CMakeUserFindOpenTURNS

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---

File:FindOpenTURNS.cmake

---

   #  -- Try to find OpenTURNS
   #
   #  OpenTURNS is an Open source initiative to Treat Uncertainties,
   #  Risks’N Statistics in a structured industrial approach,
   #  available at http://www.openturns.org/
   #
   #  ---------------------------------------------------------------------
   #
   #  -- Library usage example :
   #
   #  find_package (OpenTURNS 0.13.1)
   #  if (OPENTURNS_FOUND)
   #     include_directories (${OPENTURNS_INCLUDE_DIRS})
   #     add_executable (foo foo.cpp)
   #     target_link_libraries (foo ${OPENTURNS_LIBRARIES})
   #  endif ()
   #
   #  -- Module usage example :
   #
   #  find_package (OpenTURNS 0.13 COMPONENTS Trapezoidal)
   #  if (OPENTURNS_TRAPEZOIDAL_FOUND)
   #     include_directories (${OPENTURNS_TRAPEZOIDAL_INCLUDE_DIRS})
   #     add_executable (foo foo.cpp)
   #     target_link_libraries (foo ${OPENTURNS_TRAPEZOIDAL_LIBRARIES})
   #  endif ()
   #
   #  -- Show some debug information :
   #
   #  set (OPENTURNS_DEBUG TRUE)
   #  find_package (OpenTURNS)
   #
   #  ---------------------------------------------------------------------
   #
   #  -- This module defines :
   #
   #  OPENTURNS_FOUND - OpenTURNS is usable as a library
   #  OPENTURNS_INCLUDE_DIR - Where to find OT.hxx
   #  OPENTURNS_INCLUDE_DIRS - dependencies include directories
   #  OPENTURNS_SWIG_INCLUDE_DIR - Include directory to swig (.i) interface
   #  OPENTURNS_VERSION - Version string
   #  OPENTURNS_LIBRARY - Where to find the library
   #  OPENTURNS_LIBRARIES - Link these to use the library
   #  OPENTURNS_ROOT_DIR - Installation directory
   #  OPENTURNS_EXAMPLES_DIR - path to examples programs
   #
   #  OPENTURNS_WRAPPER_FOUND - OpenTURNS wrapper library is usable
   #  OPENTURNS_WRAPPER_DIR - Wrapper directory
   #  OPENTURNS_WRAPPER_LIBRARIES - Link these to use the wrapper
   #  OPENTURNS_WRAPPER_DEFINITIONS - Compiler switches required for wrapper
   #
   #  OPENTURNS_MODULE_DIR - OpenTURNS module directory
   #  OPENTURNS_MODULE_DEFINITIONS - Compiler switches required for module
   #  OPENTURNS_NAME_FOUND - True if module NAME was found
   #  OPENTURNS_NAME_INCLUDE_DIR - Module NAME headers
   #  OPENTURNS_NAME_INCLUDE_DIRS - Module NAME includes
   #  OPENTURNS_NAME_SWIG_INCLUDE_DIR - Module NAME swig (.i) headers
   #  OPENTURNS_NAME_LIBRARY - Module NAME library location
   #  OPENTURNS_NAME_LIBRARIES - Module NAME libraries location
   #  Macro add_module_extra_definitions(MODULE_NAME VERSION)
   #  MUST be called when building a module
   #
   #  ---------------------------------------------------------------------
   #
   #  Copyright (c) 2009 Mathieu Lapointe <lapointe@phimeca.com>
   #  Copyright (c) 2010 Julien Schueller <schueller@phimeca.com>
   #
   #  Redistribution and use is allowed according to the terms of the New
   #  BSD license.
   #  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
   #

   include (CheckFunctionExists)
   include (CheckIncludeFileCXX)

   # check dependencies quietly
   if (OpenTURNS_FIND_QUIETLY)
     # except when debugging
     if (NOT OPENTURNS_DEBUG)
       set (_FIND_ARG QUIET)
     endif ()
   endif ()

   # libxml
   if (NOT LIBXML2_FOUND)
     find_package (LibXml2 2.6.27 ${_FIND_ARG})
   endif ()

   # python
   if (NOT PYTHONLIBS_FOUND)
     find_package (PythonLibs 2.5 ${_FIND_ARG})
   endif()

   # include dir
   if (NOT OPENTURNS_INCLUDE_DIR)
     find_path (OPENTURNS_INCLUDE_DIR
       NAMES
         OT.hxx
       PATHS
         ${OPENTURNS_ROOT_DIR}/include
         C:/OpenTURNS/include
       PATH_SUFFIXES
         openturns
       DOC
         "OpenTURNS include directory"
     )
   endif ()

   # set swig include dir
   if (NOT OPENTURNS_SWIG_INCLUDE_DIR)
     set(OPENTURNS_SWIG_INCLUDE_DIR "${OPENTURNS_INCLUDE_DIR}/swig")
   endif ()

   # dependencies includes
   if (NOT OPENTURNS_INCLUDE_DIRS)
     if (OPENTURNS_INCLUDE_DIR)
       set (OPENTURNS_INCLUDE_DIRS ${OPENTURNS_INCLUDE_DIR})
     endif ()
     list (APPEND OPENTURNS_INCLUDE_DIRS ${LIBXML2_INCLUDE_DIR})
     list (APPEND OPENTURNS_INCLUDE_DIRS ${PYTHON_INCLUDE_DIRS}) # cmake >= 2.8.0
     list (APPEND OPENTURNS_INCLUDE_DIRS ${PYTHON_INCLUDE_PATH}) # cmake <= 2.6.4
   endif ()

   # version
   if (NOT OPENTURNS_VERSION)
     if (OPENTURNS_INCLUDE_DIR)
       file (STRINGS "${OPENTURNS_INCLUDE_DIR}/OTconfig.h" _VERSION_STRING
         REGEX ".*PACKAGE_VERSION.*")
       string (REGEX REPLACE ".*_VERSION[ ]+\"([0-9]+\\.[0-9]+\\.[0-9]+).*" "\\1" OPENTURNS_VERSION "${_VERSION_STRING}")
     endif ()
   endif ()

   # check version
   set (_OPENTURNS_VERSION_MATCH TRUE)
   set (_REQUIRED_VERSION "${OpenTURNS_FIND_VERSION_MAJOR}.${OpenTURNS_FIND_VERSION_MINOR}.${OpenTURNS_FIND_VERSION_PATCH}")
   if (OpenTURNS_FIND_VERSION)
     if (OpenTURNS_FIND_VERSION_EXACT)
       if ("${_REQUIRED_VERSION}" VERSION_EQUAL "${OPENTURNS_VERSION}")
       else ()
         set (_OPENTURNS_VERSION_MATCH FALSE)
       endif ()
     else ()
       if ("${_REQUIRED_VERSION}" VERSION_GREATER "${OPENTURNS_VERSION}")
         set (_OPENTURNS_VERSION_MATCH FALSE)
       endif ()
     endif ()
   endif ()

   # check for library directory
   if (NOT OPENTURNS_LIBRARY)
     find_library (OPENTURNS_LIBRARY
       NAMES
         OT
       PATHS
         ${OPENTURNS_ROOT_DIR}/lib
         C:/OpenTURNS/lib
       PATH_SUFFIXES
         openturns
       DOC
         "OpenTURNS library location"
     )
   endif ()

   # find dependent libraries
   if (NOT OPENTURNS_LIBRARIES)
     if (OPENTURNS_LIBRARY)
       set (OPENTURNS_LIBRARIES ${OPENTURNS_LIBRARY})
     endif ()
     list (APPEND OPENTURNS_LIBRARIES ${LIBXML2_LIBRARIES})
     list (APPEND OPENTURNS_LIBRARIES ${PYTHON_LIBRARIES})
   endif ()

   # root dir
   if (NOT OPENTURNS_ROOT_DIR)
     # try to guess root dir from include dir
     if (OPENTURNS_INCLUDE_DIR)
       string (REGEX REPLACE "(.*)/include/openturns/?" "\\1" OPENTURNS_ROOT_DIR "${OPENTURNS_INCLUDE_DIR}")

     # try to guess root dir from library dir
     elseif (OPENTURNS_LIBRARY)
       get_filename_component (_LIBRARY_DIR ${OPENTURNS_LIBRARY} PATH)
       string (REGEX REPLACE "(.*)/lib[0-9]*/openturns/?" "\\1" OPENTURNS_ROOT_DIR "${_LIBRARY_DIR}")
     endif ()
   endif ()

   # examples dir
   if (NOT OPENTURNS_EXAMPLES_DIR)
     set (OPENTURNS_EXAMPLES_DIR "${OPENTURNS_ROOT_DIR}/share/openturns/examples")
   endif ()

   # handle REQUIRED and QUIET options
   include (FindPackageHandleStandardArgs)
   find_package_handle_standard_args (OpenTURNS DEFAULT_MSG OPENTURNS_LIBRARY
     OPENTURNS_LIBRARIES
     LIBXML2_FOUND
     PYTHONLIBS_FOUND
     OPENTURNS_INCLUDE_DIR OPENTURNS_INCLUDE_DIRS OPENTURNS_SWIG_INCLUDE_DIR
     OPENTURNS_VERSION _OPENTURNS_VERSION_MATCH
     OPENTURNS_ROOT_DIR
     OPENTURNS_EXAMPLES_DIR
   )

   mark_as_advanced (
     OPENTURNS_LIBRARY
     OPENTURNS_INCLUDE_DIR
     OPENTURNS_SWIG_INCLUDE_DIR
     OPENTURNS_INCLUDE_DIRS
     OPENTURNS_VERSION
     OPENTURNS_LIBRARIES
     OPENTURNS_ROOT_DIR
     OPENTURNS_EXAMPLES_DIR
   )

   # wrapper -----------------------------------------------------------------------

   # threads
   if (NOT Threads_FOUND)
     find_package (Threads ${_FIND_ARG})
   endif ()

   # wrapper definitions
   if (NOT OPENTURNS_WRAPPER_DEFINITIONS)
     set(OPENTURNS_WRAPPER_DEFINITIONS)
     if (CMAKE_USE_PTHREADS_INIT)
       list (APPEND OPENTURNS_WRAPPER_DEFINITIONS -DHAVE_PTHREAD_H)
     endif ()
   endif ()

   # find wrapper dir
   if (NOT OPENTURNS_WRAPPER_DIR)
     find_path (OPENTURNS_WRAPPER_DIR
       NAMES
         wrapper.xml
       PATHS
         ${OPENTURNS_ROOT_DIR}
       PATH_SUFFIXES
         share/openturns/wrappers
       DOC
         "OpenTURNS wrapper location"
     )
   endif ()

   if (NOT OPENTURNS_WRAPPER_LIBRARIES)
     set(OPENTURNS_WRAPPER_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
   endif ()

   # check if wrapper library is usable
   if (NOT OPENTURNS_WRAPPER_FOUND)
     if (Threads_FOUND
           AND CMAKE_USE_PTHREADS_INIT
           AND OPENTURNS_WRAPPER_DEFINITIONS
           AND OPENTURNS_WRAPPER_DIR
           AND OPENTURNS_WRAPPER_LIBRARIES
           AND OPENTURNS_FOUND)
       set (OPENTURNS_WRAPPER_FOUND TRUE)
     else ()
       set (OPENTURNS_WRAPPER_FOUND FALSE)
     endif ()
   endif ()

   mark_as_advanced (
     OPENTURNS_WRAPPER_FOUND
     OPENTURNS_WRAPPER_DIR
     OPENTURNS_WRAPPER_LIBRARIES
     OPENTURNS_WRAPPER_DEFINITIONS
   )

   # module --------------------------------------------------------------

   # find module directory
   if (NOT OPENTURNS_MODULE_DIR)
     set (OPENTURNS_MODULE_DIR "${OPENTURNS_ROOT_DIR}/lib/openturns/module")
   endif ()

   # set module definitions
   if (NOT OPENTURNS_MODULE_DEFINITIONS)
     set (OPENTURNS_MODULE_DEFINITIONS)

     # check for STDC_HEADERS
     if (NOT HAVE_STDLIB_H)
       check_include_file_cxx (stdlib.h HAVE_STDLIB_H)
     endif ()
     if (NOT HAVE_STDARG_H)
       check_include_file_cxx (stdarg.h HAVE_STDARG_H)
     endif ()
     if (NOT HAVE_STRING_H)
       check_include_file_cxx (string.h HAVE_STRING_H)
     endif ()
     if (NOT HAVE_FLOAT_H)
       check_include_file_cxx (float.h HAVE_FLOAT_H)
     endif ()
     check_function_exists (memchr HAVE_MEMCHR)
     if (NOT HAVE_FREE)
       check_function_exists (free HAVE_FREE)
     endif ()
     if (NOT HAVE_CTYPE_H)
       check_include_file_cxx (ctype.h HAVE_CTYPE_H)
     endif ()
     if(HAVE_STDLIB_H AND HAVE_STDARG_H AND HAVE_STRING_H AND HAVE_FLOAT_H AND HAVE_MEMCHR AND HAVE_FREE AND HAVE_CTYPE_H)
       list (APPEND OPENTURNS_MODULE_DEFINITIONS -DSTDC_HEADERS_H=1)
     else ()
       list (APPEND OPENTURNS_MODULE_DEFINITIONS -DSTDC_HEADERS_H=0)
     endif ()

     # this macro checks a header and defines the corresponding macro
     macro (check_include_file_cxx_define_macro header_file)
       # get macro name from header_file
       string (TOUPPER "${header_file}" macro_name)
       string (REGEX REPLACE "[/.]" "_" macro_name ${macro_name})
       set(macro_name HAVE_${macro_name})
       # check for header
       if (NOT ${macro_name})
         check_include_file_cxx (${header_file} ${macro_name})
       endif ()
       # define macro
       if(${macro_name})
         list (APPEND OPENTURNS_MODULE_DEFINITIONS -D${macro_name}=1)
       else()
         list (APPEND OPENTURNS_MODULE_DEFINITIONS -D${macro_name}=0)
       endif ()
     endmacro ()

     # check for some headers
     check_include_file_cxx_define_macro (sys/types.h)
     check_include_file_cxx_define_macro (sys/stat.h)
     check_include_file_cxx_define_macro (stdlib.h)
     check_include_file_cxx_define_macro (string.h)
     check_include_file_cxx_define_macro (memory.h)
     check_include_file_cxx_define_macro (strings.h)
     check_include_file_cxx_define_macro (inttypes.h)
     check_include_file_cxx_define_macro (stdint.h)
     check_include_file_cxx_define_macro (unistd.h)
     check_include_file_cxx_define_macro (dlfcn.h)
     check_include_file_cxx_define_macro (stdbool.h)
     check_include_file_cxx_define_macro (regex.h)
   endif ()

   mark_as_advanced (
     OPENTURNS_MODULE_DIR
     OPENTURNS_MODULE_DEFINITIONS
   )

   # add module defs
   macro (add_module_extra_definitions module_name)
     add_definitions (-DPACKAGE_NAME="OpenTURNS module ${module_name}")
     add_definitions (-DPACKAGE_TARNAME="${module_name}")
     add_definitions (-DPACKAGE_VERSION="${OPENTURNS_VERSION}")
     add_definitions (-DPACKAGE_STRING="OpenTURNS module ${module_name} ${OPENTURNS_VERSION}")
     add_definitions (-DPACKAGE_BUGREPORT="")
   endmacro ()

   # modules ----------------------------------------------------------------------

   # find modules
   if (OpenTURNS_FIND_COMPONENTS)
     foreach (module_name ${OpenTURNS_FIND_COMPONENTS})
       string(TOLOWER ${module_name} module_lowercase_name)
       string(TOUPPER ${module_name} module_uppercase_name)

       set (OPENTURNS_${module_uppercase_name}_FOUND FALSE)

       # module library
       if (NOT OPENTURNS_${module_uppercase_name}_LIBRARY)
         find_library (OPENTURNS_${module_uppercase_name}_LIBRARY
           NAMES
             ${module_name}
           PATHS
             ${OPENTURNS_MODULE_DIR}/lib
           PATH_SUFFIXES
             ${module_lowercase_name}
         )
       endif ()

       # module libraries
       if (NOT OPENTURNS_${module_uppercase_name}_LIBRARIES)
         set (OPENTURNS_${module_uppercase_name}_LIBRARIES ${OPENTURNS_${module_uppercase_name}_LIBRARY})
         list (APPEND OPENTURNS_${module_uppercase_name}_LIBRARIES ${OPENTURNS_LIBRARIES})
       endif ()

       # module include dir
       if (NOT OPENTURNS_${module_uppercase_name}_INCLUDE_DIR)
         set (OPENTURNS_${module_uppercase_name}_INCLUDE_DIR "${OPENTURNS_MODULE_DIR}/include/${module_lowercase_name}")
       endif ()

       # module include dirs
       if (NOT OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS)
         set (OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS ${OPENTURNS_${module_uppercase_name}_INCLUDE_DIR})
         list (APPEND OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS ${OPENTURNS_INCLUDE_DIRS})
       endif ()

       # module swig include dir
       if (NOT OPENTURNS_${module_uppercase_name}_SWIG_INCLUDE_DIR)
         set (OPENTURNS_${module_uppercase_name}_SWIG_INCLUDE_DIR "${OPENTURNS_MODULE_DIR}/share/${module_lowercase_name}/swig")
       endif ()

       # test if the module is found
       if (NOT OPENTURNS_${module_uppercase_name}_FOUND)
         if (OPENTURNS_${module_uppercase_name}_LIBRARY
               AND OPENTURNS_${module_uppercase_name}_LIBRARIES
               AND OPENTURNS_${module_uppercase_name}_INCLUDE_DIR 
               AND OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS
               AND OPENTURNS_${module_uppercase_name}_SWIG_INCLUDE_DIR
               AND OPENTURNS_FOUND)
           set (OPENTURNS_${module_uppercase_name}_FOUND TRUE)
         else ()
           set (OPENTURNS_${module_uppercase_name}_FOUND FALSE)
         endif ()
       endif ()

       # handle REQUIRED and QUIET options
       if (OPENTURNS_${module_uppercase_name}_FOUND)
         if (NOT OpenTURNS_FIND_QUIETLY)
           message (STATUS "Found OpenTURNS module ${module_name}: ${OPENTURNS_${module_uppercase_name}_LIBRARY}")
         endif ()
       else ()
         if (OpenTURNS_FIND_REQUIRED)
           message(SEND_ERROR "Unable to find the requested OpenTURNS module : ${module_name}")
         endif ()
         if (NOT OpenTURNS_FIND_QUIETLY)
           message (STATUS "Could not find OpenTURNS module ${module_name}")
         endif ()
       endif ()

       mark_as_advanced (
         OPENTURNS_${module_uppercase_name}_FOUND
         OPENTURNS_${module_uppercase_name}_LIBRARY
         OPENTURNS_${module_uppercase_name}_LIBRARIES
         OPENTURNS_${module_uppercase_name}_INCLUDE_DIR 
         OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS
         OPENTURNS_${module_uppercase_name}_SWIG_INCLUDE_DIR
       )

     endforeach ()
   endif ()

   # debug ------------------------------------------------------------------------------------------

   if (OPENTURNS_DEBUG)
     message (STATUS "OPENTURNS_FOUND: ${OPENTURNS_FOUND}")
     message (STATUS "OPENTURNS_LIBRARY: ${OPENTURNS_LIBRARY}")
     message (STATUS "OPENTURNS_LIBRARIES: ${OPENTURNS_LIBRARIES}")
     message (STATUS "OPENTURNS_INCLUDE_DIR: ${OPENTURNS_INCLUDE_DIR}")
     message (STATUS "OPENTURNS_INCLUDE_DIRS: ${OPENTURNS_INCLUDE_DIRS}")
     message (STATUS "OPENTURNS_VERSION: ${OPENTURNS_VERSION}")
     message (STATUS "OPENTURNS_SWIG_INCLUDE_DIR: ${OPENTURNS_SWIG_INCLUDE_DIR}")
     message (STATUS "OPENTURNS_ROOT_DIR: ${OPENTURNS_ROOT_DIR}")
     message (STATUS "OPENTURNS_EXAMPLES_DIR: ${OPENTURNS_EXAMPLES_DIR}")

     message (STATUS "OPENTURNS_WRAPPER_FOUND: ${OPENTURNS_WRAPPER_FOUND}")
     message (STATUS "OPENTURNS_WRAPPER_DIR: ${OPENTURNS_WRAPPER_DIR}")
     message (STATUS "OPENTURNS_WRAPPER_DEFINITIONS: ${OPENTURNS_WRAPPER_DEFINITIONS}")
     message (STATUS "OPENTURNS_WRAPPER_LIBRARIES: ${OPENTURNS_WRAPPER_LIBRARIES}")

     message (STATUS "OPENTURNS_MODULE_DIR: ${OPENTURNS_MODULE_DIR}")
     message (STATUS "OPENTURNS_MODULE_DEFINITIONS: ${OPENTURNS_MODULE_DEFINITIONS}")

     foreach (module_name ${OpenTURNS_FIND_COMPONENTS})
       message (STATUS "OPENTURNS_${module_uppercase_name}_FOUND: ${OPENTURNS_${module_uppercase_name}_FOUND}")
       message (STATUS "OPENTURNS_${module_uppercase_name}_LIBRARY: ${OPENTURNS_${module_uppercase_name}_LIBRARY}")
       message (STATUS "OPENTURNS_${module_uppercase_name}_LIBRARIES: ${OPENTURNS_${module_uppercase_name}_LIBRARIES}")
       message (STATUS "OPENTURNS_${module_uppercase_name}_INCLUDE_DIR: ${OPENTURNS_${module_uppercase_name}_INCLUDE_DIR}")
       message (STATUS "OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS: ${OPENTURNS_${module_uppercase_name}_INCLUDE_DIRS}")
       message (STATUS "OPENTURNS_${module_uppercase_name}_SWIG_INCLUDE_DIR: ${OPENTURNS_${module_uppercase_name}_SWIG_INCLUDE_DIR}")
     endforeach ()
   endif ()

---

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