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#=============================================================================
# Copyright 2008-2009 Kitware, Inc.
#
# 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.)
# Function to compile a source file to identify the compiler ABI.
# This is used internally by CMake and should not be included by user
# code.
INCLUDE(${CMAKE_ROOT}/Modules/CMakeParseImplicitLinkInfo.cmake)
FUNCTION(CMAKE_DETERMINE_COMPILER_ABI lang src)
IF(NOT DEFINED CMAKE_DETERMINE_${lang}_ABI_COMPILED)
MESSAGE(STATUS "Detecting ${lang} compiler ABI info")
# Compile the ABI identification source.
SET(BIN "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeDetermineCompilerABI_${lang}.bin")
SET(CMAKE_FLAGS )
IF(DEFINED CMAKE_${lang}_VERBOSE_FLAG)
SET(CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS=${CMAKE_${lang}_VERBOSE_FLAG}")
ENDIF()
TRY_COMPILE(CMAKE_DETERMINE_${lang}_ABI_COMPILED
${CMAKE_BINARY_DIR} ${src}
CMAKE_FLAGS "${CMAKE_FLAGS}"
"-DCMAKE_${lang}_STANDARD_LIBRARIES="
# We need ignore these warnings because some platforms need
# CMAKE_${lang}_STANDARD_LIBRARIES to link properly and we
# don't care when we are just determining the ABI.
"--no-warn-unused-cli"
OUTPUT_VARIABLE OUTPUT
COPY_FILE "${BIN}"
)
# Load the resulting information strings.
IF(CMAKE_DETERMINE_${lang}_ABI_COMPILED)
MESSAGE(STATUS "Detecting ${lang} compiler ABI info - done")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Detecting ${lang} compiler ABI info compiled with the following output:\n${OUTPUT}\n\n")
FILE(STRINGS "${BIN}" ABI_STRINGS LIMIT_COUNT 2 REGEX "INFO:[^[]*\\[")
FOREACH(info ${ABI_STRINGS})
IF("${info}" MATCHES ".*INFO:sizeof_dptr\\[0*([^]]*)\\].*")
STRING(REGEX REPLACE ".*INFO:sizeof_dptr\\[0*([^]]*)\\].*" "\\1" ABI_SIZEOF_DPTR "${info}")
ENDIF("${info}" MATCHES ".*INFO:sizeof_dptr\\[0*([^]]*)\\].*")
IF("${info}" MATCHES ".*INFO:abi\\[([^]]*)\\].*")
STRING(REGEX REPLACE ".*INFO:abi\\[([^]]*)\\].*" "\\1" ABI_NAME "${info}")
ENDIF("${info}" MATCHES ".*INFO:abi\\[([^]]*)\\].*")
ENDFOREACH(info)
IF(ABI_SIZEOF_DPTR)
SET(CMAKE_${lang}_SIZEOF_DATA_PTR "${ABI_SIZEOF_DPTR}" PARENT_SCOPE)
ENDIF(ABI_SIZEOF_DPTR)
IF(ABI_NAME)
SET(CMAKE_${lang}_COMPILER_ABI "${ABI_NAME}" PARENT_SCOPE)
ENDIF(ABI_NAME)
# Parse implicit linker information for this language, if available.
SET(implicit_dirs "")
SET(implicit_libs "")
SET(MULTI_ARCH FALSE)
IF(DEFINED CMAKE_OSX_ARCHITECTURES)
IF( "${CMAKE_OSX_ARCHITECTURES}" MATCHES ";" )
SET(MULTI_ARCH TRUE)
ENDIF()
ENDIF()
IF(CMAKE_${lang}_VERBOSE_FLAG
# Implicit link information cannot be used explicitly for
# multiple OS X architectures, so we skip it.
AND NOT MULTI_ARCH
# Skip this with Xcode for now.
AND NOT "${CMAKE_GENERATOR}" MATCHES Xcode)
CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs log
"${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Parsed ${lang} implicit link information from above output:\n${log}\n\n")
ENDIF()
# for VS IDE Intel Fortran we have to figure out the
# implicit link path for the fortran run time using
# a try-compile
IF("${lang}" MATCHES "Fortran"
AND "${CMAKE_GENERATOR}" MATCHES "Visual Studio")
SET(_desc "Determine Intel Fortran Compiler Implicit Link Path")
MESSAGE(STATUS "${_desc}")
# Build a sample project which reports symbols.
TRY_COMPILE(IFORT_LIB_PATH_COMPILED
${CMAKE_BINARY_DIR}/CMakeFiles/IntelVSImplicitPath
${CMAKE_ROOT}/Modules/FortranCInterface/IntelVSImplicitPath
IntelFortranImplicit
CMAKE_FLAGS
"-DCMAKE_Fortran_FLAGS:STRING=${CMAKE_Fortran_FLAGS}"
OUTPUT_VARIABLE _output)
FILE(READ
${CMAKE_BINARY_DIR}/CMakeFiles/IntelVSImplicitPath/implict_link.txt
dir)
LIST(APPEND implicit_dirs "${dir}")
FILE(WRITE
"${CMAKE_BINARY_DIR}/CMakeFiles/IntelVSImplicitPath/output.txt"
"${_output}")
SET(_desc "Determine Intel Fortran Compiler Implicit Link Path -- done")
MESSAGE(STATUS "${_desc}")
ENDIF()
SET(CMAKE_${lang}_IMPLICIT_LINK_LIBRARIES "${implicit_libs}" PARENT_SCOPE)
SET(CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES "${implicit_dirs}" PARENT_SCOPE)
# Detect library architecture directory name.
IF(CMAKE_LIBRARY_ARCHITECTURE_REGEX)
FOREACH(dir ${implicit_dirs})
IF("${dir}" MATCHES "/lib/${CMAKE_LIBRARY_ARCHITECTURE_REGEX}$")
GET_FILENAME_COMPONENT(arch "${dir}" NAME)
SET(CMAKE_${lang}_LIBRARY_ARCHITECTURE "${arch}" PARENT_SCOPE)
BREAK()
ENDIF()
ENDFOREACH()
ENDIF()
ELSE(CMAKE_DETERMINE_${lang}_ABI_COMPILED)
MESSAGE(STATUS "Detecting ${lang} compiler ABI info - failed")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Detecting ${lang} compiler ABI info failed to compile with the following output:\n${OUTPUT}\n\n")
ENDIF(CMAKE_DETERMINE_${lang}_ABI_COMPILED)
ENDIF(NOT DEFINED CMAKE_DETERMINE_${lang}_ABI_COMPILED)
ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ABI)
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