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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 "${MAXPATH} - 44")
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|
|
endif()
|
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|
|
# MAXPATH less 25 for last /and/deeper/simple.cxx part and small safety
|
|
|
|
|
math(EXPR MAXPATH "${MAXPATH} - 25")
|
|
|
|
|
string(LENGTH "${DEEPDIR}" DEEPDIR_LEN)
|
|
|
|
|
while("${DEEPDIR_LEN}" LESS "${MAXPATH}")
|
|
|
|
|
set(DEEPDIR ${DEEPDIR}/and/deeper)
|
|
|
|
|
string(LENGTH "${DEEPDIR}" DEEPDIR_LEN)
|
|
|
|
|
endwhile()
|
|
|
|
|
set(DEEPSRC ${DEEPDIR}/simple.cxx)
|
|
|
|
|
string(LENGTH "${DEEPSRC}" DEEPSRC_LEN)
|
|
|
|
|
configure_file(simple.cxx.in ${DEEPSRC} COPYONLY)
|
|
|
|
|
|
|
|
|
|
# Watcom WMake seems to have problems with long command lines. Just
|
|
|
|
|
# disable this part of the test until it is resolved.
|
|
|
|
|
if(${CMAKE_GENERATOR} MATCHES "Watcom WMake")
|
|
|
|
|
set(DEEPSRC "")
|
|
|
|
|
add_definitions(-DNO_DEEPSRC)
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
add_library(testlib testlib.cxx)
|
|
|
|
|
add_executable (simple simple.cxx ../simple.cxx ${DEEPSRC})
|
|
|
|
|
target_link_libraries(simple testlib outlib)
|
|
|
|
|
endif ()
|
|
|
|
|
|
|
|
|
|
# test getting a definition from a subdir
|
|
|
|
|
set (WEASELS SIZZLING)
|
|
|
|
|
|
|
|
|
|
get_directory_property(incDirs INCLUDE_DIRECTORIES)
|
|
|
|
|
if(NOT incDirs)
|
|
|
|
|
message(FATAL_ERROR "get_directory_property(INCLUDE_DIRECTORIES) returned empty list")
|
|
|
|
|
endif()
|
