Gabriele Cosmo
121 lines
4.8 KiB
CMake
121 lines
4.8 KiB
CMake
# - Try to find CLHEP library on *NIX Platforms
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#
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# Once done this will define
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#
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# CLHEP_FOUND - system has the required CLHEP library
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# CLHEP_INCLUDE_DIRS- the CLHEP include directory
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# CLHEP_LIBRARIES - the libraries needed to use CLHEP
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# CLHEP_VERSION_OK - Flag indicating if discovered version satisfies
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# versioning requirements.
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#
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# Usage of this module as follows:
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#
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# FIND_PACKAGE(CLHEP 2.0.3.3 [EXACT] [REQUIRED|QUIET])
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#
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# Variables used by this module, which can change the default behaviour and
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# need to be set before calling find_package:
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#
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#
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# CLHEP_CONFIG_EXECUTABLE All information on the CLHEP installation is
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# derived from the clhep-config program. Set this
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# variable to the full path to clhep-config if
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# the module has problems finding the proper
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# CLHEP installation (Cached).
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#
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# CLHEP_MAX_VERSION Set this variable to maximum version number
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# required, in the format "x.y.z" or "x.y". This
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# is used with any version number supplied to
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# FIND_PACKAGE to do a range check on the
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# discovered version.
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#
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# The module uses the following logic to perform version checking
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#
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# 1) FIND_PACKAGE version a.b.c supplied, EXACT set:
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# Check and require that discovered version x.y.z == a.b.c
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# CLHEP_MAX_VERSION ignored.
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#
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# 2) FIND_PACKAGE version a.b.c supplied
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# i) If CLHEP_MAX_VERSION not set, check and require that discovered version
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# x.y.z >= a.b.c
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# ii) If CLHEP_MAX_VERSION p.q.r set, check and require that discovered
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# version x.y.z satisfies a.b.c <= x.y.z < p.q.r
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#
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# 3) FIND_PACKAGE version a.b.c NOT supplied
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# i) If CLHEP_MAX_VERSION not set, not version check performed.
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# ii) If CLHEP_MAX_VERSION p.q.r set, check and require that discovered
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# version x.y.z < p.q.r
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#
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# Copyright (c) 2009, Ben Morgan, <Ben.Morgan@warwick.ac.uk>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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include(ResolveCompilerPaths)
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include(MacroEnsureVersion)
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if (CLHEP_FOUND)
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# We already found CLHEP
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# For now ignore different versioning between calls - yes makes no sense
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# for subcalls to recheck?
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set(CLHEP_FIND_QUIETLY TRUE)
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else ()
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# Find the clhep-config program
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find_program(CLHEP_CONFIG_EXECUTABLE NAMES clhep-config)
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# Reset vars
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set(CLHEP_LIBRARIES)
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set(CLHEP_INCLUDE_DIRS)
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set(CLHEP_VERSION_OK)
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# If we find it...
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if (CLHEP_CONFIG_EXECUTABLE)
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# Check version first
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execute_process(COMMAND ${CLHEP_CONFIG_EXECUTABLE} --version OUTPUT_VARIABLE CLHEP_DISCOVERED_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
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message(STATUS "Found CLHEP version: ${CLHEP_DISCOVERED_VERSION}")
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# VERSIONING CHECK
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# At the end of this section, CLHEP_VERSION_OK will be true if
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# discovered version satisfies requirements
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if (CLHEP_FIND_VERSION AND CLHEP_FIND_VERSION_EXACT)
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if ("CLHEP ${CLHEP_FIND_VERSION}" STREQUAL ${CLHEP_DISCOVERED_VERSION})
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set(CLHEP_VERSION_OK TRUE)
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else ()
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set(CLHEP_VERSION_OK FALSE)
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endif ()
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elseif (CLHEP_FIND_VERSION AND NOT CLHEP_FIND_VERSION_EXACT)
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if (CLHEP_MAX_VERSION)
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MACRO_ENSURE_VERSION_RANGE("${CLHEP_FIND_VERSION}" "${CLHEP_DISCOVERED_VERSION}" "${CLHEP_MAX_VERSION}" CLHEP_VERSION_OK)
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else ()
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MACRO_ENSURE_VERSION("${CLHEP_FIND_VERSION}" "${CLHEP_DISCOVERED_VERSION}" CLHEP_VERSION_OK)
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endif()
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else ()
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if (CLHEP_MAX_VERSION)
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MACRO_ENSURE_VERSION_RANGE("0.0.0.0" "${CLHEP_DISCOVERED_VERSION}" "${CLHEP_MAX_VERSION}" CLHEP_VERSION_OK)
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else()
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set(CLHEP_VERSION_OK TRUE)
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endif ()
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endif ()
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# END OF VERSIONING CHECKS
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# Use clhep-config to find libs and includes
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execute_process(COMMAND ${CLHEP_CONFIG_EXECUTABLE} --libs OUTPUT_VARIABLE CLHEP_CONFIG_LIBS OUTPUT_STRIP_TRAILING_WHITESPACE)
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execute_process(COMMAND ${CLHEP_CONFIG_EXECUTABLE} --include OUTPUT_VARIABLE CLHEP_CONFIG_INCLUDE_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
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# Did we succeed?
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if (CLHEP_CONFIG_LIBS AND CLHEP_CONFIG_INCLUDE_DIR)
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#Resolve the includes and libraries
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RESOLVE_INCLUDES(CLHEP_INCLUDE_DIRS ${CLHEP_CONFIG_INCLUDE_DIR})
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RESOLVE_LIBRARIES(CLHEP_LIBRARIES ${CLHEP_CONFIG_LIBS})
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endif ()
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endif ()
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endif ()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(CLHEP "Failed to find CLHEP" CLHEP_VERSION_OK CLHEP_LIBRARIES CLHEP_INCLUDE_DIRS)
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mark_as_advanced(CLHEP_CONFIG_EXECUTABLE)
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