMO_LIBS"
METACITY_PROPS_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_PROPS_LIBS"

found_sm=no
case "$METACITY_LIBS" in
 *-lSM*)
    found_sm=yes
    ;;
 *)
  AC_CHECK_LIB(SM, SmcSaveYourselfDone, 
               [AC_CHECK_HEADERS(X11/SM/SMlib.h,
                                METACITY_LIBS="-lSM -lICE $METACITY_LIBS" found_sm=no)],
               , $METACITY_LIBS)
    ;;
esac

if test "$found_sm" = "yes"; then
   AC_DEFINE(HAVE_SM)
fi

AM_CONDITIONAL(HAVE_SM, test "$found_sm" = "yes") 

HOST_ALIAS=$host_alias
AC_SUBST(HOST_ALIAS)

AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource, no)

if test x"$GDK_PIXBUF_CSOURCE" = xno; then
  AC_MSG_ERROR([gdk-pixbuf-csource executable not found in your path - should be installed with GTK])
fi

AC_SUBST(GDK_PIXBUF_CSOURCE)

## hack to work with old GTK versions for now 
save_LDFLAGS=$LDFLAGS
LDFLAGS="$METACITY_LIBS $LDFLAGS"
AC_CHECK_FUNCS(gdk_pixbuf_new_from_stream)
LDFLAGS=$save_LDFLAGS

AC_PATH_PROG(GCONFTOOL, gconftool-2, no)

if test x"$GCONFTOOL" = xno; then
  AC_MSG_ERROR([gconftool-2 executable not found in your path - should be installed with GConf])
fi

AM_GCONF_SOURCE_2

AC_OUTPUT([
Makefile
src/Makefile
src/wm-tester/Makefile
src/tools/Makefile
src/themes/Makefile
po/Makefile.in
metacity.spec
])

dnl ==========================================================================
echo "
metacity-$VERSION:

	prefix:                 ${prefix}
	source code location:	${srcdir}
	compiler:		${CC}

	XFree86 Xinerama:       ${use_xfree_xinerama}
	Solaris Xinerama:       ${use_solaris_xinerama}
	Multihead:              ${with_multihead}
	Startup notification:   ${with_startup_notification}
	Session management:     ${found_sm}
	Shape extension:        ${found_shape}
	Resize-and-rotate:      ${found_randr}

"