| [de061d] | 1 | dnl ====================================================================================== | 
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|  | 2 | dnl Author: Francesco Montorsi | 
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|  | 3 | dnl RCS-ID: $Id: vtk.m4,v 1.1 2005/11/20 14:47:40 frm Exp $ | 
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|  | 4 | dnl | 
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|  | 5 | dnl Implements the AM_OPTIONS_VTK, to add the --with-vtk=path option, and the | 
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|  | 6 | dnl AM_PATH_VTK macro used to detect VTK presence, location and version. | 
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|  | 7 | dnl ====================================================================================== | 
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|  | 8 |  | 
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|  | 9 |  | 
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|  | 10 |  | 
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|  | 11 | dnl | 
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|  | 12 | dnl  AM_OPTIONS_VTK | 
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|  | 13 | dnl  ------------------------------------------------------------------------ | 
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|  | 14 | dnl  Adds the --with-vtk=path option to the configure options | 
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|  | 15 | dnl  Adds the --with-vtk-libdir=path option to the configure options | 
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|  | 16 | dnl | 
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|  | 17 | AC_DEFUN([AM_OPTIONS_VTK], | 
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|  | 18 | [ | 
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|  | 19 | AC_ARG_WITH([vtk], | 
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|  | 20 | [AC_HELP_STRING([--with-vtk], | 
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|  | 21 | [The prefix where VTK is installed (default is /usr)])], | 
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|  | 22 | [with_vtk=$withval], | 
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|  | 23 | [with_vtk="/usr"]) | 
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|  | 24 |  | 
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|  | 25 | AC_ARG_WITH([vtklibdir], | 
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|  | 26 | [AC_HELP_STRING([--with-vtk-libdir], | 
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|  | 27 | [The prefix where VTK libs areA installed (default is /usr/lib)])], | 
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|  | 28 | [with_vtk_libdir=$withval], | 
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|  | 29 | [with_vtk_libdir="/usr/lib"]) | 
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|  | 30 |  | 
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|  | 31 | AC_ARG_WITH([vtk-version], | 
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|  | 32 | [AC_HELP_STRING([--with-vtk-version], | 
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|  | 33 | [VTK's include directory name is vtk-suffix, e.g. vtk-5.0/. What's the suffix? (Default -5.0)])], | 
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|  | 34 | [vtk_suffix=$withval], | 
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|  | 35 | [vtk_suffix="-5.0"]) | 
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|  | 36 |  | 
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|  | 37 | ])# AM_OPTIONS_VTK | 
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|  | 38 |  | 
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|  | 39 |  | 
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|  | 40 |  | 
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|  | 41 | dnl | 
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|  | 42 | dnl  AM_PATH_VTK([minimum-version], [action-if-found], [action-if-not-found]) | 
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|  | 43 | dnl  ------------------------------------------------------------------------ | 
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|  | 44 | dnl | 
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|  | 45 | dnl  NOTE: [minimum-version] must be in the form [X.Y.Z] | 
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|  | 46 | dnl | 
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|  | 47 | AC_DEFUN([AM_PATH_VTK], | 
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|  | 48 | [ | 
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|  | 49 | dnl do we want to check for VTK ? | 
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|  | 50 | if test "$with_vtk" = "yes"; then | 
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|  | 51 | dnl in case user wrote --with-vtk=yes | 
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|  | 52 | with_vtk="/usr/local" | 
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|  | 53 | fi | 
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|  | 54 |  | 
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|  | 55 | if test "$with_vtk" != "no"; then | 
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|  | 56 | dnl | 
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|  | 57 | dnl A path was provided in $with_vtk...try hard to find the VTK library {{{ | 
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|  | 58 | VTK_PREFIX="$with_vtk" | 
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|  | 59 |  | 
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|  | 60 | vtk_save_CPPFLAGS=$CPPFLAGS | 
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|  | 61 | CPPFLAGS="$CPPFLAGS -I$VTK_PREFIX/include/vtk$vtk_suffix" | 
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|  | 62 | AC_CHECK_HEADER([vtkCommonInstantiator.h], [vtkFound="OK"]) | 
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|  | 63 | CPPFLAGS=$vtk_save_CPPFLAGS | 
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|  | 64 | AC_MSG_CHECKING([if VTK is installed in $VTK_PREFIX]) | 
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|  | 65 |  | 
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|  | 66 | if test -z "$vtkFound"; then | 
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|  | 67 | dnl | 
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|  | 68 | dnl VTK was not found! ...execute $3 unconditionally {{{ | 
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|  | 69 | AC_MSG_RESULT([no]) | 
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|  | 70 | $3 | 
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|  | 71 | dnl }}} | 
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|  | 72 | dnl | 
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|  | 73 | else | 
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|  | 74 | dnl | 
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|  | 75 | dnl VTK was found! ...execute $2 if version matches {{{ | 
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|  | 76 | AC_MSG_RESULT([yes]) | 
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|  | 77 |  | 
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|  | 78 | dnl these are the VTK libraries of a default build | 
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|  | 79 | VTK_LIBS="-lvtkDICOMParser -lvtkFiltering -lvtkftgl -lvtkGraphics -lvtkHybrid -lvtkImaging -lvtkIO -lvtkRendering -lvtkCommon -lvtksys" | 
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|  | 80 |  | 
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|  | 81 | dnl set VTK c,cpp,ld flags | 
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|  | 82 | VTK_CFLAGS="-I$VTK_PREFIX/include/vtk$vtk_suffix" | 
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|  | 83 | VTK_CXXFLAGS="$VTK_CFLAGS" | 
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|  | 84 |  | 
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|  | 85 | dnl now, eventually check version {{{ | 
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|  | 86 | if test -n "$1"; then | 
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|  | 87 | dnl | 
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|  | 88 | dnl A version was specified... parse the version string in $1 {{{ | 
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|  | 89 |  | 
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|  | 90 | dnl The version of VTK that we need: {{{ | 
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|  | 91 | maj=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` | 
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|  | 92 | min=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` | 
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|  | 93 | rel=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | 
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|  | 94 | AC_MSG_CHECKING([if VTK version is at least $maj.$min.$rel]) | 
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|  | 95 | dnl }}} | 
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|  | 96 |  | 
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|  | 97 | dnl Compare required version of VTK against installed version: {{{ | 
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|  | 98 | dnl | 
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|  | 99 | dnl Note that in order to be able to compile the following test program, | 
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|  | 100 | dnl we need to add to the current flags, the VTK settings... | 
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|  | 101 | OLD_CFLAGS=$CFLAGS | 
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|  | 102 | OLD_CXXFLAGS=$CXXFLAGS | 
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|  | 103 | OLD_LDFLAGS=$LDFLAGS | 
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|  | 104 | CFLAGS="$VTK_CFLAGS $CFLAGS" | 
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|  | 105 | CXXFLAGS="$VTK_CXXFLAGS $CXXFLAGS" | 
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|  | 106 | LDFLAGS="$VTK_LDFLAGS $LDFLAGS" | 
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|  | 107 | dnl | 
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|  | 108 | dnl check if the installed VTK is greater or not | 
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|  | 109 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM( | 
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|  | 110 | [ | 
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|  | 111 | #include <vtkConfigure.h> | 
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|  | 112 | #include <stdio.h> | 
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|  | 113 | ], | 
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|  | 114 | [ | 
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|  | 115 | printf("VTK version is: %d.%d.%d", VTK_MAJOR_VERSION, VTK_MINOR_VERSION, VTK_BUILD_VERSION); | 
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|  | 116 | #if VTK_MAJOR_VERSION < $maj | 
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|  | 117 | #error Installed VTK is too old ! | 
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|  | 118 | #endif | 
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|  | 119 | #if VTK_MAJOR_VERSION == $maj && VTK_MINOR_VERSION < $min | 
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|  | 120 | #error Installed VTK is too old ! | 
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|  | 121 | #endif | 
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|  | 122 | #if VTK_MAJOR_VERSION == $maj && VTK_MINOR_VERSION == $min && VTK_BUILD_VERSION < $rel | 
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|  | 123 | #error Installed VTK is too old ! | 
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|  | 124 | #endif | 
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|  | 125 | ]) | 
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|  | 126 | ], [vtkVersion="OK"]) | 
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|  | 127 | dnl | 
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|  | 128 | if test "$vtkVersion" = "OK"; then | 
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|  | 129 | AC_MSG_RESULT([yes]) | 
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|  | 130 | else | 
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|  | 131 | AC_MSG_RESULT([no]) | 
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|  | 132 | fi | 
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|  | 133 | dnl restore all flags without VTK values | 
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|  | 134 | CFLAGS=$OLD_CFLAGS | 
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|  | 135 | CXXFLAGS=$OLD_CXXFLAGS | 
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|  | 136 | LDFLAGS=$OLD_LDFLAGS | 
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|  | 137 | dnl }}} | 
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|  | 138 | else : | 
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|  | 139 | dnl | 
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|  | 140 | dnl A target version number was not provided... execute $2 unconditionally {{{ | 
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|  | 141 |  | 
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|  | 142 | dnl if we don't have to check for minimum version (because the user did not set that option), | 
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|  | 143 | dnl then we can execute here the block action-if-found | 
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|  | 144 | #CFLAGS="$VTK_CFLAGS $CFLAGS" | 
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|  | 145 | #CXXFLAGS="$VTK_CXXFLAGS $CXXFLAGS" | 
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|  | 146 | #LDFLAGS="$VTK_LDFLAGS $LDFLAGS" | 
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|  | 147 | skiplinktest="OK" | 
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|  | 148 | $2 | 
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|  | 149 | dnl }}} | 
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|  | 150 | dnl | 
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|  | 151 | fi | 
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|  | 152 | dnl }}} | 
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|  | 153 |  | 
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|  | 154 | dnl }}} | 
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|  | 155 | dnl | 
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|  | 156 | if test ! "$skiplinktest" = "OK"; then | 
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|  | 157 | for libfolder in $with_vtk_libdir /usr/lib $VTK_PREFIX/lib/vtk$vtk_suffix /usr/local/lib; do | 
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|  | 158 | VTK_LDFLAGS="-L$libfolder -Wl,-rpath=$libfolder" | 
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|  | 159 | dnl Execute $2 if version is ok, otherwise execute $3 {{{ | 
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|  | 160 | OLD_CFLAGS=$CFLAGS | 
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|  | 161 | OLD_CXXFLAGS=$CXXFLAGS | 
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|  | 162 | OLD_LDFLAGS=$LDFLAGS | 
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|  | 163 | OLD_LIBS=$LIBS | 
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|  | 164 | CFLAGS="$VTK_CFLAGS $CFLAGS" | 
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|  | 165 | CXXFLAGS="$VTK_CXXFLAGS $CXXFLAGS" | 
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|  | 166 | LDFLAGS="$VTK_LDFLAGS $LDFLAGS" | 
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|  | 167 | LIBS="$VTK_LIBS $LIBS" | 
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|  | 168 | if test "$vtkVersion" = "OK"; then | 
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|  | 169 | AC_MSG_CHECKING([linking with VTK libs in folder $libfolder]) | 
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|  | 170 | AC_LINK_IFELSE([AC_LANG_PROGRAM( | 
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|  | 171 | [ | 
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|  | 172 | #include <vtkAbstractArray.h> | 
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|  | 173 | #include <vtkImageData.h> | 
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|  | 174 | #include <vtkPointData.h> | 
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|  | 175 | #include <vtkSmartPointer.h> | 
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|  | 176 | #include <vtkXMLImageDataWriter.h> | 
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|  | 177 | ], | 
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|  | 178 | [ | 
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|  | 179 | vtkSmartPointer<vtkImageData> image = vtkSmartPointer<vtkImageData>::New(); | 
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|  | 180 | ]) | 
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|  | 181 | ], [vtkLinkVersion="OK"]) | 
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|  | 182 | fi | 
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|  | 183 |  | 
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|  | 184 | dnl Execute $2 if version is ok, otherwise execute $3 {{{ | 
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|  | 185 | if test "$vtkLinkVersion" = "OK"; then | 
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|  | 186 | AC_MSG_RESULT([yes]) | 
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|  | 187 | $2 | 
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|  | 188 | break | 
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|  | 189 | else | 
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|  | 190 | AC_MSG_RESULT([no]) | 
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|  | 191 | $3 | 
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|  | 192 | fi | 
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|  | 193 | dnl unset VTK_LDFLAGS | 
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|  | 194 | VTK_LDFLAGS= | 
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|  | 195 | dnl restore all flags without VTK values | 
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|  | 196 | CFLAGS=$OLD_CFLAGS | 
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|  | 197 | CXXFLAGS=$OLD_CXXFLAGS | 
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|  | 198 | LDFLAGS=$OLD_LDFLAGS | 
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|  | 199 | LIBS=$OLD_LIBS | 
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|  | 200 | done | 
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|  | 201 | fi | 
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|  | 202 | fi | 
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|  | 203 | dnl }}} | 
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|  | 204 | dnl | 
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|  | 205 | fi | 
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|  | 206 | ])# AM_PATH_VTK | 
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|  | 207 | dnl | 
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|  | 208 | dnl vim: foldmethod=marker foldlevel=1 ts=2 sw=2 | 
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