258 lines
9.5 KiB
CMake
258 lines
9.5 KiB
CMake
# $Id: FindCasacore.cmake 14552 2009-11-26 16:12:40Z loose $
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#
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# - Try to find Casacore include dirs and libraries
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# Usage:
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# find_package(Casacore [REQUIRED] [COMPONENTS components...])
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# Valid components are:
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# casa, scimath_f, scimath, tables, measures, lattices,
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# fits, ms, coordinates, msfits, mirlib, images
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#
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# Note that most components are dependent on other (more basic) components.
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# In that case, it suffices to specify the "top-level" components; dependent
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# components will be searched for automatically.
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#
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# Here's the dependency tree:
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# scimath_f -> casa
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# scimath -> scimath_f
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# tables -> casa
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# measures -> scimath, tables
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# lattices -> scimath, tables
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# fits -> measures
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# ms -> measures
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# coordinates -> fits
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# msfits -> fits, ms
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# images -> mirlib, lattices
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#
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# Variables used by this module:
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# CASACORE_ROOT_DIR - Casacore root directory.
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#
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# Variables defined by this module:
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# CASACORE_FOUND - System has Casacore, which means that the
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# include dir was found, as well as all
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# libraries specified (not cached)
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# CASACORE_INCLUDE_DIR - Casacore include directory (cached)
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# CASACORE_INCLUDE_DIRS - Casacore include directories (not cached)
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# identical to CASACORE_INCLUDE_DIR
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# CASACORE_LIBRARIES - The Casacore libraries (not cached)
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# CASA_${COMPONENT}_LIBRARY - The absolute path of Casacore library
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# "component" (cached)
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# HAVE_AIPSPP - True if system has Casacore (cached)
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# for backward compatibility with AIPS++
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# HAVE_CASACORE - True if system has Casacore (cached)
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# identical to CASACORE_FOUND
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#
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# ATTENTION: The component names need to be in lower case, just as the
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# casacore library names. However, the CMake variables use all upper case.
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#
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#
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# Copyright (C) 2008-2009
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# ASTRON (Netherlands Foundation for Research in Astronomy)
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# P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, seg@astron.nl
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# - casacore_resolve_dependencies(_result)
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#
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# Resolve the Casacore library dependencies for the given components.
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# The list of dependent libraries will be returned in the variable result.
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# It is sorted from least dependent to most dependent library, so it can be
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# directly fed to the linker.
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#
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# Usage: casacore_resolve_dependencies(result components...)
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if (NOT "$ENV{CASACORE_ROOT_DIR}" STREQUAL "")
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set(CASACORE_ROOT_DIR "$ENV{CASACORE_ROOT_DIR}" CACHE INTERNAL "Got from environment variable")
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endif()
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macro(casacore_resolve_dependencies _result)
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set(${_result} ${ARGN})
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set(_index 0)
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# Do a breadth-first search through the dependency graph; append to the
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# result list the dependent components for each item in that list.
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# Duplicates will be removed later.
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while(1)
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list(LENGTH ${_result} _length)
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if(NOT _index LESS _length)
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break()
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endif(NOT _index LESS _length)
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list(GET ${_result} ${_index} item)
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list(APPEND ${_result} ${Casacore_${item}_DEPENDENCIES})
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math(EXPR _index "${_index}+1")
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endwhile(1)
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# Remove all duplicates in the current result list, while retaining only the
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# last of each duplicate.
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list(REVERSE ${_result})
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list(REMOVE_DUPLICATES ${_result})
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list(REVERSE ${_result})
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endmacro(casacore_resolve_dependencies _result)
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# - casacore_find_library(_name)
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#
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# Search for the library ${_name}.
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# If library is found, add it to CASACORE_LIBRARIES; if not, add ${_name}
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# to CASACORE_MISSING_COMPONENTS and set CASACORE_FOUND to false.
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#
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# Usage: casacore_find_library(name)
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#
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macro(casacore_find_library _name)
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string(TOUPPER ${_name} _NAME)
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find_library(${_NAME}_LIBRARY ${_name}
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HINTS ${CASACORE_ROOT_DIR} PATH_SUFFIXES lib)
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mark_as_advanced(${_NAME}_LIBRARY)
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if(${_NAME}_LIBRARY)
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list(APPEND CASACORE_LIBRARIES ${${_NAME}_LIBRARY})
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else(${_NAME}_LIBRARY)
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set(CASACORE_FOUND FALSE)
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list(APPEND CASACORE_MISSING_COMPONENTS ${_name})
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endif(${_NAME}_LIBRARY)
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endmacro(casacore_find_library _name)
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# - casacore_find_package(_name)
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#
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# Search for the package ${_name}.
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# If the package is found, add the contents of ${_name}_INCLUDE_DIRS to
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# CASACORE_INCLUDE_DIRS and ${_name}_LIBRARIES to CASACORE_LIBRARIES.
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#
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# If Casacore itself is required, then, strictly speaking, the packages it
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# requires must be present. However, when linking against static libraries
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# they may not be needed. One can override the REQUIRED setting by switching
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# CASACORE_MAKE_REQUIRED_EXTERNALS_OPTIONAL to ON. Beware that this might cause
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# compile and/or link errors.
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#
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# Usage: casacore_find_package(name [REQUIRED])
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#
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macro(casacore_find_package _name)
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if("${ARGN}" MATCHES "^REQUIRED$" AND
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Casacore_FIND_REQUIRED AND
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NOT CASACORE_MAKE_REQUIRED_EXTERNALS_OPTIONAL)
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find_package(${_name} REQUIRED)
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else()
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find_package(${_name})
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endif()
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if(${_name}_FOUND)
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list(APPEND CASACORE_INCLUDE_DIRS ${${_name}_INCLUDE_DIRS})
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list(APPEND CASACORE_LIBRARIES ${${_name}_LIBRARIES})
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endif(${_name}_FOUND)
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endmacro(casacore_find_package _name)
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# Define the Casacore components.
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set(Casacore_components
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casa
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coordinates
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fits
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images
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lattices
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measures
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mirlib
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ms
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msfits
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scimath
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scimath_f
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tables
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)
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# Define the Casacore components' inter-dependencies.
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set(Casacore_coordinates_DEPENDENCIES fits)
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set(Casacore_fits_DEPENDENCIES measures)
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set(Casacore_images_DEPENDENCIES lattices mirlib)
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set(Casacore_lattices_DEPENDENCIES scimath tables)
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set(Casacore_measures_DEPENDENCIES scimath tables)
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set(Casacore_ms_DEPENDENCIES measures)
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set(Casacore_msfits_DEPENDENCIES fits ms)
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set(Casacore_scimath_DEPENDENCIES scimath_f)
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set(Casacore_scimath_f_DEPENDENCIES casa)
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set(Casacore_tables_DEPENDENCIES casa)
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# Initialize variables.
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set(CASACORE_FOUND FALSE)
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set(CASACORE_DEFINITIONS)
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set(CASACORE_LIBRARIES)
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set(CASACORE_MISSING_COMPONENTS)
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# Search for the header file first. Note that casacore installs the header
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# files in ${prefix}/include/casacore, instead of ${prefix}/include.
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if(NOT CASACORE_INCLUDE_DIR)
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find_path(CASACORE_INCLUDE_DIR casacore/casa/aips.h
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HINTS ${CASACORE_ROOT_DIR} PATH_SUFFIXES include)
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mark_as_advanced(CASACORE_INCLUDE_DIR)
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endif(NOT CASACORE_INCLUDE_DIR)
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if(NOT CASACORE_INCLUDE_DIR)
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set(CASACORE_ERROR_MESSAGE "Casacore: unable to find the header file casa/aips.h.\nPlease set CASACORE_ROOT_DIR to the root directory containing Casacore.")
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else(NOT CASACORE_INCLUDE_DIR)
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# We've found the header file; let's continue.
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set(CASACORE_FOUND TRUE)
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set(CASACORE_INCLUDE_DIRS ${CASACORE_INCLUDE_DIR} ${CASACORE_INCLUDE_DIR}/casacore)
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# If the user specified components explicity, use that list; otherwise we'll
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# assume that the user wants to use all components.
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if(NOT Casacore_FIND_COMPONENTS)
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set(Casacore_FIND_COMPONENTS ${Casacore_components})
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endif(NOT Casacore_FIND_COMPONENTS)
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# Get a list of all dependent Casacore libraries that need to be found.
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casacore_resolve_dependencies(_find_components ${Casacore_FIND_COMPONENTS})
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# Find the library for each component, and handle external dependencies
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foreach(_comp ${_find_components})
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casacore_find_library(casa_${_comp})
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if(${_comp} STREQUAL casa)
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# casacore_find_package(HDF5)
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casacore_find_library(m)
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list(APPEND CASACORE_LIBRARIES ${CMAKE_DL_LIBS})
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elseif(${_comp} STREQUAL coordinates)
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casacore_find_package(WcsLib REQUIRED)
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elseif(${_comp} STREQUAL fits)
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casacore_find_package(CfitsIO REQUIRED)
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elseif(${_comp} STREQUAL scimath_f)
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casacore_find_package(LAPACK REQUIRED)
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endif(${_comp} STREQUAL casa)
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endforeach(_comp ${_find_components})
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endif(NOT CASACORE_INCLUDE_DIR)
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# Set HAVE_CASACORE; and HAVE_AIPSPP (for backward compatibility with AIPS++).
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if(CASACORE_FOUND)
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set(HAVE_CASACORE TRUE CACHE INTERNAL "Define if Casacore is installed")
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set(HAVE_AIPSPP TRUE CACHE INTERNAL "Define if AIPS++/Casacore is installed")
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endif(CASACORE_FOUND)
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# Compose diagnostic message if not all necessary components were found.
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if(CASACORE_MISSING_COMPONENTS)
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set(CASACORE_ERROR_MESSAGE "Casacore: the following components could not be found:\n ${CASACORE_MISSING_COMPONENTS}")
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endif(CASACORE_MISSING_COMPONENTS)
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# Print diagnostics.
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if(CASACORE_FOUND)
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if(NOT Casacore_FIND_QUIETLY)
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message(STATUS "Found the following Casacore components: ")
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foreach(comp ${_find_components})
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message(STATUS " ${comp}")
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endforeach(comp ${_find_components})
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endif(NOT Casacore_FIND_QUIETLY)
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else(CASACORE_FOUND)
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if(Casacore_FIND_REQUIRED)
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message(FATAL_ERROR "${CASACORE_ERROR_MESSAGE}")
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else(Casacore_FIND_REQUIRED)
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message(STATUS "${CASACORE_ERROR_MESSAGE}")
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endif(Casacore_FIND_REQUIRED)
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endif(CASACORE_FOUND)
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