You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
4.4 KiB
96 lines
4.4 KiB
|
|
#=============================================================================
|
|
# 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()
|
|
SET(CMAKE_${lang}_IMPLICIT_LINK_LIBRARIES "${implicit_libs}" PARENT_SCOPE)
|
|
SET(CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES "${implicit_dirs}" PARENT_SCOPE)
|
|
|
|
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)
|