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[uLib Geometry]
non working version! + adds ProgrammableAccessor + renaming of some Image structures ...
This commit is contained in:
Andrea Rigoni
166
m4/vtk.m4
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166
m4/vtk.m4
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dnl ======================================================================================
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dnl Author: Francesco Montorsi
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dnl RCS-ID: $Id: vtk.m4,v 1.1 2005/11/20 14:47:40 frm Exp $
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dnl
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dnl Implements the AM_OPTIONS_VTK, to add the --with-vtk=path option, and the
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dnl AM_PATH_VTK macro used to detect VTK presence, location and version.
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dnl ======================================================================================
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dnl
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dnl AM_OPTIONS_VTK
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dnl ------------------------------------------------------------------------
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dnl Adds the --with-vtk=path option to the configure options
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dnl
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AC_DEFUN([AM_OPTIONS_VTK],
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[
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AC_ARG_WITH([vtk-path],
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[AC_HELP_STRING([--with-vtk-path],
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[The prefix where VTK is installed (default is /usr/local)])],
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[with_vtk=$withval],
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[with_vtk="/usr/local"])
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AC_ARG_WITH([vtk-version],
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[AC_HELP_STRING([--with-vtk-version],
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[VTK's include directory name is vtk-suffix, e.g. vtk-5.0/. What's the suffix? (Default -5.10)])],
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[vtk_suffix=$withval],
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[vtk_suffix="-5.10"])
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])# AM_OPTIONS_VTK
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dnl
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dnl AM_PATH_VTK([minimum-version], [action-if-found], [action-if-not-found])
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dnl ------------------------------------------------------------------------
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dnl
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dnl NOTE: [minimum-version] must be in the form [X.Y.Z]
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dnl
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AC_DEFUN([AM_PATH_VTK],
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[
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dnl do we want to check for VTK ?
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if test "$with_vtk" = yes; then
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dnl in case user wrote --with-vtk=yes
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with_vtk="/usr/local"
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fi
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if test "$with_vtk" != no; then
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dnl
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dnl A path was provided in $with_vtk...try hard to find the VTK library {{{
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VTK_PREFIX="$with_vtk"
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AC_CHECK_FILE([$VTK_PREFIX/include/vtk$vtk_suffix/vtkObject.h], [vtkFound="OK"])
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AC_MSG_CHECKING([if VTK is installed in $VTK_PREFIX])
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if test -z "$vtkFound"; then
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dnl
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dnl VTK was not found! ...execute $3 unconditionally {{{
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AC_MSG_RESULT([no])
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$3
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dnl }}}
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dnl
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else
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dnl
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dnl VTK was found! ...execute $2 if version matches {{{
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AC_MSG_RESULT([yes])
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dnl these are the VTK libraries of a default build
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VTK_LIBS=""
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dnl set VTK c,cpp,ld flags
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VTK_CFLAGS="-I$VTK_PREFIX/include/vtk$vtk_suffix"
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VTK_CXXFLAGS="$VTK_CFLAGS"
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VTK_LDFLAGS="-L$VTK_PREFIX/lib/vtk$vtk_suffix $VTK_LIBS"
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AC_SUBST(VTK_LIBS)
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AC_SUBST(VTK_CFLAGS)
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AC_SUBST(VTK_CXXFLAGS)
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AC_SUBST(VTK_LDFLAGS)
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dnl now, eventually check version {{{
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if test -n "$1"; then
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dnl
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dnl A version was specified... parse the version string in $1 {{{
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dnl The version of VTK that we need: {{{
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maj=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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min=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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rel=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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AC_MSG_CHECKING([if VTK version is at least $maj.$min.$rel])
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dnl }}}
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dnl Compare required version of VTK against installed version: {{{
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dnl
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dnl Note that in order to be able to compile the following test program,
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dnl we need to add to the current flags, the VTK settings...
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OLD_CFLAGS=$CFLAGS
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OLD_CXXFLAGS=$CXXFLAGS
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OLD_LDFLAGS=$LDFLAGS
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CFLAGS="$VTK_CFLAGS $CFLAGS"
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CXXFLAGS="$VTK_CXXFLAGS $CXXFLAGS"
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LDFLAGS="$VTK_LDFLAGS $LDFLAGS"
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dnl
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dnl check if the installed VTK is greater or not
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[
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#include <vtkConfigure.h>
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#include <stdio.h>
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],
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[
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printf("VTK version is: %d.%d.%d", VTK_MAJOR_VERSION, VTK_MINOR_VERSION, VTK_BUILD_VERSION);
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if VTK_MAJOR_VERSION < $maj
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error Installed VTK is too old !
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endif
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if VTK_MINOR_VERSION < $min
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error Installed VTK is too old !
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endif
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if VTK_BUILD_VERSION < $rel
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error Installed VTK is too old !
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endif
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])
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], [vtkVersion="OK"])
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dnl
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dnl restore all flags without VTK values
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CFLAGS=$OLD_CFLAGS
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CXXFLAGS=$OLD_CXXFLAGS
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LDFLAGS=$OLD_LDFLAGS
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dnl }}}
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dnl Execute $2 if version is ok, otherwise execute $3 {{{
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if test "$vtkVersion" = "OK"; then
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AC_MSG_RESULT([yes])
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$2
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else
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AC_MSG_RESULT([no])
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$3
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fi
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dnl }}}
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dnl }}}
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dnl
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else
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dnl
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dnl A target version number was not provided... execute $2 unconditionally {{{
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dnl if we don't have to check for minimum version (because the user did not set that option),
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dnl then we can execute here the block action-if-found
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CFLAGS="$VTK_CFLAGS $CFLAGS"
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CXXFLAGS="$VTK_CXXFLAGS $CXXFLAGS"
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LDFLAGS="$VTK_LDFLAGS $LDFLAGS"
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$2
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dnl }}}
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dnl
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fi
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dnl }}}
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dnl }}}
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dnl
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fi
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dnl }}}
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dnl
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fi
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])# AM_PATH_VTK
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dnl
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dnl vim: foldmethod=marker foldlevel=1 ts=2 sw=2
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