source: orxonox.OLD/trunk/configure.ac @ 10608

##########################################################################
#   orxonox - the future of 3D-vertical-scrollers                        #
#                                                                        #
#   Copyright (C) 2004 orx                                               #
#                                                                        #
#   This program is free software; you can redistribute it and/or modify #
#   it under the terms of the GNU General Public License as published by #
#   the Free Software Foundation; either version 2, or (at your option)  #
#   any later version.                                                   #
#                                                                        #
#   ### File Specific:                                                   #
#   main-programmer: Benjamin Grauer                                     #
#   co-programmer: ...                                                   #
#                                                                        #
#   This is the main configuration File of autoconf.                     #
#   Please edit this file only, if you exactly know what you are doing.  #
#   It is quite fragile, and compiling orxonox on different Platforms    #
#   is only guarantied, if build with the right config.                  #
#                                                                        #
#   You might also have a look at the acinclude.m4, where many macros    #
#   for this configuration files are stored                              #
#                                                                        #
#   be sure to visit us at http://www.orxonox.net                        #
##########################################################################

#########################
## AUTOCONF INIT PHASE ##
#########################
AC_PREREQ(2.56)
AC_INIT([orxonox], [0.3.6_alpha], [orxonox at orxonox dot net])

## Detect the canonical host and target build environment.
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE

AC_CONFIG_SRCDIR([src/orxonox.cc])
AC_CONFIG_HEADER([config.h])

#########################
## Checks for programs ##
#########################
AC_PROG_CXX
AC_PROG_RANLIB
AC_HEADER_STDC

## THIS IS OUR DEFAULT-DATA-DIRECTORY

##################################
## CHECKING  OPTIONAL ARGUMENTS ##
##################################
#----------------#
# Data-Directory #
#----------------#
DATA_DIR=$datadir
if test $DATA_DIR = \$\{prefix\}/share ; then
        echo "not given"
        DATA_DIR=/usr/share
else
        echo "given: $DATA_DIR"
fi
AC_DEFINE_UNQUOTED([ORX_DATADIR], ["$DATA_DIR"],
                   [Define to the read-only architecture-independent
                    data directory of ORXONOX.])

#-----------------#
# shared-lib-path #
#-----------------#
SHARED_LIB_PATH=no
AC_MSG_CHECKING([shared lib path])
AC_ARG_WITH([shared-lib-path],
        AC_HELP_STRING(--with-shared-lib-path,Tells the executable, where to look for the shared libraries.),
         SHARED_LIB_PATH=$withval)
if test x$SHARED_LIB_PATH != xno; then
        echo "set to $SHARED_LIB_PATH"
else
        echo "no"
fi


#-----------------#
# DEBUG-statement #
#-----------------#
DEBUG_LEVEL=no
AC_MSG_CHECKING([if DEBUG-mode should be enabled])
AC_ARG_ENABLE([debug],
        AC_HELP_STRING(--enable-debug,compiles in debug mode. Lots of debug info about the game.),
         DEBUG_LEVEL=$enableval)

if test x$DEBUG_LEVEL = xno; then
        echo "no"
        echo " -> Setting debuglevel to 4. (orxonox is still in Development. It really is needed."
        DEBUG_LEVEL=4
elif test x$DEBUG_LEVEL = xyes; then
        echo "yes"
        echo " -> Setting debuglevel to 4. HARD DEBUG MODE!!."
        DEBUG_LEVEL=4
else
  if test x$DEBUG_LEVEL = x0 || test x$DEBUG_LEVEL = x1 || test x$DEBUG_LEVEL = x2 || test x$DEBUG_LEVEL = x3 || test x$DEBUG_LEVEL = x4 || test x$DEBUG_LEVEL = x5 ; then
        echo "yes: setting debuglevel to to $DEBUG_LEVEL"
  else
        echo "yes: invalid Value for Debug ($DEBUG_LEVEL). setting to 4(DEBUG)"
        DEBUG_LEVEL=4
  fi
fi

if test ${DEBUG_LEVEL} -gt 3 ; then
  CPPFLAGS="${CPPFLAGS} -g -Wall"
fi
AC_DEFINE_UNQUOTED(DEBUG_LEVEL, ${DEBUG_LEVEL}, [in which debug mode we are])
AC_SUBST(DEBUG_LEVEL)

#---------------#
# Modular Debug #
#---------------#
MODULAR_DEBUG=yes
AC_MSG_CHECKING([if Modular-DEBUG-mode should be ebabled])
AC_ARG_ENABLE([modular-debug],
        AC_HELP_STRING(--disable-modular-debug,compiles in modular-debug mode, that logs differently on the many modules of orxonox.),
         MODULAR_DEBUG=$enableval)

if test x$MODULAR_DEBUG = xno; then
        echo "no"
elif test x$MODULAR_DEBUG = xyes; then
        echo "yes"
        AC_DEFINE_UNQUOTED(MODULAR_DEBUG, 1, [if Modular-DUBUG mode is enabled])
fi


#------------------#
# libCurl-disabled #
#------------------#
AC_MSG_CHECKING([if libcURL should be enabled])
AC_ARG_ENABLE([curl],
        AC_HELP_STRING(--disable-curl,Prevents libcURL from being loaded), [def_curl=no], [def_curl=yes])
if test x$def_curl = xyes; then
  echo "yes"
fi
if test x$def_curl = xno; then
  echo "no"
fi


#-------------------#
# SubProject-enable #
#-------------------#
def_sub_projects=no
AC_MSG_CHECKING([if the SubProjects should be built])
AC_ARG_WITH([sub-projects],
        AC_HELP_STRING(--with-sub-projects,also builds the subProjects while make from srcdir), [def_sub_projects=yes])
if test x$def_sub_projects = xyes; then
  echo "yes"
fi
if test x$def_sub_projects = xno; then
  echo "no"
fi
AM_CONDITIONAL(SUB_PROJECTS, test x$def_sub_projects = xyes)

#-------------------#
# Profiling Enabled #
#-------------------#
def_profiling=no
AC_MSG_CHECKING([if Profiling should be enabled])
AC_ARG_ENABLE([profile],
        AC_HELP_STRING(--enable-profile,builds orxonox with profiling support), [def_profiling=yes])
if test x$def_profiling = xyes; then
  echo "yes"
  CXXFLAGS="$CXXFLAGS -pg"
fi
if test x$def_profiling = xno; then
  echo "no"
fi

#----------------#
# efence Enabled #
#----------------#
def_efence=no
AC_MSG_CHECKING([if efence should be enabled])
AC_ARG_ENABLE([efence],
        AC_HELP_STRING(--enable-efence,builds orxonox with efence support), [def_efence=yes])
if test x$def_efence = xyes; then
  echo "yes"
fi
if test x$def_efence = xno; then
  echo "no"
fi

#----------------------#
# Documentation-enable #
#----------------------#
def_documentation=no
AC_MSG_CHECKING([if the Documentation should be build by default])
AC_ARG_ENABLE([documentation],
        AC_HELP_STRING(--enable-documentation,also builds the sDocumentation while make from srcdir), [def_documentation=yes])
if test x$def_documentation = xyes; then
  echo "yes"
fi
if test x$def_documentation = xno; then
  echo "no"
fi
AM_CONDITIONAL(DOCUMENTATION, test x$def_documentation = xyes)

#---------------------------#
# WITH TARDIS (convenience) #
#---------------------------#
def_tardis=no
AC_MSG_CHECKING([convenience flag for working at the taris in the ETH zurich])
AC_ARG_WITH([tardis],
        AC_HELP_STRING(--with-tardis,sets all the necesary environment flags for linux-TARDIS boxes at the ETH Zurich), [def_tardis=yes])
if test x$def_tardis = xyes; then
  ARCH=i686-debian-linux3.1
   ## GAMELIBS
  PREFIX=/usr/pack/gamelibs-1.0-to
  CPPFLAGS="${CPPFLAGS} -I${PREFIX}/include"
  LDFLAGS="${LDFLAGS} -L$PREFIX/${ARCH}/lib -Wl,-rpath -Wl,${PREFIX}/${ARCH}/lib"

## QT on Tardis
  QT_PREFIX=/usr/pack/qt-4.1.1-mo/${ARCH}
#  CPPFLAGS="${CPPFLAGS} -I${PREFIX_QT}/include"
#  LDFLAGS="${LDFLAGS} -L${QT_PREFIX}/lib -Wl,-rpath -Wl,${QT_PREFIX}/${ARCH}/lib"

fi
if test x$def_tardis = xno; then
  echo "no"
fi



#######################
## PROGRAMM CHECKING ##
## 3. party Programs ##
#######################

#----------------------#
# checking for Doxygen #
#----------------------#
AC_PATH_PROG(DOXYGEN, doxygen)
AM_CONDITIONAL(DOXYGEN, test $DOXYGEN)

#--------------------#
# checking for gprof #
#--------------------#
AC_PATH_PROG(GPROF, gprof)


#########################
## CHECKING FOR SYSTEM ##
#########################
## here the system is checked, and openGL is included
## also checking for SDL on differen Systems

AC_MSG_CHECKING([for System])
## checking for openGL-environment and other sys-specific parameters
case "$target" in


#########
#-------#
# LINUX #
#-------#
#########
 *-*-linux*)
echo "Linux detected"

 Linux="yes"

##CPPFLAGS="-I/usr/include $CPPFLAGS"
##LDFLAGS="-L/usr/lib $LDFLAGS"
if test x$SHARED_LIB_PATH != xno; then
        echo "setting new LDFLAGS with $SHARED_LIB_PATH"
        LDFLAGS="-Wl,-rpath,$SHARED_LIB_PATH -L$SHARED_LIB_PATH $LDFLAGS"
fi

#--------#
# openGL #
#--------#
AX_CHECK_REQUIRED_HEADER_LIB([GL/gl.h], [GL], [main],,, [http://www.opengl.org])
AX_CHECK_REQUIRED_HEADER_LIB([GL/glu.h], [GLU], [main],,, [http://www.opengl.org])
AX_CHECK_REQUIRED_HEADER_LIB([GL/glew.h], [GLEW], [main],,, [http://glew.sourceforge.net])

#--------#
# openAL #
#--------#
AX_CHECK_REQUIRED_HEADER_LIB([AL/al.h], [openal], [main],,, [http://www.openal.org])

#-----#
# SDL #
#-----#
# checking for SDL
  AC_MSG_CHECKING([for SDL-version])
  SDL_VERSION=`sdl-config --version`
  echo $SDL_VERSION
   

  AX_CHECK_REQUIRED_HEADER_LIB([SDL.h SDL/SDL.h], [SDL], [main],, [
     CPPFLAGS="${CPPFLAGS} `sdl-config --cflags`"
     LDFLAGS="${LDFLAGS} `sdl-config --libs`"], [http://www.libsdl.org])
     

    ;;

###########
#---------#
# WINDOWS #
#---------#
###########
  *-*-mingw32*)
echo "mingw-WINDOWS detected"

CPPFLAGS="-I/usr/include -I/mingw/include ${CPPFLAGS}"
LDFLAGS="${LDFLAGS} -L/mingw/lib"
    mingw="yes"
    MSBITFIELDS="-mms-bitfields"
    MWINDOWS="-mwindows"

#--------#
# MIN-GW #
#--------#
# checking for mingw32
    AC_CHECK_LIB([mingw32], [main], FOUND_mingw32=yes)
    if test x$FOUND_mingw32 = xyes; then
        LIBS="$LIBS -lmingw32"
    fi

    AC_CHECK_LIB([winmm], [main], [FOUND_winmm=yes])
    if test x${FOUND_winmm} = xyes ; then
        LIBS="$LIBS -lwinmm"
    fi

#---------------#
# open-GL (win) #
#---------------#
# checking gl header
   AC_CHECK_HEADERS(GL/gl.h ,,
      [AC_MSG_ERROR([cannot find opengl headers])])
#   checking for Windows openGl library
    AC_CHECK_LIB([opengl32], [main], [FOUND_GL=yes; LIBS="$LIBS -lopengl32"])
    if test x$FOUND_GL != xyes ; then
         echo "------------------"
         echo "opengl not found."
         echo "please install the opengl package which can be found at http://www.opengl.org"
         echo "------------------"
         exit -1
    fi

# cheking for GLU-header
    AC_CHECK_HEADERS([GL/glu.h] ,,
      [AC_MSG_ERROR([cannot find opengl headers]) ])

# checking for libGLU
    AC_CHECK_LIB([glu32], [main], [FOUND_GLU=yes; LIBS="$LIBS -lGLU32"])
    if test x$FOUND_GLU != xyes ; then
         echo "------------------"
         echo "GLU library not found."
         echo "please install the GLU library, that should come with openGL, which can be found at http://www.opengl.org"
         echo "------------------"
         exit -1
    fi

# checking glew header
   AC_CHECK_HEADERS(GL/glew.h ,,
      [AC_MSG_ERROR([cannot find opengl extension wrangler headers]) ])
#   checking for Windows glew library
    AC_CHECK_LIB([glew32], [main], [FOUND_GLEW=yes; LIBS="$LIBS -lglew32"])
    if test x$FOUND_GLEW != xyes ; then
         echo "------------------"
         echo "opengl extension wrangler not found."
         echo "please install the glew package which can be found at http://glew.sourceforge.net"
         echo "------------------"
         exit -1
    fi

#--------#
# openAL #
#--------#
AX_CHECK_REQUIRED_HEADER_LIB([AL/al.h], [OpenAL32], [main],,, [http://www.openal.org])

#-----------#
# SDL(win) #
#-----------#
# checking for SDL-headers
    AC_CHECK_HEADERS([SDL/SDL.h] ,,
      [AC_MSG_ERROR([cannot find SDL headers]) ])

#checking for libSDL
    AC_CHECK_LIB([sdlmain], [main], [FOUND_sdlmain=yes; LIBS="$LIBS -lsdlmain"])
    if test x$FOUND_sdlmain != xyes ; then
        echo "------------------"
        echo "SDL library not found."
        echo "please install the SDL library, which can be found at http://www.libsdl.org"
        echo "------------------"
        exit 1
    fi
    AC_CHECK_LIB([sdl], [main], [FOUND_SDL=yes; LIBS="$LIBS -lsdl"])
    if test x$FOUND_SDL != xyes ; then
        echo "------------------"
        echo "SDL library not found."
        echo "please install the SDL library, which can be found at http://www.libsdl.org"
        echo "------------------"
        exit -1
    fi

  ;;

#############
#-----------#
# MAC -OS X #
#-----------#
#############
 *darwin*)
 echo "OS X detected"
 osX="yes"

 QT_PREFIX="$prefix"
 CPPFLAGS="-I/$prefix/include $CPPFLAGS -F$prefix/lib -I/opt/local"
 LDFLAGS="$LDFLAGS -L$prefix/lib -F$prefix/lib -L/opt/local"
 PCK_CONFIG_PATH='/opt/local'

# checking gl header
   AC_CHECK_HEADERS([OpenGL/gl.h] ,,
      [AC_MSG_ERROR([cannot find opengl headers]) ])
# checking for GLU-header
    AC_CHECK_HEADERS([OpenGL/glu.h] ,,
      [AC_MSG_ERROR([cannot find opengl headers]) ])
        AC_CHECK_LIB( OpenGL, main, , )
   LIBS="$LIBS -framework OpenGL"



# checking for GLEW-headers
   AC_CHECK_HEADERS([GL/glew.h] ,,
      [AC_MSG_ERROR([cannot find glew headers]) ])
# checking for GLEW-lib
  AC_CHECK_LIB([GLEW], [main], [FOUND_GLEW=yes; LIBS="$LIBS -lGLEW"])
   if test x$FOUND_GLEW != xyes ; then
         echo "------------------"
         echo "glew not found."
         echo "please install the glew package which can be found at http://glew.sourceforge.net"
         echo "------------------"
         exit -1
   fi

 LIBS="$LIBS"
   AC_CHECK_HEADERS([OpenAL/al.h] ,,
      [AC_MSG_ERROR([cannot find opengl headers]) ])
  HAVE_OPENAL=yes
  LIBS="$LIBS -framework OpenAL"


## SDL-check
       SDL_CFLAGS=`sdl-config --cflags`
       SDL_LIBS=`sdl-config --libs`
       CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
       LIBS="$LIBS $SDL_LIBS"
   AC_CHECK_HEADERS([SDL/SDL.h] ,,
      [AC_MSG_ERROR([cannot find SDL headers]) ])
   HAVE_SDL=yes
#   LIBS="$LIBS -framework SDL"

# checking for SDL-headers
#    AC_CHECK_HEADERS(SDL/SDL.h ,,
#      [AC_MSG_ERROR([cannot find SDL headers]) ])

## checking for SDL
#    SDL_VERSION=1.2.7
#    AM_PATH_SDL($SDL_VERSION,
#      :,
#      AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
#      )


    ;;

  *)
    ;;
esac

AC_SUBST(MSBITFIELDS)

###################################
## CHECKING FOR HEADERS AND LIBS ##
###################################

#---------#
# SDL_ttf #
#---------#
AX_CHECK_REQUIRED_HEADER_LIB([SDL_ttf.h SDL/SDL_ttf.h], [SDL_ttf], [TTF_OpenFont],,, [http://www.libsdl.org/projects/SDL_ttf])
#-----------#
# SDL_Image #
#-----------#
AX_CHECK_REQUIRED_HEADER_LIB([SDL_image.h SDL/SDL_image.h], [SDL_image], [main],,, [http://www.libsdl.org/projects/SDL_image])
#---------#
# SDL_Net #
#---------#
AX_CHECK_REQUIRED_HEADER_LIB([SDL_net.h SDL/SDL_net.h], [SDL_net], [main],,, [http://www.libsdl.org/projects/SDL_net])

#--------#
# FFmpeg #
#--------#

## THIS IS FOR SURE A BUG (-llualib)
# checking for FFmpeg-headers
  AX_CHECK_REQUIRED_HEADER_LIB([avformat.h ffmpeg/avformat.h] ,[avformat], [main],
   [AX_CHECK_REQUIRED_HEADER_LIB([avcodec.h ffmpeg/avcodec.h], [avcodec], [main],,, [http://ffmpeg.sourceforge.net]) LIBS="${LIBS} -lavformat -lavcodec"],
     [AX_GET_INSTALL_NECESSARY_LIB([http://svn.orxonox.net/webdev/develop/ext_libs], [ffmpeg.tar.gz], [ffmpeg], [extern_libs/], [include/*.h lib/*.a])
       LIBS="-llualib -llua"  CPPFLAGS="${CPPFLAGS} -I$(top_build_dir)/extern_libs" ],
  [http://ffmpeg.sourceforge.net])




  AC_CHECK_LIB([avutil], [main], [FOUND_avutil=yes; LIBS="$LIBS -lavutil"])
  AC_CHECK_LIB([xvid], [main], [FOUND_xvid=yes; LIBS="$LIBS -lxvid"])
  AC_CHECK_LIB([gcj], [main], [FOUND_gcj=yes; LIBS="$LIBS -lgcj"])
  AC_CHECK_LIB([theora], [main], [FOUND_theora=yes; LIBS="$LIBS -ltheora"])
  AC_CHECK_LIB([dts], [main], [FOUND_dts=yes; LIBS="$LIBS -ldts"])
  AC_CHECK_LIB([gsm], [main], [FOUND_gsm=yes; LIBS="$LIBS -lgsm"])
  AC_CHECK_LIB([dc1394_control], [main], [FOUND_dc1394_control=yes; LIBS="$LIBS -ldc1394_control"])
  AC_CHECK_LIB([vorbisenc], [main], [FOUND_vorbisenc=yes; LIBS="$LIBS -lvorbisenc"])


#--------#
# vorbis #
#--------#
AX_CHECK_REQUIRED_HEADER_LIB([vorbis/vorbisfile.h], [vorbisfile], [main],,, [http://www.xiph.org/ogg/vorbis/index.html])
AX_CHECK_REQUIRED_HEADER_LIB([vorbis/codec.h], [vorbis], [main],,, [http://www.xiph.org/ogg/vorbis/index.html])

#-----#
# ogg #
#-----#
AX_CHECK_REQUIRED_HEADER_LIB([ogg/ogg.h], [ogg], [main],,, [http://www.xiph.org/ogg/vorbis/index.html])


#----#
# QT #
#----#
if test x$osX = xyes ; then
#       PKG_CONFIG_PATH="$prefix"
#       PKG_CHECK_MODULES( QT, QtOpenGL >= 4.01 QtCore >= 4.01 QtGui >= 4.0.1 )
#       QT_INCLUDE_DIR=`$PKG_CONFIG --variable=includedir QtOpenGL QtCore QtGui`
#----------#
            AC_PATH_PROG([QT_MOC], [moc], [no], ["${QT_BIN_DIRECTORY}:${PATH}"])
              if test x${QT_MOC} = xno ; then
                AC_MSG_ERROR([QT MOC not found])
              fi
        AC_SUBST([QT_MOC])

        AC_PATH_PROG([QT_UIC], [uic], [no], ["${QT_BIN_DIRECTORY}:${PATH}"])
        AC_SUBST([QT_UIC])

        AC_PATH_PROG([QT_RCC], [rcc], [no], ["${QT_BIN_DIRECTORY}:${PATH}"])

        AC_SUBST([QT_RCC])
        AC_SUBST( QT_INCLUDE_DIR )
        AC_SUBST( QT_CFLAGS )
        AC_SUBST( QT_LDFLAGS )
        AC_SUBST( QT_LIBS )
        echo "QT_LIBS                   = $QT_LIBS"
        echo "QT_CFLAGS                 = $QT_CFLAGS"
        echo "QT_INCLUDE_DIR    = $QT_INCLUDE_DIR"
else
        AX_CHECK_QT([${QT_PREFIX}], [QtCore QtCore4],, [http://www.trolltech.com])
        if test x$have_qt = xno ; then
                WITH_QT=no
        fi
fi

#---------#
# libcURL #
#---------#
AX_CHECK_HEADER_LIB([curl/curl.h], [curl], [main], [
 have_curl=yes
  CURL_LIBS=`curl-config --libs`
  CURLCFLAGS=`curl-config --cflags`
  AC_DEFINE_UNQUOTED(HAVE_CURL, 1, [if we have CURL]) ]
  ,, [http://curl.haxx.se/])

AC_SUBST(CURL_LIBS)
AC_SUBST(CURL_CFLAGS)
AM_CONDITIONAL(HAVE_CURL, test "x$have_curl" = "xyes")


 AX_CHECK_REQUIRED_HEADER_LIB([zlib.h], [z], [zlibVersion],,, [http://www.zlib.net])
 AX_CHECK_REQUIRED_HEADER_LIB([math.h], [m], [sqrt])


#-----#
# LUA #
#-----#
LUA_DIR="/usr/include/lua"
AX_CHECK_LUA([${LUA_DIR}])

#--------#
# efence #
#--------#
if test x$def_efence = xyes ; then
  AC_CHECK_LIB([efence], [main], [FOUND_efence=yes; LIBS="$LIBS -lefence"])
   if test x$FOUND_efence != xyes ; then
     echo "efence was requested, but is not installed!! going on"
   fi
fi

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL

# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([bzero sqrt])

######################
## OUTPUT CONFIGURE ##
######################
AC_CONFIG_FILES([Makefile
                 src/Makefile
                 src/lib/Makefile
                 src/lib/math/Makefile
                 src/lib/lang/Makefile
                 src/lib/util/Makefile
                 src/lib/graphics/Makefile
                 src/lib/graphics/importer/Makefile
                 src/lib/graphics/spatial_separation/Makefile
                 src/lib/sound/Makefile
                 src/lib/event/Makefile
                 src/lib/physics/Makefile
                 src/lib/collision_detection/Makefile
                 src/lib/collision_reaction/Makefile
                 src/lib/network/Makefile
                 src/lib/shell/Makefile
                 src/lib/gui/Makefile
                 src/lib/gui/gl/Makefile
                 src/lib/gui/qt/Makefile
                 src/lib/script_engine/Makefile
                 src/lib/parser/Makefile
                 src/lib/parser/tinyxml/Makefile
                 src/lib/parser/ini_parser/Makefile
                 src/lib/parser/cmdline_parser/Makefile
                 src/lib/parser/preferences/Makefile
                 src/util/Makefile
                 src/ai/Makefile
                 src/world_entities/Makefile
                 src/subprojects/Makefile
                 src/subprojects/testmain/Makefile
                 src/subprojects/importer/Makefile
                 src/subprojects/particles/Makefile
                 src/subprojects/collision_detection/Makefile
                 src/subprojects/network/Makefile
                 src/subprojects/recapture_mouse/Makefile
                 ])

AC_OUTPUT