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CMake/Source/kwsys/kwsysPlatformTests.cmake
Brad King 1136b97647 Create KWSYS_PLATFORM_INFO_TEST macro 
This macro helps KWSys perform try-compile tests that extract 'INFO'
strings out of compiled binaries.  It works for CMake 2.6 and above.
On CMake 2.4 it always returns an empty list of information values,
so this should be used only as an optimization until 2.6 is required.
2009-11-20 08:37:56 -05:00

217 lines
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CMake
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#=============================================================================
# KWSys - Kitware System Library
# Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
#
# 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.
#=============================================================================
SET(KWSYS_PLATFORM_TEST_FILE_C kwsysPlatformTestsC.c)
SET(KWSYS_PLATFORM_TEST_FILE_CXX kwsysPlatformTestsCXX.cxx)
MACRO(KWSYS_PLATFORM_TEST lang var description invert)
IF("${var}_COMPILED" MATCHES "^${var}_COMPILED$")
MESSAGE(STATUS "${description}")
TRY_COMPILE(${var}_COMPILED
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/${KWSYS_PLATFORM_TEST_FILE_${lang}}
COMPILE_DEFINITIONS -DTEST_${var} ${KWSYS_PLATFORM_TEST_DEFINES} ${KWSYS_PLATFORM_TEST_EXTRA_FLAGS}
OUTPUT_VARIABLE OUTPUT)
IF(${var}_COMPILED)
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"${description} compiled with the following output:\n${OUTPUT}\n\n")
ELSE(${var}_COMPILED)
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${description} failed to compile with the following output:\n${OUTPUT}\n\n")
ENDIF(${var}_COMPILED)
IF(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
MESSAGE(STATUS "${description} - no")
ELSE(${var}_COMPILED)
MESSAGE(STATUS "${description} - yes")
ENDIF(${var}_COMPILED)
ELSE(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
MESSAGE(STATUS "${description} - yes")
ELSE(${var}_COMPILED)
MESSAGE(STATUS "${description} - no")
ENDIF(${var}_COMPILED)
ENDIF(${invert} MATCHES INVERT)
ENDIF("${var}_COMPILED" MATCHES "^${var}_COMPILED$")
IF(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
SET(${var} 0)
ELSE(${var}_COMPILED)
SET(${var} 1)
ENDIF(${var}_COMPILED)
ELSE(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
SET(${var} 1)
ELSE(${var}_COMPILED)
SET(${var} 0)
ENDIF(${var}_COMPILED)
ENDIF(${invert} MATCHES INVERT)
ENDMACRO(KWSYS_PLATFORM_TEST)
MACRO(KWSYS_PLATFORM_TEST_RUN lang var description invert)
IF("${var}" MATCHES "^${var}$")
MESSAGE(STATUS "${description}")
TRY_RUN(${var} ${var}_COMPILED
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/${KWSYS_PLATFORM_TEST_FILE_${lang}}
COMPILE_DEFINITIONS -DTEST_${var} ${KWSYS_PLATFORM_TEST_DEFINES} ${KWSYS_PLATFORM_TEST_EXTRA_FLAGS}
OUTPUT_VARIABLE OUTPUT)
# Note that ${var} will be a 0 return value on success.
IF(${var}_COMPILED)
IF(${var})
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${description} compiled but failed to run with the following output:\n${OUTPUT}\n\n")
ELSE(${var})
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"${description} compiled and ran with the following output:\n${OUTPUT}\n\n")
ENDIF(${var})
ELSE(${var}_COMPILED)
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${description} failed to compile with the following output:\n${OUTPUT}\n\n")
SET(${var} -1 CACHE INTERNAL "${description} failed to compile.")
ENDIF(${var}_COMPILED)
IF(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
IF(${var})
MESSAGE(STATUS "${description} - yes")
ELSE(${var})
MESSAGE(STATUS "${description} - no")
ENDIF(${var})
ELSE(${var}_COMPILED)
MESSAGE(STATUS "${description} - failed to compile")
ENDIF(${var}_COMPILED)
ELSE(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
IF(${var})
MESSAGE(STATUS "${description} - no")
ELSE(${var})
MESSAGE(STATUS "${description} - yes")
ENDIF(${var})
ELSE(${var}_COMPILED)
MESSAGE(STATUS "${description} - failed to compile")
ENDIF(${var}_COMPILED)
ENDIF(${invert} MATCHES INVERT)
ENDIF("${var}" MATCHES "^${var}$")
IF(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
IF(${var})
SET(${var} 1)
ELSE(${var})
SET(${var} 0)
ENDIF(${var})
ELSE(${var}_COMPILED)
SET(${var} 1)
ENDIF(${var}_COMPILED)
ELSE(${invert} MATCHES INVERT)
IF(${var}_COMPILED)
IF(${var})
SET(${var} 0)
ELSE(${var})
SET(${var} 1)
ENDIF(${var})
ELSE(${var}_COMPILED)
SET(${var} 0)
ENDIF(${var}_COMPILED)
ENDIF(${invert} MATCHES INVERT)
ENDMACRO(KWSYS_PLATFORM_TEST_RUN)
MACRO(KWSYS_PLATFORM_C_TEST var description invert)
SET(KWSYS_PLATFORM_TEST_DEFINES ${KWSYS_PLATFORM_C_TEST_DEFINES})
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS ${KWSYS_PLATFORM_C_TEST_EXTRA_FLAGS})
KWSYS_PLATFORM_TEST(C "${var}" "${description}" "${invert}")
SET(KWSYS_PLATFORM_TEST_DEFINES)
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS)
ENDMACRO(KWSYS_PLATFORM_C_TEST)
MACRO(KWSYS_PLATFORM_C_TEST_RUN var description invert)
SET(KWSYS_PLATFORM_TEST_DEFINES ${KWSYS_PLATFORM_C_TEST_DEFINES})
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS ${KWSYS_PLATFORM_C_TEST_EXTRA_FLAGS})
KWSYS_PLATFORM_TEST_RUN(C "${var}" "${description}" "${invert}")
SET(KWSYS_PLATFORM_TEST_DEFINES)
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS)
ENDMACRO(KWSYS_PLATFORM_C_TEST_RUN)
MACRO(KWSYS_PLATFORM_CXX_TEST var description invert)
SET(KWSYS_PLATFORM_TEST_DEFINES ${KWSYS_PLATFORM_CXX_TEST_DEFINES})
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS ${KWSYS_PLATFORM_CXX_TEST_EXTRA_FLAGS})
KWSYS_PLATFORM_TEST(CXX "${var}" "${description}" "${invert}")
SET(KWSYS_PLATFORM_TEST_DEFINES)
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS)
ENDMACRO(KWSYS_PLATFORM_CXX_TEST)
MACRO(KWSYS_PLATFORM_CXX_TEST_RUN var description invert)
SET(KWSYS_PLATFORM_TEST_DEFINES ${KWSYS_PLATFORM_CXX_TEST_DEFINES})
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS ${KWSYS_PLATFORM_CXX_TEST_EXTRA_FLAGS})
KWSYS_PLATFORM_TEST_RUN(CXX "${var}" "${description}" "${invert}")
SET(KWSYS_PLATFORM_TEST_DEFINES)
SET(KWSYS_PLATFORM_TEST_EXTRA_FLAGS)
ENDMACRO(KWSYS_PLATFORM_CXX_TEST_RUN)
#-----------------------------------------------------------------------------
# KWSYS_PLATFORM_INFO_TEST(lang var description)
#
# Compile test named by ${var} and store INFO strings extracted from binary.
MACRO(KWSYS_PLATFORM_INFO_TEST lang var description)
# We can implement this macro on CMake 2.6 and above.
IF("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.6)
SET(${var} "")
ELSE()
# Choose a location for the result binary.
SET(KWSYS_PLATFORM_INFO_FILE
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/${var}.bin)
# Compile the test binary.
IF(NOT DEFINED ${var}_COMPILED)
MESSAGE(STATUS "${description}")
TRY_COMPILE(${var}_COMPILED
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/${KWSYS_PLATFORM_TEST_FILE_${lang}}
COMPILE_DEFINITIONS -DTEST_${var}
${KWSYS_PLATFORM_${lang}_TEST_DEFINES}
${KWSYS_PLATFORM_${lang}_TEST_EXTRA_FLAGS}
OUTPUT_VARIABLE OUTPUT
COPY_FILE ${KWSYS_PLATFORM_INFO_FILE}
)
IF(${var}_COMPILED)
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"${description} compiled with the following output:\n${OUTPUT}\n\n")
ELSE()
FILE(APPEND
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${description} failed to compile with the following output:\n${OUTPUT}\n\n")
ENDIF()
IF(${var}_COMPILED)
MESSAGE(STATUS "${description} - compiled")
ELSE()
MESSAGE(STATUS "${description} - failed")
ENDIF()
ENDIF()
# Parse info strings out of the compiled binary.
IF(${var}_COMPILED)
FILE(STRINGS ${KWSYS_PLATFORM_INFO_FILE} ${var} REGEX "INFO:[A-Za-z0-9]+\\[[^]]*\\]")
ELSE()
SET(${var} "")
ENDIF()
SET(KWSYS_PLATFORM_INFO_FILE)
ENDIF()
ENDMACRO()
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