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# COMPILER_ID = GNU/Intel/etc.
# LANGUAGE = C/CXX/Fortan/ASM
# MODE = EXIST/COMPILE/LINK
# NAME = name of the package
# QUIET = if TRUE, don't print anything
#=============================================================================
# Copyright 2006-2011 Alexander Neundorf, <neundorf@kde.org>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
if(NOT NAME)
message(FATAL_ERROR "NAME argument not specified.")
endif()
if(NOT COMPILER_ID)
message(FATAL_ERROR "COMPILER_ID argument not specified. In doubt, use GNU.")
endif()
if(NOT LANGUAGE)
message(FATAL_ERROR "LANGUAGE argument not specified. Use C, CXX or Fortran.")
endif()
if(NOT MODE)
message(FATAL_ERROR "MODE argument not specified. Use either EXIST, COMPILE or LINK.")
endif()
include(CMakeDetermineSystem)
# Also load the system specific file, which sets up e.g. the search paths.
# This makes the FIND_XXX() calls work much better
include(CMakeSystemSpecificInformation)
if(UNIX)
# try to guess whether we have a 64bit system, if it has not been set
# from the outside
if(NOT CMAKE_SIZEOF_VOID_P)
set(CMAKE_SIZEOF_VOID_P 4)
if(EXISTS /usr/lib64)
set(CMAKE_SIZEOF_VOID_P 8)
else()
# use the file utility to check whether itself is 64 bit:
find_program(FILE_EXECUTABLE file)
if(FILE_EXECUTABLE)
execute_process(COMMAND "${FILE_EXECUTABLE}" "${FILE_EXECUTABLE}" OUTPUT_VARIABLE fileOutput ERROR_QUIET)
if("${fileOutput}" MATCHES "64-bit")
set(CMAKE_SIZEOF_VOID_P 8)
endif()
endif()
endif()
endif()
# guess Debian multiarch if it has not been set:
if(EXISTS /etc/debian_version)
if(NOT CMAKE_${LANGUAGE}_LANGUAGE_ARCHITECTURE )
file(GLOB filesInLib RELATIVE /lib /lib/*-linux-gnu* )
foreach(file ${filesInLib})
if("${file}" MATCHES "${CMAKE_LIBRARY_ARCHITECTURE_REGEX}")
set(CMAKE_${LANGUAGE}_LANGUAGE_ARCHITECTURE ${file})
break()
endif()
endforeach()
endif()
endif()
endif()
set(CMAKE_${LANGUAGE}_COMPILER "dummy")
set(CMAKE_${LANGUAGE}_COMPILER_ID "${COMPILER_ID}")
include(CMake${LANGUAGE}Information)
function(print_compile_flags _packageName)
string(TOUPPER "${_packageName}" PACKAGE_NAME)
# Check the following variables:
# FOO_INCLUDE_DIRS
# Foo_INCLUDE_DIRS
# FOO_INCLUDES
# Foo_INCLUDES
# FOO_INCLUDE_DIR
# Foo_INCLUDE_DIR
set(includes)
if(DEFINED ${_packageName}_INCLUDE_DIRS)
set(includes ${_packageName}_INCLUDE_DIRS)
elseif(DEFINED ${PACKAGE_NAME}_INCLUDE_DIRS)
set(includes ${PACKAGE_NAME}_INCLUDE_DIRS)
elseif(DEFINED ${_packageName}_INCLUDES)
set(includes ${_packageName}_INCLUDES)
elseif(DEFINED ${PACKAGE_NAME}_INCLUDES)
set(includes ${PACKAGE_NAME}_INCLUDES)
elseif(DEFINED ${_packageName}_INCLUDE_DIR)
set(includes ${_packageName}_INCLUDE_DIR)
elseif(DEFINED ${PACKAGE_NAME}_INCLUDE_DIR)
set(includes ${PACKAGE_NAME}_INCLUDE_DIR)
endif()
set(PACKAGE_INCLUDE_DIRS "${${includes}}" PARENT_SCOPE)
# Check the following variables:
# FOO_DEFINITIONS
# Foo_DEFINITIONS
set(definitions)
if(DEFINED ${_packageName}_DEFINITIONS)
set(definitions ${_packageName}_DEFINITIONS)
elseif(DEFINED ${PACKAGE_NAME}_DEFINITIONS)
set(definitions ${PACKAGE_NAME}_DEFINITIONS)
endif()
set(PACKAGE_DEFINITIONS "${${definitions}}" )
endfunction()
function(print_link_flags _packageName)
string(TOUPPER "${_packageName}" PACKAGE_NAME)
# Check the following variables:
# FOO_LIBRARIES
# Foo_LIBRARIES
# FOO_LIBS
# Foo_LIBS
set(libs)
if(DEFINED ${_packageName}_LIBRARIES)
set(libs ${_packageName}_LIBRARIES)
elseif(DEFINED ${PACKAGE_NAME}_LIBRARIES)
set(libs ${PACKAGE_NAME}_LIBRARIES)
elseif(DEFINED ${_packageName}_LIBS)
set(libs ${_packageName}_LIBS)
elseif(DEFINED ${PACKAGE_NAME}_LIBS)
set(libs ${PACKAGE_NAME}_LIBS)
endif()
set(PACKAGE_LIBRARIES "${${libs}}" PARENT_SCOPE )
endfunction()
find_package("${NAME}" QUIET)
set(PACKAGE_FOUND FALSE)
string(TOUPPER "${NAME}" UPPERCASE_NAME)
if(${NAME}_FOUND OR ${UPPERCASE_NAME}_FOUND)
set(PACKAGE_FOUND TRUE)
if("${MODE}" STREQUAL "EXIST")
# do nothing
elseif("${MODE}" STREQUAL "COMPILE")
print_compile_flags(${NAME})
elseif("${MODE}" STREQUAL "LINK")
print_link_flags(${NAME})
else("${MODE}" STREQUAL "LINK")
message(FATAL_ERROR "Invalid mode argument ${MODE} given.")
endif()
endif()
set(PACKAGE_QUIET ${SILENT} )
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