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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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