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include_directories(${CMAKE_CURRENT_BINARY_DIR})
if ("${PROJECT_SOURCE_DIR}" STREQUAL "${ANOTHER_PROJ_SOURCE_DIR}")
set(BUILD_SHARED_LIBS 1)
# Construct a source file outside the tree whose full path is close to
# the path length limit. This will cause the full path to the object
# file in the build tree to exceed the maximum path length which will
# test cmLocalGenerator::CreateSafeUniqueObjectFileName.
get_filename_component(DEEPDIR
${OutOfSource_BINARY_DIR}/../OutOfSourceDeep/deeper ABSOLUTE)
# Test giving the generator a custom limit.
set(CMAKE_OBJECT_PATH_MAX 220)
# Use a separate variable for computation.
set(MAXPATH "${CMAKE_OBJECT_PATH_MAX}")
# VS8 adds "OutOfSource/SubDir/OutOfSourceSubdir/../../../" to the
# path of the source file for no good reason. Reduce the length
# limit by 46 characters to account for it. It should still be long
# enough to require special object file name conversion.
if(${CMAKE_GENERATOR} MATCHES "Visual Studio (8|10)")
math(EXPR MAXPATH "${MAXPATH} - 46")
endif()
# Ninja imposes a maximum path component count of 30. Permit more
# path components in the source path.
if(${CMAKE_GENERATOR} MATCHES "Ninja")
math(EXPR MAXPATH "${MAXPATH} - 44")
endif()
# 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("${DEEPDIR_LEN}" LESS "${MAXPATH}")
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(${CMAKE_GENERATOR} MATCHES "Watcom WMake")
add_library(testlib testlib.cxx)
add_executable (simple simple.cxx ../simple.cxx ${DEEPSRC})
target_link_libraries(simple testlib outlib)
endif ("${PROJECT_SOURCE_DIR}" STREQUAL "${ANOTHER_PROJ_SOURCE_DIR}")
# 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(NOT incDirs)
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