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a first concept
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‎CMakeLists.txt

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#########################################################################
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#
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# BRL-CAD
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#
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# Copyright (c) 2011-2020 United States Government as represented by
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# the U.S. Army Research Laboratory.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# version 2.1 as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this file; see the file named COPYING for more
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# information.
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#
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#########################################################################
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# @file CMakeLists.txt
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#########################################################################
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CMAKE_MINIMUM_REQUIRED(VERSION 3.1.3)
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PROJECT(MOOSE)
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SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
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# We need BRL-CAD
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FIND_PACKAGE(BRLCAD REQUIRED)
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IF(BRLCAD_VERSION_FOUND)
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SET(VERSION_H_CONTENT
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"#define BRLCAD_LIB_MAJOR ${BRLCAD_MAJOR_VERSION}\n"
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"#define BRLCAD_LIB_MINOR ${BRLCAD_MINOR_VERSION}\n"
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"#define BRLCAD_LIB_PATCH ${BRLCAD_PATCH_VERSION}\n"
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)
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FILE(WRITE ${CMAKE_BINARY_DIR}/include/brlcad/version.h ${VERSION_H_CONTENT})
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ADD_SUBDIRECTORY(src)
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ELSE(BRLCAD_VERSION_FOUND)
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MESSAGE(STATUS "\tCould not find BRL-CAD")
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ENDIF(BRLCAD_VERSION_FOUND)

‎README.md

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# BRL-CAD MOOSE
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MOOSE shall become the new API of the BRL-CAD (https://brlcad.org, https://github.com/BRL-CAD) core.
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The acronym stands for Modular Object-Oriented Solidity Engine.
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This repository demonstrates a concept of the API.
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It is based on the C++ core interface work in rt^3.

‎cmake/FindBRLCAD.cmake

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#########################################################################
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#
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# BRL-CAD
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#
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# Copyright (c) 1997-2020 United States Government as represented by
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# the U.S. Army Research Laboratory.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# version 2.1 as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this file; see the file named COPYING for more
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# information.
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#
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#########################################################################
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# @file cmake/FindBRLCAD.cmake
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#
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# Try to find brlcad libraries.
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# Once done, this will define:
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#
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# BRLCAD_FOUND - system has BRL-CAD
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# BRLCAD_VERSION - the BRL-CAD version string
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# BRLCAD_INCLUDE_DIRS - the BRL-CAD include directories
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# BRLCAD_LIBRARIES - link these to use the BRL-CAD Libraries
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#
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# BRLCAD_ANALYZE_LIBRARY - BRL-CAD Analysis library
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# BRLCAD_BN_LIBRARY - BRL-CAD Numerical library
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# BRLCAD_BU_LIBRARY - BRL-CAD Utility library
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# BRLCAD_CURSOR_LIBRARY - libcursor
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# BRLCAD_DM_LIBRARY - BRL-CAD Display Manager library
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# BRLCAD_FB_LIBRARY - BRL-CAD Frame Buffer library
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# BRLCAD_FFT_LIBRARY - BRL-CAD FFT library
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# BRLCAD_GCV_LIBRARY - BRL-CAD Geometry Conversion library
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# BRLCAD_GED_LIBRARY - BRL-CAD Geometry Editing library
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# BRLCAD_ICV_LIBRARY - BRL-CAD Image Conversion library
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# BRLCAD_MULTISPECTRAL_LIBRARY - BRL-CAD multispectral library
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# BRLCAD_NMG_LIBRARY - BRL-CAD non-manifold geometry library
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# BRLCAD_OPTICAL_LIBRARY - BRL-CAD optical library
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# BRLCAD_ORLE_LIBRARY - liborle
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# BRLCAD_PKG_LIBRARY - BRL-CAD libpkg
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# BRLCAD_RENDER_LIBRARY - librender
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# BRLCAD_RT_LIBRARY - BRL-CAD Raytracing library
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# BRLCAD_SYSV_LIBRARY - libsysv
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# BRLCAD_TERMIO_LIBRARY - libtermio (non WIN32 systems)
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# BRLCAD_WDB_LIBRARY - BRL-CAD Write Database library
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#
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# Technically these are external but we need the versions
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# tweaked for BRL-CAD. If a developer wishes to use the
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# BRL-CAD altered versions of these libraries to satisfy a
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# "generic" request for the library, they'll need to assign
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# the results of these variables to the non-BRL-CAD specific
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# variables they are using
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#
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# BRLCAD_EXPPP_LIBRARY - SCL libexppp library
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# BRLCAD_EXPRESS_LIBRARY - SCL libexpress library
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# BRLCAD_STEPCORE_LIBRARY - SCL core library
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# BRLCAD_STEPDAI_LIBRARY - SCL dai library
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# BRLCAD_STEPEDITOR_LIBRARY - SCL editor library
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# BRLCAD_STEPUTILS_LIBRARY - SCL utils library
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# BRLCAD_OPENNURBS_LIBRARY - openNURBS library
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#
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# In addition to the above variables, which are essentially unique
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# to BRL-CAD, this routine will look for local copies of libraries
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# installed with BRL-CAD and return their results as would a
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# standard find_package for that library (if one exists). The
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# distinction between these libraries and those above is that these
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# libraries do not have known modifications required by BRL-CAD that
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# preclude system libraries from substituting for them, although
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# if BRL-CAD was compiled against local versions of these it is
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# not guaranteed (or in some cases expected) that a found system
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# version will successfully replace the local copy.
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#
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# libregex
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# libpng
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# zlib
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# libtermlib
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# tcl/tk
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# Togl
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# utahrle
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#
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#########################################################################
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SET(BRLCAD_ROOT "$ENV{BRLCAD_ROOT}")
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IF(BRLCAD_BASE_DIR AND BRLCAD_ROOT)
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MESSAGE("Warning - BRLCAD_ROOT was found but is overridden by BRLCAD_BASE_DIR")
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ELSE(BRLCAD_BASE_DIR AND BRLCAD_ROOT)
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IF(BRLCAD_ROOT)
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SET(BRLCAD_BASE_DIR ${BRLCAD_ROOT})
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ENDIF(BRLCAD_ROOT)
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ENDIF(BRLCAD_BASE_DIR AND BRLCAD_ROOT)
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#First, find the install directories.
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IF(NOT BRLCAD_BASE_DIR)
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#try looking for BRL-CAD's brlcad-config - it should give us
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#a location for bin, and the parent will be the root dir
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IF(NOT BRLCAD_BASE_DIR)
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FIND_PROGRAM(BRLCAD_CONFIGEXE brlcad-config)
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IF(BRLCAD_CONFIGEXE)
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EXEC_PROGRAM(brlcad-config ARGS --prefix OUTPUT_VARIABLE BRLCAD_BASE_DIR)
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ENDIF(BRLCAD_CONFIGEXE)
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ENDIF(NOT BRLCAD_BASE_DIR)
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#if that didn't work, see if we can find brlcad-config and use the parent path
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IF(NOT BRLCAD_BASE_DIR)
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FIND_PATH(BRLCAD_BIN_DIR brlcad-config)
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IF(BRLCAD_BIN_DIR)
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GET_FILENAME_COMPONENT(BRLCAD_BASE_DIR ${BRLCAD_BIN_DIR} PATH)
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ENDIF(BRLCAD_BIN_DIR)
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ENDIF(NOT BRLCAD_BASE_DIR)
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#Look for headers if we come up empty with brlcad-config
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IF(NOT BRLCAD_BASE_DIR)
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SET(BRLCAD_HEADERS_DIR_CANDIDATES
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/usr/brlcad/include/brlcad
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/usr/local/brlcad/include/brlcad
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)
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FIND_PATH(BRLCAD_HEADERS_DIR NAMES bu.h bn.h rt.h PATHS ${BRLCAD_HEADERS_DIR_CANDIDATES})
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IF(BRLCAD_HEADERS_DIR)
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GET_FILENAME_COMPONENT(BRLCAD_BASE_DIR ${BRLCAD_HEADERS_DIR} PATH)
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ENDIF(BRLCAD_HEADERS_DIR)
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ENDIF(NOT BRLCAD_BASE_DIR)
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IF(NOT BRLCAD_BASE_DIR)
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MESSAGE(FATAL_ERROR "\nCould not find BRL-CAD root directory - please set BRLCAD_BASE_DIR in CMake")
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ENDIF(NOT BRLCAD_BASE_DIR)
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ENDIF(NOT BRLCAD_BASE_DIR)
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#Find include directories
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IF(NOT BRLCAD_HEADERS_DIR)
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FIND_PATH(BRLCAD_HEADERS_DIR NAMES bu.h HINTS ${BRLCAD_BASE_DIR} PATH_SUFFIXES include/brlcad)
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GET_FILENAME_COMPONENT(BRLCAD_HEADERS_PARENT_DIR ${BRLCAD_HEADERS_DIR} PATH)
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ENDIF(NOT BRLCAD_HEADERS_DIR)
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FIND_PATH(BRLCAD_OPENNURBS_HEADERS_DIR NAMES opennurbs.h HINTS ${BRLCAD_BASE_DIR} PATH_SUFFIXES include/openNURBS include/opennurbs)
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SET(BRLCAD_INCLUDE_DIRS ${BRLCAD_HEADERS_PARENT_DIR} ${BRLCAD_HEADERS_DIR} ${BRLCAD_OPENNURBS_HEADERS_DIR})
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SET(BRLCAD_INCLUDE_DIRS ${BRLCAD_INCLUDE_DIRS} CACHE STRING "BRL-CAD include directories")
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#Find library directory
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IF(CMAKE_LINK_LIBRARY_SUFFIX)
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FIND_PATH(BRLCAD_LIB_DIR "libbu${CMAKE_LINK_LIBRARY_SUFFIX}" PATHS ${BRLCAD_BASE_DIR} PATH_SUFFIXES lib libs bin)
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ELSE(CMAKE_LINK_LIBRARY_SUFFIX)
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FIND_PATH(BRLCAD_LIB_DIR "libbu${CMAKE_SHARED_LIBRARY_SUFFIX}" PATHS ${BRLCAD_BASE_DIR} PATH_SUFFIXES lib libs bin)
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ENDIF(CMAKE_LINK_LIBRARY_SUFFIX)
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#Find binary directory
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IF(NOT BRLCAD_BIN_DIR)
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FIND_PATH(BRLCAD_BIN_DIR brlcad-config PATHS ${BRLCAD_BASE_DIR} PATH_SUFFIXES bin)
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ENDIF(NOT BRLCAD_BIN_DIR)
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#Attempt to get brlcad version.
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IF(NOT BRLCAD_CONFIGEXE)
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FIND_PROGRAM(BRLCAD_CONFIGEXE brlcad-config)
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ENDIF(NOT BRLCAD_CONFIGEXE)
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IF(BRLCAD_CONFIGEXE)
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EXECUTE_PROCESS(COMMAND ${BRLCAD_CONFIGEXE} --version OUTPUT_VARIABLE BRLCAD_VERSION)
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STRING(STRIP "${BRLCAD_VERSION}" BRLCAD_VERSION)
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IF(BRLCAD_VERSION)
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STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" BRLCAD_MAJOR_VERSION "${BRLCAD_VERSION}")
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STRING(REGEX REPLACE "[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" BRLCAD_MINOR_VERSION "${BRLCAD_VERSION}")
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STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" BRLCAD_PATCH_VERSION "${BRLCAD_VERSION}")
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SET(BRLCAD_VERSION_FOUND TRUE)
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ELSE(BRLCAD_VERSION)
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MESSAGE(WARNING "\t\t'brlcad-config --version' was found and executed, but produced no output.")
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SET(BRLCAD_VERSION_FOUND FALSE)
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ENDIF(BRLCAD_VERSION)
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ELSE(BRLCAD_CONFIGEXE)
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IF(BRLCAD_VERSION)
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STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" BRLCAD_MAJOR_VERSION "${BRLCAD_VERSION}")
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STRING(REGEX REPLACE "[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" BRLCAD_MINOR_VERSION "${BRLCAD_VERSION}")
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STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" BRLCAD_PATCH_VERSION "${BRLCAD_VERSION}")
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SET(BRLCAD_VERSION_FOUND TRUE)
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ELSE(BRLCAD_VERSION)
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MESSAGE(WARNING "Could not locate 'brlcad-config' - please set BRLCAD_VERSION in CMake")
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SET(BRLCAD_VERSION_FOUND FALSE)
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ENDIF(BRLCAD_VERSION)
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ENDIF(BRLCAD_CONFIGEXE)
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#TODO figure out why brlcad-config isn't present on Windows.
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##########################################################################
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# First, search for BRL-CAD's own libraries
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SET(BRL-CAD_LIBS_SEARCH_LIST
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analyze
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bn
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bu
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cursor
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dm
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fb
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fft
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gcv
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ged
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icv
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multispectral
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nmg
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optical
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orle
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pkg
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render
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rt
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sysv
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termio
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wdb
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)
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FOREACH(brl_lib ${BRL-CAD_LIBS_SEARCH_LIST})
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STRING(TOUPPER ${brl_lib} LIBCORE)
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FIND_LIBRARY(BRLCAD_${LIBCORE}_LIBRARY NAMES ${brl_lib} lib${brl_lib} PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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IF(BRLCAD_${LIBCORE}_LIBRARY)
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SET(BRLCAD_LIBRARIES ${BRLCAD_LIBRARIES} ${BRLCAD_${LIBCORE}_LIBRARY})
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ELSE(BRLCAD_${LIBCORE}_LIBRARY)
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SET(BRLCAD_LIBRARIES_NOTFOUND ${BRLCAD_LIBRARIES_NOTFOUND} ${brl_lib})
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ENDIF(BRLCAD_${LIBCORE}_LIBRARY)
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ENDFOREACH(brl_lib ${BRL-CAD_LIBS_SEARCH_LIST})
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# Then, look for customized src/other libraries that we need
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# local versions of
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SET(BRL-CAD_SRC_OTHER_REQUIRED
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exppp
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express
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stepcore
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stepdai
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stepeditor
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steputils
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openNURBS
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)
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FOREACH(ext_lib ${BRL-CAD_LIBS_SEARCH_LIST})
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STRING(TOUPPER ${ext_lib} LIBCORE)
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FIND_LIBRARY(BRLCAD_${LIBCORE}_LIBRARY NAMES ${ext_lib} lib${ext_lib} PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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IF(BRLCAD_${LIBCORE}_LIBRARY)
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SET(BRLCAD_LIBRARIES ${BRLCAD_LIBRARIES} ${BRLCAD_${LIBCORE}_LIBRARY})
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ELSE(BRLCAD_${LIBCORE}_LIBRARY)
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SET(BRLCAD_LIBRARIES_NOTFOUND ${BRLCAD_LIBRARIES_NOTFOUND} ${ext_lib})
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ENDIF(BRLCAD_${LIBCORE}_LIBRARY)
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ENDFOREACH(ext_lib ${BRL-CAD_LIBS_SEARCH_LIST})
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# Lastly, we need to check for local installs in the BRL-CAD install of
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# libraries that might otherwise be present on the system - if they are
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# found in the BRL-CAD install tree, use those versions instead of any
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# system results by setting the variables a find_package result would
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# produce.
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# zlib
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FIND_LIBRARY(ZLIB_LIBRARY NAMES z zlib zdll PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_PATH(ZLIB_INCLUDE_DIR zlib.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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SET(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
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SET(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR})
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# libregex
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FIND_LIBRARY(REGEX_LIBRARY NAMES regex libregex PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_PATH(REGEX_INCLUDE_DIR regex.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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# libpng
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FIND_LIBRARY(PNG_LIBRARY NAMES png libpng png14 libpng14 png14d libpng14d PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_PATH(PNG_PNG_INCLUDE_DIR png.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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SET(PNG_INCLUDE_DIR ${PNG_PNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR} )
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SET(PNG_LIBRARIES ${PNG_LIBRARY} ${ZLIB_LIBRARY})
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# libtermlib
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FIND_LIBRARY(TERMLIB_LIBRARY NAMES termlib libtermlib PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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# utahrle
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FIND_LIBRARY(UTAHRLE_LIBRARY NAMES utahrle libutahrle PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_PATH(UTAHRLE_INCLUDE_DIR rle.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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# tcl/tk
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FIND_PROGRAM(TCL_TCLSH_EXECUTABLE NAMES tclsh tclsh85 tclsh8.5 tclsh-8.5 tclsh-85 PATHS ${BRLCAD_BIN_DIR} NO_SYSTEM_PATH)
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SET(TCL_TCLSH ${TCL_TCLSH_EXECUTABLE})
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FIND_PROGRAM(TCL_WISH_EXECUTABLE NAMES wish wish85 wish8.5 wish-8.5 wish-85 PATHS ${BRLCAD_BIN_DIR} NO_SYSTEM_PATH)
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SET(TK_WISH ${TCL_WISH_EXECUTABLE})
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FIND_LIBRARY(TCL_LIBRARY NAMES tcl tcl85 tcl8.5 tcl-8.5 tcl-85 PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_LIBRARY(TCL_TK_LIBRARY NAMES tk tk85 tk8.5 tk-8.5 tk-85 PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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SET(TCL_LIBRARIES ${TCL_LIBRARY} ${TCL_TK_LIBRARY})
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SET(TK_LIBRARY ${TCL_TK_LIBRARY})
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GET_FILENAME_COMPONENT(TCL_CONF_PREFIX ${TCL_LIBRARY} PATH)
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SET(TK_CONF_PREFIX ${TCL_CONF_PREFIX})
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SET(TCL_TK_CONF_PREFIX ${TCL_CONF_PREFIX})
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FIND_LIBRARY(TCL_STUB_LIBRARY NAMES tclstub tclstub85 tclstub8.5 tclstub-8.5 tclstub-85 PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_LIBRARY(TCL_TK_STUB_LIBRARY NAMES tkstub tkstub85 tkstub8.5 tkstub-8.5 tkstub-85 PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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SET(TCL_STUB_LIBRARIES ${TCL_STUB_LIBRARY} ${TCL_TK_STUB_LIBRARY})
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SET(TK_STUB_LIBRARY ${TCL_TK_STUB_LIBRARY})
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FIND_PATH(TCL_INCLUDE_PATH tcl.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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FIND_PATH(TK_INCLUDE_PATH tk.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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SET(TCL_INCLUDE_DIRS ${TCL_INCLUDE_PATH} ${TK_INCLUDE_PATH})
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# Togl
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FIND_LIBRARY(TOGL_LIBRARY NAMES togl PATHS ${BRLCAD_LIB_DIR} NO_SYSTEM_PATH)
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FIND_PATH(TOGL_INCLUDE_DIR NAMES togl/togl.h PATHS ${BRLCAD_INCLUDE_DIRS} NO_SYSTEM_PATH)
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##########################################################################
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#Print status
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IF(BRLCAD_VERSION)
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MESSAGE(STATUS "Found BRL-CAD ${BRLCAD_VERSION} at ${BRLCAD_BASE_DIR}")
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ELSE(BRLCAD_VERSION)
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MESSAGE(STATUS "Found BRL-CAD at ${BRLCAD_BASE_DIR}")
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ENDIF(BRLCAD_VERSION)
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#Set found flag - TODO: this is wrong, need to set this based on variables
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SET(BRLCAD_FOUND TRUE)

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