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cit_vtk.m4
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cit_vtk.m4
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##############################################################################
# -*- Autoconf -*-
#
# Implements the AM_OPTIONS_VTK and AM_PATH_VTK macros.
# The AM_OPTIONS_VTK macro adds the --with-vtk=path option,
# and the AM_PATH_VTK macro is used to detect VTK presence,
# location and version.
#
# Modified from http://www.vtk.org/Wiki/VTK_Autoconf
# Originally by Francesco Montorsi
#
##############################################################################
#
# CIT_OPTIONS_VTK
#
# Adds the --with-vtk=PATH option to the configure options
#
AC_DEFUN([CIT_OPTIONS_VTK],[
# vtk install prefix
AC_ARG_WITH([vtk],
[AC_HELP_STRING(
[--with-vtk],
[The prefix where VTK is installed @<:@default=/usr@:>@])],
[with_vtk="$withval"],
[with_vtk="/usr"])
# vtk suffix, to allow for multiple installations of vtk libraries
AC_ARG_WITH([vtk-suffix],
[AC_HELP_STRING(
[--with-vtk-suffix],
[Suffix to append to VTK's include directory, e.g., for vtk-5.2/ the suffix is "-5.2"])],
[vtk_suffix="$withval"],
[vtk_suffix=""])
# alternatively, derive suffix from version number
AC_ARG_WITH([vtk-version],
[AC_HELP_STRING(
[--with-vtk-version],
[Version number of VTK library @<:@default=5.2@:>@])],
[vtk_version="$withval"],
[vtk_version="5.2"])
if test -z "$vtk_suffix"; then
#
# suffix was not specified. use the version number
# to calculate what it should be
#
if test -n "$vtk_version"; then
vtk_suffix="-$vtk_version"
fi
else
#
# suffix was specified. ignore version silently?
# produce error for now
#
if test -n "$vtk_version"; then
AC_MSG_ERROR([The option --with-vtk-suffix overrides --with-vtk-version. Do not use simultaneously.])
fi
fi
])
##############################################################################
#
# CIT_PATH_VTK([minimum-version], [action-if-found], [action-if-not-found])
#
# NOTE: [minimum-version] must be in the form [X.Y.Z]
#
AC_DEFUN([CIT_PATH_VTK],[
dnl do we want to check for VTK?
if test x$with_vtk = "xyes"; then
dnl in case user wrote --with-vtk=yes
with_vtk="/usr"
fi
if test x$with_vtk != "xno"; then
VTK_PREFIX="$with_vtk"
# note: for VTK version 7.0 the file vtkCommonInstantiator.h no longer exists,
# but has been renamed to vtkInstantiator.h instead
#AC_CHECK_FILE([$VTK_PREFIX/include/vtk$vtk_suffix/vtkCommonInstantiator.h],
# [vtkFound="OK"])
# checks for common file: vtkVersion.h
AC_CHECK_FILE([$VTK_PREFIX/include/vtk$vtk_suffix/vtkVersion.h],
[vtkFound="OK"])
AC_MSG_CHECKING([if VTK is installed in $VTK_PREFIX])
if test -z "$vtkFound"; then
dnl VTK not found!
AC_MSG_RESULT([no])
$3
else
dnl VTK found!
AC_MSG_RESULT([yes])
dnl remember the old flags
AC_LANG_PUSH([C])
OLD_CFLAGS=$CFLAGS
OLD_CXXFLAGS=$CXXFLAGS
OLD_LDFLAGS=$LDFLAGS
OLD_LIBS=$LIBS
dnl these are the VTK libraries of a default build.
dnl figure out vtkCommon, vtkIO, vtkFiltering, plus dependencies (in case VTK libs are static)
dnl order of libs is significant
dnl set VTK flags
VTK_INCLUDES="-I$VTK_PREFIX/include/vtk$vtk_suffix"
# note: versions 6+ change library names
maj=`echo $vtk_version | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
VTK_MAJOR=$maj
AC_MSG_NOTICE([VTK version $vtk_version - major version number is $VTK_MAJOR])
VTK_LDFLAGS=""
if test -d "$VTK_PREFIX/lib/vtk$vtk_suffix" ; then VTK_LDFLAGS+="-L$VTK_PREFIX/lib/vtk$vtk_suffix "; fi
if test -d "$VTK_PREFIX/lib64/vtk$vtk_suffix" ; then VTK_LDFLAGS+="-L$VTK_PREFIX/lib64/vtk$vtk_suffix "; fi
if test "${VTK_MAJOR}" -gt "5" ; then
# for vtk versions 6+
if test -d "$VTK_PREFIX/lib" ; then VTK_LDFLAGS+="-L$VTK_PREFIX/lib "; fi
fi
dnl in order to be able to compile the following test programs,
dnl we need to add to our VTK settings to the current flags
CFLAGS="$VTK_CFLAGS $CFLAGS"
CXXFLAGS="$VTK_CXXFLAGS $CXXFLAGS"
LDFLAGS="$VTK_LDFLAGS $LDFLAGS"
AC_MSG_NOTICE([checking with linker flags $LDFLAGS])
# tests common vtkIO library
if test "${VTK_MAJOR}" -gt "5" ; then
# for vtk versions 6+
lib_vtkIO=vtkIOCore$vtk_suffix
else
# for vtk versions <= 5
lib_vtkIO=vtkIO
fi
AC_MSG_NOTICE([checking VTK library file: -l$lib_vtkIO])
found_vtk_lib=no
AC_CHECK_LIB($lib_vtkIO, main, [found_vtk_lib=yes],
[if test "x$VTK_LIBS" != "x" ; then
LIBS="$LIBS -L$VTK_LIBS"
AC_MSG_NOTICE([ ... with LIBS: $LIBS])
AC_CHECK_LIB($lib_vtkIO, main, [found_vtk_lib=yes],
[ if test "${VTK_MAJOR}" -gt "5" ; then
# checks name without suffix
vtk_suffix=""
lib_vtkIO=vtkIOCore$vtk_suffix
AC_CHECK_LIB($lib_vtkIO, main, [found_vtk_lib=yes],[])
fi
])
fi
])
if test "$found_vtk_lib" != "yes"; then
# abort in case not found
AC_MSG_ERROR([could not find VTK libraries])
fi
# additional libraries
if test "${VTK_MAJOR}" -gt "5" ; then
# for vtk versions 6+
VTK_SUPPORT_LIBS="-lvtktiff$vtk_suffix -lvtkpng$vtk_suffix -lvtkjpeg$vtk_suffix -lvtkzlib$vtk_suffix -lvtkexpat$vtk_suffix -lvfw32 -lgdi32"
else
# for vtk versions <= 5
VTK_SUPPORT_LIBS="-lvtktiff -lvtkpng -lvtkjpeg -lvtkzlib -lvtkexpat -lvfw32 -lgdi32"
fi
if test "${VTK_MAJOR}" -gt "5" ; then
# version 6+
AC_CHECK_LIB(vtkIOXML$vtk_suffix, main)
AC_CHECK_LIB(vtkIOImage$vtk_suffix, main)
AC_CHECK_LIB(vtkDICOMParser$vtk_suffix, main)
AC_CHECK_LIB(vtkRenderingCore$vtk_suffix, main)
AC_CHECK_LIB(vtkRenderingLabel$vtk_suffix, main)
AC_CHECK_LIB(vtkRenderingAnnotation$vtk_suffix, main)
AC_CHECK_LIB(vtkFiltersCore$vtk_suffix, main)
AC_CHECK_LIB(vtkFiltersGeneric$vtk_suffix, main)
AC_CHECK_LIB(vtkCommonCore$vtk_suffix, main)
AC_CHECK_LIB(vtkInteractionStyle$vtk_suffix, main)
AC_CHECK_LIB(vtkzlib$vtk_suffix, main)
AC_CHECK_LIB(vtkexpat$vtk_suffix, main)
AC_CHECK_LIB(vtksys$vtk_suffix, main)
else
# version <= 5
AC_CHECK_LIB(vtkDICOMParser, main)
AC_CHECK_LIB(vtkRendering, main)
AC_CHECK_LIB(vtkGraphics, main)
AC_CHECK_LIB(vtkFiltering, main)
AC_CHECK_LIB(vtkGenericFiltering, main)
AC_CHECK_LIB(vtkCommon, main)
AC_CHECK_LIB(vtkzlib, main)
AC_CHECK_LIB(vtkexpat, main)
AC_CHECK_LIB(vtksys, main)
fi
AC_MSG_NOTICE([checking VTK library features in $lib_vtkIO])
AC_CHECK_LIB($lib_vtkIO, strcmp, [], [
# version check
if test "${VTK_MAJOR}" -gt "5" ; then
# version 6+
VTK_SUPPORT_LIBS="-lvtktiff$vtk_suffix -lvtkpng$vtk_suffix -lvtkjpeg$vtk_suffix -lvtkzlib$vtk_suffix -lvtkexpat$vtk_suffix"
else
# version <= 5
VTK_SUPPORT_LIBS="-lvtktiff -lvtkpng -lvtkjpeg -lvtkzlib -lvtkexpat"
fi
AC_CHECK_LIB($lib_vtkIO, abort, [], [
VTK_SUPPORT_LIBS="-ltiff -lpng -ljpeg -lz -lexpat"
AC_CHECK_LIB($lib_vtkIO, exit, [], [
VTK_SUPPORT_LIBS=""
AC_CHECK_LIB($lib_vtkIO, strstr, [], [
AC_MSG_ERROR([cannot link against VTK libraries])
], [$VTK_SUPPORT_LIBS])
], [$VTK_SUPPORT_LIBS])
], [$VTK_SUPPORT_LIBS])
], [$VTK_SUPPORT_LIBS])
if test "${VTK_MAJOR}" -gt "5" ; then
VTK_LIBS="-l$lib_vtkIO -lvtkIOXML$vtk_suffix -lvtkIOImage$vtk_suffix -lvtkDICOMParser$vtk_suffix -lvtkRenderingCore$vtk_suffix -lvtkRenderingLabel$vtk_suffix -lvtkRenderingAnnotation$vtk_suffix -lvtkFiltersCore$vtk_suffix -lvtkFiltersGeneric$vtk_suffix -lvtkCommonCore$vtk_suffix -lvtkInteractionStyle$vtk_suffix $VTK_SUPPORT_LIBS -lvtksys$vtk_suffix"
else
VTK_LIBS="-l$lib_vtkIO -lvtkDICOMParser -lvtkRendering -lvtkGraphics -lvtkFiltering -lvtkGenericFiltering -lvtkCommon $VTK_SUPPORT_LIBS -lvtksys"
fi
LIBS="$VTK_LIBS $LIBS"
dnl now, check that we don't exceed the specified version
if test -n "$1"; then
dnl the version of VTK we need
maj=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
min=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
rel=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
AC_MSG_CHECKING([if VTK version is at least $maj.$min.$rel])
dnl check if the installed VTK is greater or not
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <vtk/vtkConfigure.h>
#include <stdio.h>
]],[[
printf("VTK version is: %d.%d.%d",
VTK_MAJOR_VERSION,
VTK_MINOR_VERSION,
VTK_BUILD_VERSION);
#if VTK_MAJOR_VERSION < $maj
#error Installed VTK is too old!
#endif
#if VTK_MINOR_VERSION < $min
#error Installed VTK is too old!
#endif
#if VTK_BUILD_VERSION < $rel
#error Installed VTK is too old!
#endif
]])
], [vtkVersion="OK"])
dnl restore all flags without VTK values
CFLAGS=$OLD_CFLAGS
CXXFLAGS=$OLD_CXXFLAGS
LDFLAGS=$OLD_LDFLAGS
LIBS=$OLD_LIBS
if test "$vtkVersion" = "OK"; then
AC_MSG_RESULT([yes])
$2
else
AC_MSG_RESULT([no])
$3
fi
else
dnl restore all flags without VTK values
CFLAGS=$OLD_CFLAGS
CXXFLAGS=$OLD_CXXFLAGS
LDFLAGS=$OLD_LDFLAGS
LIBS=$OLD_LIBS
dnl if we don't have to check for minimum version
dnl (because the user did not set that option),
dnl then we can execute here the block action-if-found
$2
fi #if [[ -n "$1" ]];
dnl Don't move this up to where we restore flags, because it doesn't work.
AC_LANG_POP([C])
dnl Finally, define the C preprocessor variable HAVE_VTK
AC_DEFINE([HAVE_VTK],,[define if the VTK library is available])
fi # if [[ -z "$vtkFound" ]];
fi # $with_vtk != "no"
dnl Substitute the values of our VTK flags
AC_SUBST(VTK_MAJOR)
AC_SUBST(VTK_INCLUDES)
AC_SUBST(VTK_LDFLAGS)
AC_SUBST(VTK_LIBS)
])
# vim: syntax=config