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+# Locate Intel Threading Building Blocks include paths and libraries
+# FindTBB.cmake can be found at https://code.google.com/p/findtbb/
+# Written by Hannes Hofmann <hannes.hofmann _at_ informatik.uni-erlangen.de>
+# Improvements by Gino van den Bergen <gino _at_ dtecta.com>,
+# Florian Uhlig <F.Uhlig _at_ gsi.de>,
+# Jiri Marsik <jiri.marsik89 _at_ gmail.com>
+
+# The MIT License
+#
+# Copyright (c) 2011 Hannes Hofmann
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# GvdB: This module uses the environment variable TBB_ARCH_PLATFORM which defines architecture and compiler.
+# e.g. "ia32/vc8" or "em64t/cc4.1.0_libc2.4_kernel2.6.16.21"
+# TBB_ARCH_PLATFORM is set by the build script `tbbvars[.bat|.sh|.csh], which can be found
+# in the TBB installation directory (TBB_INSTALL_DIR).
+#
+# GvdB: Mac OS X distribution places libraries directly in lib directory.
+#
+# For backwards compatibility, you may explicitely set the CMake variables TBB_ARCHITECTURE and TBB_COMPILER.
+# TBB_ARCHITECTURE [ ia32 | em64t | itanium ]
+# which architecture to use
+# TBB_COMPILER e.g. vc9 or cc3.2.3_libc2.3.2_kernel2.4.21 or cc4.0.1_os10.4.9
+# which compiler to use (detected automatically on Windows)
+
+# This module respects
+# TBB_INSTALL_DIR or $ENV{TBB21_INSTALL_DIR} or $ENV{TBB_INSTALL_DIR}
+
+# This module defines
+# TBB_INCLUDE_DIRS, where to find task_scheduler_init.h, etc.
+# TBB_LIBRARY_DIRS, where to find libtbb, libtbbmalloc
+# TBB_DEBUG_LIBRARY_DIRS, where to find libtbb_debug, libtbbmalloc_debug
+# TBB_INSTALL_DIR, the base TBB install directory
+# TBB_LIBRARIES, the libraries to link against to use TBB.
+# TBB_DEBUG_LIBRARIES, the libraries to link against to use TBB with debug symbols.
+# TBB_FOUND, If false, don't try to use TBB.
+# TBB_INTERFACE_VERSION, as defined in tbb/tbb_stddef.h
+
+
+if (WIN32)
+ # has em64t/vc8 em64t/vc9
+ # has ia32/vc7.1 ia32/vc8 ia32/vc9
+ set(_TBB_DEFAULT_INSTALL_DIR "C:/Program Files/Intel/TBB" "C:/Program Files (x86)/Intel/TBB")
+ set(_TBB_LIB_NAME "tbb")
+ set(_TBB_LIB_MALLOC_NAME "${_TBB_LIB_NAME}malloc")
+ set(_TBB_LIB_DEBUG_NAME "${_TBB_LIB_NAME}_debug")
+ set(_TBB_LIB_MALLOC_DEBUG_NAME "${_TBB_LIB_MALLOC_NAME}_debug")
+ if (MSVC71)
+ set (_TBB_COMPILER "vc7.1")
+ endif(MSVC71)
+ if (MSVC80)
+ set(_TBB_COMPILER "vc8")
+ endif(MSVC80)
+ if (MSVC90)
+ set(_TBB_COMPILER "vc9")
+ endif(MSVC90)
+ if(MSVC10)
+ set(_TBB_COMPILER "vc10")
+ endif(MSVC10)
+ # Todo: add other Windows compilers such as ICL.
+ set(_TBB_ARCHITECTURE ${TBB_ARCHITECTURE})
+endif (WIN32)
+
+if (UNIX)
+ if (APPLE)
+ # MAC
+ set(_TBB_DEFAULT_INSTALL_DIR "/Library/Frameworks/Intel_TBB.framework/Versions")
+ # libs: libtbb.dylib, libtbbmalloc.dylib, *_debug
+ set(_TBB_LIB_NAME "tbb")
+ set(_TBB_LIB_MALLOC_NAME "${_TBB_LIB_NAME}malloc")
+ set(_TBB_LIB_DEBUG_NAME "${_TBB_LIB_NAME}_debug")
+ set(_TBB_LIB_MALLOC_DEBUG_NAME "${_TBB_LIB_MALLOC_NAME}_debug")
+ # default flavor on apple: ia32/cc4.0.1_os10.4.9
+ # Jiri: There is no reason to presume there is only one flavor and
+ # that user's setting of variables should be ignored.
+ if(NOT TBB_COMPILER)
+ set(_TBB_COMPILER "cc4.0.1_os10.4.9")
+ elseif (NOT TBB_COMPILER)
+ set(_TBB_COMPILER ${TBB_COMPILER})
+ endif(NOT TBB_COMPILER)
+ if(NOT TBB_ARCHITECTURE)
+ set(_TBB_ARCHITECTURE "ia32")
+ elseif(NOT TBB_ARCHITECTURE)
+ set(_TBB_ARCHITECTURE ${TBB_ARCHITECTURE})
+ endif(NOT TBB_ARCHITECTURE)
+ else (APPLE)
+ # LINUX
+ set(_TBB_DEFAULT_INSTALL_DIR "/opt/intel/tbb" "/usr/local/include" "/usr/include")
+ set(_TBB_LIB_NAME "tbb")
+ set(_TBB_LIB_MALLOC_NAME "${_TBB_LIB_NAME}malloc")
+ set(_TBB_LIB_DEBUG_NAME "${_TBB_LIB_NAME}_debug")
+ set(_TBB_LIB_MALLOC_DEBUG_NAME "${_TBB_LIB_MALLOC_NAME}_debug")
+ # has em64t/cc3.2.3_libc2.3.2_kernel2.4.21 em64t/cc3.3.3_libc2.3.3_kernel2.6.5 em64t/cc3.4.3_libc2.3.4_kernel2.6.9 em64t/cc4.1.0_libc2.4_kernel2.6.16.21
+ # has ia32/*
+ # has itanium/*
+ set(_TBB_COMPILER ${TBB_COMPILER})
+ set(_TBB_ARCHITECTURE ${TBB_ARCHITECTURE})
+ endif (APPLE)
+endif (UNIX)
+
+if (CMAKE_SYSTEM MATCHES "SunOS.*")
+# SUN
+# not yet supported
+# has em64t/cc3.4.3_kernel5.10
+# has ia32/*
+endif (CMAKE_SYSTEM MATCHES "SunOS.*")
+
+
+#-- Clear the public variables
+set (TBB_FOUND "NO")
+
+
+#-- Find TBB install dir and set ${_TBB_INSTALL_DIR} and cached ${TBB_INSTALL_DIR}
+# first: use CMake variable TBB_INSTALL_DIR
+if (TBB_INSTALL_DIR)
+ set (_TBB_INSTALL_DIR ${TBB_INSTALL_DIR})
+endif (TBB_INSTALL_DIR)
+# second: use environment variable
+if (NOT _TBB_INSTALL_DIR)
+ if (NOT "$ENV{TBB_INSTALL_DIR}" STREQUAL "")
+ set (_TBB_INSTALL_DIR $ENV{TBB_INSTALL_DIR})
+ endif (NOT "$ENV{TBB_INSTALL_DIR}" STREQUAL "")
+ # Intel recommends setting TBB21_INSTALL_DIR
+ if (NOT "$ENV{TBB21_INSTALL_DIR}" STREQUAL "")
+ set (_TBB_INSTALL_DIR $ENV{TBB21_INSTALL_DIR})
+ endif (NOT "$ENV{TBB21_INSTALL_DIR}" STREQUAL "")
+ if (NOT "$ENV{TBB22_INSTALL_DIR}" STREQUAL "")
+ set (_TBB_INSTALL_DIR $ENV{TBB22_INSTALL_DIR})
+ endif (NOT "$ENV{TBB22_INSTALL_DIR}" STREQUAL "")
+ if (NOT "$ENV{TBB30_INSTALL_DIR}" STREQUAL "")
+ set (_TBB_INSTALL_DIR $ENV{TBB30_INSTALL_DIR})
+ endif (NOT "$ENV{TBB30_INSTALL_DIR}" STREQUAL "")
+endif (NOT _TBB_INSTALL_DIR)
+# third: try to find path automatically
+if (NOT _TBB_INSTALL_DIR)
+ if (_TBB_DEFAULT_INSTALL_DIR)
+ set (_TBB_INSTALL_DIR ${_TBB_DEFAULT_INSTALL_DIR})
+ endif (_TBB_DEFAULT_INSTALL_DIR)
+endif (NOT _TBB_INSTALL_DIR)
+# sanity check
+if (NOT _TBB_INSTALL_DIR)
+ message ("ERROR: Unable to find Intel TBB install directory. ${_TBB_INSTALL_DIR}")
+else (NOT _TBB_INSTALL_DIR)
+# finally: set the cached CMake variable TBB_INSTALL_DIR
+if (NOT TBB_INSTALL_DIR)
+ set (TBB_INSTALL_DIR ${_TBB_INSTALL_DIR} CACHE PATH "Intel TBB install directory")
+ mark_as_advanced(TBB_INSTALL_DIR)
+endif (NOT TBB_INSTALL_DIR)
+
+
+#-- A macro to rewrite the paths of the library. This is necessary, because
+# find_library() always found the em64t/vc9 version of the TBB libs
+macro(TBB_CORRECT_LIB_DIR var_name)
+# if (NOT "${_TBB_ARCHITECTURE}" STREQUAL "em64t")
+ string(REPLACE em64t "${_TBB_ARCHITECTURE}" ${var_name} ${${var_name}})
+# endif (NOT "${_TBB_ARCHITECTURE}" STREQUAL "em64t")
+ string(REPLACE ia32 "${_TBB_ARCHITECTURE}" ${var_name} ${${var_name}})
+ string(REPLACE vc7.1 "${_TBB_COMPILER}" ${var_name} ${${var_name}})
+ string(REPLACE vc8 "${_TBB_COMPILER}" ${var_name} ${${var_name}})
+ string(REPLACE vc9 "${_TBB_COMPILER}" ${var_name} ${${var_name}})
+ string(REPLACE vc10 "${_TBB_COMPILER}" ${var_name} ${${var_name}})
+endmacro(TBB_CORRECT_LIB_DIR var_content)
+
+
+#-- Look for include directory and set ${TBB_INCLUDE_DIR}
+set (TBB_INC_SEARCH_DIR ${_TBB_INSTALL_DIR}/include)
+# Jiri: tbbvars now sets the CPATH environment variable to the directory
+# containing the headers.
+find_path(TBB_INCLUDE_DIR
+ tbb/task_scheduler_init.h
+ PATHS ${TBB_INC_SEARCH_DIR} ENV CPATH
+)
+mark_as_advanced(TBB_INCLUDE_DIR)
+
+
+#-- Look for libraries
+# GvdB: $ENV{TBB_ARCH_PLATFORM} is set by the build script tbbvars[.bat|.sh|.csh]
+if (NOT $ENV{TBB_ARCH_PLATFORM} STREQUAL "")
+ set (_TBB_LIBRARY_DIR
+ ${_TBB_INSTALL_DIR}/lib/$ENV{TBB_ARCH_PLATFORM}
+ ${_TBB_INSTALL_DIR}/$ENV{TBB_ARCH_PLATFORM}/lib
+ )
+endif (NOT $ENV{TBB_ARCH_PLATFORM} STREQUAL "")
+# Jiri: This block isn't mutually exclusive with the previous one
+# (hence no else), instead I test if the user really specified
+# the variables in question.
+if ((NOT ${TBB_ARCHITECTURE} STREQUAL "") AND (NOT ${TBB_COMPILER} STREQUAL ""))
+ # HH: deprecated
+ message(STATUS "[Warning] FindTBB.cmake: The use of TBB_ARCHITECTURE and TBB_COMPILER is deprecated and may not be supported in future versions. Please set \$ENV{TBB_ARCH_PLATFORM} (using tbbvars.[bat|csh|sh]).")
+ # Jiri: It doesn't hurt to look in more places, so I store the hints from
+ # ENV{TBB_ARCH_PLATFORM} and the TBB_ARCHITECTURE and TBB_COMPILER
+ # variables and search them both.
+ set (_TBB_LIBRARY_DIR "${_TBB_INSTALL_DIR}/${_TBB_ARCHITECTURE}/${_TBB_COMPILER}/lib" ${_TBB_LIBRARY_DIR})
+endif ((NOT ${TBB_ARCHITECTURE} STREQUAL "") AND (NOT ${TBB_COMPILER} STREQUAL ""))
+
+# GvdB: Mac OS X distribution places libraries directly in lib directory.
+list(APPEND _TBB_LIBRARY_DIR ${_TBB_INSTALL_DIR}/lib)
+
+# Jiri: No reason not to check the default paths. From recent versions,
+# tbbvars has started exporting the LIBRARY_PATH and LD_LIBRARY_PATH
+# variables, which now point to the directories of the lib files.
+# It all makes more sense to use the ${_TBB_LIBRARY_DIR} as a HINTS
+# argument instead of the implicit PATHS as it isn't hard-coded
+# but computed by system introspection. Searching the LIBRARY_PATH
+# and LD_LIBRARY_PATH environment variables is now even more important
+# that tbbvars doesn't export TBB_ARCH_PLATFORM and it facilitates
+# the use of TBB built from sources.
+find_library(TBB_LIBRARY ${_TBB_LIB_NAME} HINTS ${_TBB_LIBRARY_DIR}
+ PATHS ENV LIBRARY_PATH ENV LD_LIBRARY_PATH)
+find_library(TBB_MALLOC_LIBRARY ${_TBB_LIB_MALLOC_NAME} HINTS ${_TBB_LIBRARY_DIR}
+ PATHS ENV LIBRARY_PATH ENV LD_LIBRARY_PATH)
+
+#Extract path from TBB_LIBRARY name
+get_filename_component(TBB_LIBRARY_DIR ${TBB_LIBRARY} PATH)
+
+#TBB_CORRECT_LIB_DIR(TBB_LIBRARY)
+#TBB_CORRECT_LIB_DIR(TBB_MALLOC_LIBRARY)
+mark_as_advanced(TBB_LIBRARY TBB_MALLOC_LIBRARY)
+
+#-- Look for debug libraries
+# Jiri: Changed the same way as for the release libraries.
+find_library(TBB_LIBRARY_DEBUG ${_TBB_LIB_DEBUG_NAME} HINTS ${_TBB_LIBRARY_DIR}
+ PATHS ENV LIBRARY_PATH ENV LD_LIBRARY_PATH)
+find_library(TBB_MALLOC_LIBRARY_DEBUG ${_TBB_LIB_MALLOC_DEBUG_NAME} HINTS ${_TBB_LIBRARY_DIR}
+ PATHS ENV LIBRARY_PATH ENV LD_LIBRARY_PATH)
+
+# Jiri: Self-built TBB stores the debug libraries in a separate directory.
+# Extract path from TBB_LIBRARY_DEBUG name
+get_filename_component(TBB_LIBRARY_DEBUG_DIR ${TBB_LIBRARY_DEBUG} PATH)
+
+#TBB_CORRECT_LIB_DIR(TBB_LIBRARY_DEBUG)
+#TBB_CORRECT_LIB_DIR(TBB_MALLOC_LIBRARY_DEBUG)
+mark_as_advanced(TBB_LIBRARY_DEBUG TBB_MALLOC_LIBRARY_DEBUG)
+
+
+if (TBB_INCLUDE_DIR)
+ if (TBB_LIBRARY)
+ set (TBB_FOUND "YES")
+ set (TBB_LIBRARIES ${TBB_LIBRARY} ${TBB_MALLOC_LIBRARY} ${TBB_LIBRARIES})
+ set (TBB_DEBUG_LIBRARIES ${TBB_LIBRARY_DEBUG} ${TBB_MALLOC_LIBRARY_DEBUG} ${TBB_DEBUG_LIBRARIES})
+ set (TBB_INCLUDE_DIRS ${TBB_INCLUDE_DIR} CACHE PATH "TBB include directory" FORCE)
+ set (TBB_LIBRARY_DIRS ${TBB_LIBRARY_DIR} CACHE PATH "TBB library directory" FORCE)
+ # Jiri: Self-built TBB stores the debug libraries in a separate directory.
+ set (TBB_DEBUG_LIBRARY_DIRS ${TBB_LIBRARY_DEBUG_DIR} CACHE PATH "TBB debug library directory" FORCE)
+ mark_as_advanced(TBB_INCLUDE_DIRS TBB_LIBRARY_DIRS TBB_DEBUG_LIBRARY_DIRS TBB_LIBRARIES TBB_DEBUG_LIBRARIES)
+ message(STATUS "Found Intel TBB")
+ endif (TBB_LIBRARY)
+endif (TBB_INCLUDE_DIR)
+
+if (NOT TBB_FOUND)
+ message("ERROR: Intel TBB NOT found!")
+ message(STATUS "Looked for Threading Building Blocks in ${_TBB_INSTALL_DIR}")
+ # do only throw fatal, if this pkg is REQUIRED
+ if (TBB_FIND_REQUIRED)
+ message(FATAL_ERROR "Could NOT find TBB library.
+ On ubuntu try
+ apt-get install libtbb-dev
+")
+ endif (TBB_FIND_REQUIRED)
+endif (NOT TBB_FOUND)
+
+endif (NOT _TBB_INSTALL_DIR)
+
+if (TBB_FOUND)
+ set(TBB_INTERFACE_VERSION 0)
+ FILE(READ "${TBB_INCLUDE_DIRS}/tbb/tbb_stddef.h" _TBB_VERSION_CONTENTS)
+ STRING(REGEX REPLACE ".*#define TBB_INTERFACE_VERSION ([0-9]+).*" "\\1" TBB_INTERFACE_VERSION "${_TBB_VERSION_CONTENTS}")
+ set(TBB_INTERFACE_VERSION "${TBB_INTERFACE_VERSION}")
+endif (TBB_FOUND)