57 lines
2.2 KiB
CMake
57 lines
2.2 KiB
CMake
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
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IF ("${PROJECT_SOURCE_DIR}" STREQUAL "${ANOTHER_PROJ_SOURCE_DIR}")
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SET(BUILD_SHARED_LIBS 1)
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# Construct a source file outside the tree whose full path is close to
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# the path length limit. This will cause the full path to the object
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# file in the build tree to exceed the maximum path length which will
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# test cmLocalGenerator::CreateSafeUniqueObjectFileName.
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GET_FILENAME_COMPONENT(DEEPDIR
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${OutOfSource_BINARY_DIR}/../OutOfSourceDeep/deeper ABSOLUTE)
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# Test giving the generator a custom limit.
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SET(CMAKE_OBJECT_PATH_MAX 220)
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# Use a separate variable for computation.
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SET(MAXPATH "${CMAKE_OBJECT_PATH_MAX}")
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# VS8 adds "OutOfSource/SubDir/OutOfSourceSubdir/../../../" to the
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# path of the source file for no good reason. Reduce the length
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# limit by 46 characters to account for it. It should still be long
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# enough to require special object file name conversion.
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IF(${CMAKE_GENERATOR} MATCHES "Visual Studio (8|10)")
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MATH(EXPR MAXPATH "${MAXPATH} - 46")
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ENDIF()
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# MAXPATH less 25 for last /and/deeper/simple.cxx part and small safety
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MATH(EXPR MAXPATH "${MAXPATH} - 25")
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STRING(LENGTH "${DEEPDIR}" DEEPDIR_LEN)
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WHILE("${DEEPDIR_LEN}" LESS "${MAXPATH}")
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SET(DEEPDIR ${DEEPDIR}/and/deeper)
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STRING(LENGTH "${DEEPDIR}" DEEPDIR_LEN)
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ENDWHILE("${DEEPDIR_LEN}" LESS "${MAXPATH}")
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SET(DEEPSRC ${DEEPDIR}/simple.cxx)
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STRING(LENGTH "${DEEPSRC}" DEEPSRC_LEN)
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CONFIGURE_FILE(simple.cxx.in ${DEEPSRC} COPYONLY)
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# Watcom WMake seems to have problems with long command lines. Just
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# disable this part of the test until it is resolved.
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IF(${CMAKE_GENERATOR} MATCHES "Watcom WMake")
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SET(DEEPSRC "")
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ADD_DEFINITIONS(-DNO_DEEPSRC)
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ENDIF(${CMAKE_GENERATOR} MATCHES "Watcom WMake")
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ADD_LIBRARY(testlib testlib.cxx)
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ADD_EXECUTABLE (simple simple.cxx ../simple.cxx ${DEEPSRC})
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TARGET_LINK_LIBRARIES(simple testlib outlib)
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ENDIF ("${PROJECT_SOURCE_DIR}" STREQUAL "${ANOTHER_PROJ_SOURCE_DIR}")
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# test getting a definition from a subdir
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SET (WEASELS SIZZLING)
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GET_DIRECTORY_PROPERTY(incDirs INCLUDE_DIRECTORIES)
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IF(NOT incDirs)
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MESSAGE(FATAL_ERROR "GET_DIRECTORY_PROPERTY(INCLUDE_DIRECTORIES) returned empty list")
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ENDIF(NOT incDirs)
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