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63 lines
2.3 KiB
63 lines
2.3 KiB
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 "${CMAKE_OBJECT_PATH_MAX}")
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# VS adds "OutOfSource/SubDir/OutOfSourceSubdir/../../../" to the
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# path of the source file for no good reason. Reduce the length
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# limit by 46 characters to account for it. It should still be long
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# enough to require special object file name conversion.
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if(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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math(EXPR MAXPATH "${MAXPATH} - 46")
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endif()
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# Ninja imposes a maximum path component count of 30. Permit more
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# path components in the source path.
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if(${CMAKE_GENERATOR} MATCHES "Ninja")
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math(EXPR MAXPATH "${MAXPATH} - 44")
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endif()
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# MAXPATH less 25 for last /and/deeper/simple.cxx part and small safety
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math(EXPR MAXPATH "${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()
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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()
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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 ()
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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()
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