dnl AC_DEFUN(OSSIM_CHECK_WXPREFIX,
dnl [
dnl   AC_ARG_WITH(wxprefix,[  --with-wxprefix[=ARG]      Include wx prefix (ARG=no path to root of wx)],,)
dnl   
dnl   WX_PREFIX=
dnl    if test "$with_wxprefix" = "" ; then
dnl      WX_PREFIX="/usr"
dnl    else
dnl      WX_PREFIX="$with_wxprefix"
dnl    fi
dnl    export WX_PREFIX
dnl    AC_SUBST(WX_PREFIX, $WX_PREFIX)
dnl ])


AC_DEFUN(OSSIM_CHECK_WXGUI,
[
  AC_ARG_WITH(wxgui,[  --with-wxgui[=ARG]      Include wx support (ARG=no or full path to wx-config)],,)
  
  WX_INCLUDES=
  WX_LIBS=
  WX_SETTING=0
  WX_CONFIG=
  WX_PREFIX=
  WX_VERSION=
  OSSIM_USE_WX_GUI=

   if test "$with_wxgui" = "" ; then
     WX_SETTING=0
   
     if test -f "/usr/bin/wx-config" ; then
          WX_CONFIG="/usr/bin/wx-config"
     elif test -f "/usr/bin/wxgtk-2.3-config" ; then
          WX_CONFIG="/usr/bin/wxgtk-2.3-config"
     elif test -f "/usr/bin/wxgtk-2.4-config" ; then
          WX_CONFIG="/usr/bin/wxgtk-2.4-config"
     elif test -f "/usr/local/bin/wx-config" ; then
          WX_CONFIG="/usr/local/bin/wx-config"
     elif test -f "/usr/local/bin/wxgtk-2.3-config" ; then
          WX_CONFIG="/usr/local/bin/wxgtk-2.3-config"
     elif test -f "/usr/local/bin/wxgtk-2.4-config" ; then
          WX_CONFIG="/usr/local/bin/wxgtk-2.4-config"
     elif test -f "/usr/X11R6/bin/wx-config" ; then
          WX_CONFIG="/usr/X11R6/bin/wx-config"
     elif test -f "/usr/X11R6/bin/wxgtk-2.3-config" ; then
          WX_CONFIG="/usr/X11R6/bin/wxgtk-2.3-config"
     fi

     if test -f "$WX_CONFIG" ; then
         WX_INCLUDES=`$WX_CONFIG --cxxflags`
         WX_LIBS=`$WX_CONFIG --libs`
         WX_SETTING=1
	 WX_PREFIX=`$WX_CONFIG --prefix`
         WX_VERSION=`$WX_CONFIG --version`
     fi
   elif  test "$with_wxgui" = "no" ; then
         WX_SETTING=0
   elif test -f "$with_wxgui/wx-config"; then
   	if test "$WX_PREFIX" = "" ;then
              WX_PREFIX=`$with_wxgui/wx-config --prefix`
              export WX_PREFIX
         fi
         WX_INCLUDES=`$with_wxgui/wx-config --cxxflags`
         WX_LIBS=`$with_wxgui/wx-config --libs`
         WX_VERSION=`$with_wxgui/wx-config --version`
         WX_SETTING=1
   else
         WX_SETTING=0
   fi

  export WX_SETTING
  export WX_INCLUDES
  export WX_LIBS
  export WX_PREFIX
  export WX_VERSION

  OSSIM_USE_WX_GUI="-DOSSIM_USE_WX_GUI=$WX_SETTING"
  CFLAGS="$CFLAGS -DOSSIM_USE_WX_GUI=$WX_SETTING"
  CXXFLAGS="$CFFLAGS -DOSSIM_USE_WX_GUI=$WX_SETTING"
  echo "WX_SETTING  = $WX_SETTING"
  echo "WX_INCLUDES = $WX_INCLUDES"
  echo "WX_LIBS     = $WX_LIBS"
  echo "OSSIM_USE_WX_GUI  = $OSSIM_USE_WX_GUI"
  AC_SUBST(WX_INCLUDES,$WX_INCLUDES)
  AC_SUBST(WX_LIBS,$WX_LIBS)
  AC_SUBST(WX_SETTING,$WX_SETTING)
  AC_SUBST(WX_PREFIX,$WX_PREFIX)
  AC_SUBST(OSSIM_USE_WX_GUI, $OSSIM_USE_WX_GUI)
])

dnl Check for mpi package.
AC_DEFUN(OSSIM_CHECK_MPI,
[
  AC_ARG_WITH(mpi,[  --with-mpi[=ARG]      Include mpi support (ARG=no or full_path_to_mpi)],,)

  MPI_TOP= 
  MPI_SETTING= 
  MPI_INCLUDES= 
  MPI_LIBS= 
  MPI_LIB_PATH=
  MPI_DEFINES=-DMPI_SETTING=0

dnl If an mpi directory was not specified try looking parallel to 
dnl the ossim (this) package.

  if test "$with_mpi" = "" ; then
    current_dir=`pwd`
    if test -d "$current_dir/../mpi" ; then
        MPI_TOP="$current_dir/../mpi"
    elif test -d "/usr/share/mpich" ; then
        current_dir="/usr/share/mpich"
	MPI_TOP="/usr/share/mpich"
    elif test -d "/usr/share/mpi" ; then
        current_dir="/usr/share/mpi"
	MPI_TOP="/usr/share/mpi"
    fi
  elif test "$with_mpi" = "no" ; then
     MPI_SETTING=0
  else 
    MPI_TOP=$with_mpi
  fi

dnl Currently I only test for MPICH version of the MPI implementation
dnl We could add others later.

  if test -d "$MPI_TOP" ; then
    if test -e "$MPI_TOP/lib/libmpich.a" ; then
      MPI_INCLUDES="-I$MPI_TOP/include -I$MPI_TOP/include/mpi2c++"
      MPI_LIB_PATH=-L$MPI_TOP/lib
      MPI_LIBS="-lmpich -lpmpich"
      MPI_DEFINES=-DMPI_SETTING=1
    else
      MPI_DEFINES=-DMPI_SETTING=0
    fi
  fi

  echo "MPI_INCLUDES     = $MPI_INCLUDES"
  echo "MPI_LIB_PATH     = $MPI_LIB_PATH"
  echo "MPI_LIBS         = $MPI_LIBS"
  echo "MPI_DEFINES      = $MPI_DEFINES"

  AC_SUBST(MPI_INCLUDES, $MPI_INCLUDES)
  AC_SUBST(MPI_LIB_PATH, $MPI_LIB_PATH)
  AC_SUBST(MPI_LIBS, $MPI_LIBS)
  AC_SUBST(MPI_DEFINES, $MPI_DEFINES)
])


dnl Check for freetype package.
AC_DEFUN(OSSIM_CHECK_FREETYPE,
[
  AC_ARG_WITH(freetype,[  --with-freetype[=ARG]      Include freetype support (ARG=no or full_path_to_free)],,)

  FREETYPE_TOP=""
  FREETYPE_SETTING=0
  FREETYPE_INCLUDES= 
  FREETYPE_LIBS= 
  FREETYPE_LIB_PATH=
  FREETYPE_DEFINES=

  if test "$with_freetype" = "" ; then
    if test -f "/usr/bin/freetype-config" ; then
	FREETYPE_CONFIG_FOUND=1
	FREETYPE_SETTING=1
	FREETYPE_INCLUDES=`freetype-config --cflags`
	FREETYPE_LIBS=`freetype-config --libs`
	FREETYPE_LIB_PATH=-L`freetype-config --prefix`/lib
	FREETYPE_DEFINES="-DFREETYPE_SETTING=1"
    elif test -d "/usr/include/freetype2" ; then
        FREETYPE_TOP="/usr"
    elif test -d "/usr/local/include/freetype2" ; then
        FREETYPE_TOP="/usr/local"
    fi
  elif test "$with_freetype" = "no" ; then
     FREETYPE_SETTING=0
  else 
    FREETYPE_TOP=$with_freetype
  fi

  if test "$FREETYPE_TOP" != "" ; then
    if test -d "$FREETYPE_TOP/include/freetype2" ; then
      FREETYPE_INCLUDES="-I$FREETYPE_TOP/include/freetype2 -I$FREETYPE_TOP/include/freetype2/freetype"
      FREETYPE_LIB_PATH="-L$FREETYPE_TOP/lib"
      FREETYPE_LIBS="-lfreetype"
      FREETYPE_DEFINES="-DFREETYPE_SETTING=1"
      FREETYPE_SETTING=1
    else
      FREETYPE_DEFINES="-DFREETYPE_SETTING=0"
      FREETYPE_SETTING=0
    fi
  fi

  if test "$FREETYPE_LIB_PATH" = "-L/usr/lib" ; then
	FREETYPE_LIB_PATH=""
  fi
  echo "FREETYPE_INCLUDES     = $FREETYPE_INCLUDES"
  echo "FREETYPE_LIB_PATH     = $FREETYPE_LIB_PATH"
  echo "FREETYPE_LIBS         = $FREETYPE_LIBS"
  echo "FREETYPE_DEFINES      = $FREETYPE_DEFINES"
  echo "FREETYPE_SETTING      = $FREETYPE_SETTING"

  AC_SUBST(FREETYPE_INCLUDES, $FREETYPE_INCLUDES)
  AC_SUBST(FREETYPE_LIB_PATH, $FREETYPE_LIB_PATH)
  AC_SUBST(FREETYPE_LIBS, $FREETYPE_LIBS)
  AC_SUBST(FREETYPE_DEFINES, $FREETYPE_DEFINES)
  AC_SUBST(FREETYPE_SETTING, $FREETYPE_SETTING)
])


dnl Check for gdal package.
AC_DEFUN(OSSIM_CHECK_GDAL,
[
  AC_ARG_WITH(gdal,[  --with-gdal[=ARG]      Include gdal support (ARG=no or full_path_to_gdal)],,)

#  GDAL_TOP="${TOP}/src/packages/package_install/gdal"
#  GDAL_SETTING=1
#  GDAL_INCLUDES="-I${TOP}/src/packages/package_install/gdal/include"
#  GDAL_LIBS="-L${TOP}/src/packages/package_install/gdal/lib"
#  GDAL_LIB_PATH="-L${TOP}/src/packages/package_install/gdal/lib"
#  GDAL_DEFINES="-DGDAL_SETTING=1"
#  CPL_INCLUDES=

  GDAL_TOP=
  GDAL_SETTING=1
  GDAL_INCLUDES=
  GDAL_LIBS=
  GDAL_LIB_PATH=
  GDAL_DEFINES="-DGDAL_SETTING=1"
  CPL_INCLUDES=

  echo "GDAL_SETTING      = $GDAL_SETTING"
  echo "USING INTERNAL PACKAGE GDAL"

  export GDAL_INCLUDES
  export GDAL_LIB_PATH
  export GDAL_LIBS
  export GDAL_DEFINES
  export GDAL_SETTING
  export CPL_INCLUDES

  AC_SUBST(GDAL_INCLUDES, $GDAL_INCLUDES)
  AC_SUBST(GDAL_LIB_PATH, $GDAL_LIB_PATH)
  AC_SUBST(GDAL_LIBS, $GDAL_LIBS)
  AC_SUBST(GDAL_DEFINES, $GDAL_DEFINES)
  AC_SUBST(GDAL_SETTING, $GDAL_SETTING)
  AC_SUBST(CPL_INCLUDES, $CPL_INCLUDES)
])

dnl Check for gdal package.
AC_DEFUN(OSSIM_CONFIGURE_PACKAGES,
[
	if ! test -d src/packages/libtiff ; then
		cd ${OSSIM_TOP}/src/packages
		tar xvfz libtiff.tgz
	fi

	if ! test -d src/packages/gdal ; then
		cd ${OSSIM_TOP}/src/packages
		tar xvfz gdal.tgz
	fi
	PACKAGE_PREFIX=${OSSIM_TOP}/src/packages/package_install
	${INSTALL} -d ${PACKAGE_PREFIX}/include \
			${PACKAGE_PREFIX}/bin \
			${PACKAGE_PREFIX}/lib \
			${PACKAGE_PREFIX}/include/iso8211 \
			${PACKAGE_PREFIX}/include/vec/shape \
			${PACKAGE_PREFIX}/include/wx/ogl;
	cd ${OSSIM_TOP}/src/packages/libtiff ; \
	${OSSIM_TOP}/src/packages/libtiff/configure --noninteractive --prefix=${PACKAGE_PREFIX} ; \ 
	make ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/fax2ps ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/fax2tiff ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/gif2tiff ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/pal2rgb ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/ppm2tiff ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/ras2tiff ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/raw2tiff ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/rgb2ycbcr ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/thumbnail ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiff2bw ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiff2ps ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiff2rgba ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffcmp ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffcp ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffdither ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffdump ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffinfo ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffmedian ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffset ${PACKAGE_PREFIX}/bin ; \
        ${INSTALL} -m 755 ${OSSIM_TOP}/src/packages/libtiff/tools/tiffsplit  ${PACKAGE_PREFIX}/bin ; \
	${INSTALL} -m 444 ${OSSIM_TOP}/src/packages/libtiff/libtiff/*.h ${PACKAGE_PREFIX}/include ; \
	${INSTALL} -m 444 ${OSSIM_TOP}/src/packages/libtiff/libtiff/lib* ${PACKAGE_PREFIX}/lib ; \

	cd ${OSSIM_TOP}/src/packages/gdal ; \
	${OSSIM_TOP}/src/packages/gdal/configure ${ADDITIONAL_GDAL_CONFIG_OPTIONS} --without-ld-shared --with-libtiff=${OSSIM_TOP}/src/packages/package_install --with-geotiff=internal --without-python --without-pg --prefix=${OSSIM_TOP}/src/packages/package_install ; \
	make ; \
	make install ; \
	cp -f ${OSSIM_TOP}/src/packages/gdal/frmts/iso8211/*.h ${PACKAGE_PREFIX}/include/iso8211 ; \
	cp -f ${OSSIM_TOP}/src/packages/gdal/frmts/gtiff/libgeotiff/*.h ${PACKAGE_PREFIX}/include ; \
	cp -f ${OSSIM_TOP}/src/packages/gdal/frmts/gtiff/libgeotiff/*.inc ${PACKAGE_PREFIX}/include ; \
	cp -f ${OSSIM_TOP}/src/packages/gdal/frmts/shapelib/*.h ${PACKAGE_PREFIX}/include/vec/shape ; \
	cp -f ${OSSIM_TOP}/src/packages/gdal/gdal.a ${PACKAGE_PREFIX}/lib ; \
	
	if test "${RANLIB}" != "" ; then \
		${RANLIB} ${PACKAGE_PREFIX}/lib/*.a ; \
	fi ; \
	cd ${OSSIM_TOP};
])

dnl this macro checks for a three-valued command line --with argument:
dnl   possible arguments are 'yes', 'no', 'sys', or 'internal'
dnl usage: OSSIM_ARG_SYS_WITH(option, helpmessage, variable-name)
AC_DEFUN([OSSIM_ARG_SYS_WITH],
        [
          AC_MSG_CHECKING([for --with-$1])
          no_cache=0
          AC_ARG_WITH($1, [$2],
                      [
                        if test "$withval" = yes; then
                          ac_cv_use_$1='$3=yes'
                        elif test "$withval" = no; then
                          ac_cv_use_$1='$3=no'
                        elif test "$withval" = sys; then
                          ac_cv_use_$1='$3=sys'
                        elif test "$withval" = internal; then
                          ac_cv_use_$1='$3=internal'
                        else
                          AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or internal])
                        fi
                      ],
                      [
                        LINE=`grep "$3" ${wx_arg_cache_file}`
                        if test "x$LINE" != x ; then
                          eval "DEFAULT_$LINE"
                        else
                          no_cache=1
                        fi

                        ac_cv_use_$1='$3='$DEFAULT_$3
                      ])

          eval "$ac_cv_use_$1"
          if test "$no_cache" != 1; then
            echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
          fi

          if test "$$3" = yes; then
            AC_MSG_RESULT(yes)
          elif test "$$3" = no; then
            AC_MSG_RESULT(no)
          elif test "$$3" = sys; then
            AC_MSG_RESULT([system version])
          elif test "$$3" = internal; then
            AC_MSG_RESULT([internal version])
          else
            AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
          fi
        ])

dnl this macro checks for a command line argument and caches the result
dnl usage: OSSIM_ARG_WITH(option, helpmessage, variable-name)
AC_DEFUN([OSSIM_ARG_WITH],
        [
          AC_MSG_CHECKING([for --with-$1])
          no_cache=0
          AC_ARG_WITH($1, [$2],
                      [
                        if test "$withval" = yes; then
                          ac_cv_use_$1='$3=yes'
                        elif test "$withval" = "" ; then
                          ac_cv_use_$1='$3=no'
			else
                          ac_cv_use_$1='$3=$withval'
                        fi
                      ],
                      [
				ac_cv_use_$1='$3=no'
dnl                        LINE=`grep "$3" ${wx_arg_cache_file}`
dnl                        if test "x$LINE" != x ; then
dnl                          eval "DEFAULT_$LINE"
dnl                        else
dnl                          no_cache=1
dnl                        fi

dnl                        ac_cv_use_$1='$3='$DEFAULT_$3
                      ])

          eval "$ac_cv_use_$1"
dnl          if test "$no_cache" != 1; then
dnl            echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
dnl          fi

          if test "$$3" = yes; then
            AC_MSG_RESULT(yes)
          else
            AC_MSG_RESULT(no)
          fi
        ])

dnl like OSSIM_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
dnl usage: OSSIM_ARG_ENABLE(option, helpmessage, variable-name, enablestring)
dnl
dnl enablestring is a hack and allows to show "checking for --disable-foo"
dnl message when running configure instead of the default "checking for
dnl --enable-foo" one whih is useful for the options enabled by default
AC_DEFUN([OSSIM_ARG_ENABLE],
        [
	  enablestring=$4
          AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
          no_cache=0
          AC_ARG_ENABLE($1, [$2],
                        [
                          if test "$enableval" = yes; then
                            ac_cv_use_$1='$3=yes'
                          else
                            ac_cv_use_$1='$3=no'
                          fi
                        ],
                        [
                          ac_cv_use_$1='$3=$$3'
dnl                          LINE=`grep "$3" ${wx_arg_cache_file}`
dnl                          if test "x$LINE" != x ; then
dnl                            eval "DEFAULT_$LINE"
dnl                          else
dnl                            no_cache=1
dnl                          fi

dnl                          ac_cv_use_$1='$3='$DEFAULT_$3
                        ])

          eval "$ac_cv_use_$1"
dnl          if test "$no_cache" != 1; then
dnl          echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
dnl      fi

          if test "$$3" = yes; then
            AC_MSG_RESULT(yes)
          else
            AC_MSG_RESULT(no)
          fi
        ])