cmakelists.txt

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# vxl/config/cmake/config/CMakeLists.txt
#

PROJECT(vxl_config)
CMAKE_MINIMUM_REQUIRED(VERSION 1.8)
IF(COMMAND CMAKE_POLICY)
  CMAKE_POLICY(SET CMP0003 NEW)
ENDIF(COMMAND CMAKE_POLICY)

# When adding new configuration tests that cache results, please make
# sure they honour VXL_UPDATE_CONFIGURATION: if this variable is ON,
# redo the test and update the cached value.

#
# The tests results will be cached. Allow the user to re-run the tests
# if necessary This flag will be reset to "OFF" every time, so that
# the tests are typically just run once. Set it to ON to refresh your
# machine's configuration if you believe the test results are stale or
# wrong.
#
OPTION( VXL_UPDATE_CONFIGURATION "Re-run the configuration tests to update cached results?" "OFF" )
MARK_AS_ADVANCED( VXL_UPDATE_CONFIGURATION )

# The serial number below will allow the maintainers to force builds
# to update cached results. Whenever you make a change that makes it
# necessary for cached values to be updated, increment the serial
# number. The format follows a DNS-style numbering: the current date
# followed by a modification time within the day.
#
SET( VXL_CONFIG_SERIAL_CURRENT "2007-13-09-001" )

IF( ${VXL_CONFIG_SERIAL_CURRENT} MATCHES "^${VXL_CONFIG_SERIAL_LAST}$" )
  # The configuration is current
ELSE( ${VXL_CONFIG_SERIAL_CURRENT} MATCHES "^${VXL_CONFIG_SERIAL_LAST}$" )
  SET( VXL_UPDATE_CONFIGURATION "ON" )
  # Record that we've done the new config.
  SET( VXL_CONFIG_SERIAL_LAST ${VXL_CONFIG_SERIAL_CURRENT} CACHE INTERNAL "Serial number of last configuration" )
ENDIF( ${VXL_CONFIG_SERIAL_CURRENT} MATCHES "^${VXL_CONFIG_SERIAL_LAST}$" )



#
# Include necessary modules
#

INCLUDE (${CMAKE_ROOT}/Modules/CheckSymbolExists.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/TestBigEndian.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckTypeSize.cmake)

INCLUDE (${vxl_SOURCE_DIR}/config/cmake/config/vxl_config_macros.cmake)
#
# Perform all the specific tests
#

PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_BOOL)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_TYPENAME)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_EXPORT)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_MUTABLE)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_EXPLICIT)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_DYNAMIC_CAST)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_RTTI)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_FOR_SCOPE_HACK)
  SET_INVERT(VCL_FOR_SCOPE_HACK "${VCL_FOR_SCOPE_HACK}")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_DEFAULT_VALUE)
  SET_BOOL(VCL_DEFAULT_VALUE "/* no need */" " = x")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_MEMBER_TEMPLATES)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CAN_DO_PARTIAL_SPECIALIZATION)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_ALLOWS_INLINE_INSTANTIATION)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_NEEDS_INLINE_INSTANTIATION)
  SET_INVERT(VCL_NEEDS_INLINE_INSTANTIATION "${VCL_NEEDS_INLINE_INSTANTIATION}")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_STATIC_CONST_INIT_INT)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_STATIC_CONST_INIT_NO_DEFN)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_STATIC_CONST_INIT_FLOAT)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CAN_DO_STATIC_TEMPLATE_MEMBER)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CAN_DO_NON_TYPE_FUNCTION_TEMPLATE_PARAMETER)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_NEED_FRIEND_FOR_TEMPLATE_OVERLOAD)
  SET_INVERT(VCL_NEED_FRIEND_FOR_TEMPLATE_OVERLOAD "${VCL_NEED_FRIEND_FOR_TEMPLATE_OVERLOAD}")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_OVERLOAD_CAST)
  SET_BOOL(VCL_OVERLOAD_CAST "(x)" "((T)(x))")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_NULL_TMPL_ARGS)
  SET_BOOL(VCL_NULL_TMPL_ARGS "/* <> */" "<>")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_NO_STATIC_DATA_MEMBERS)
  SET_INVERT(VCL_NO_STATIC_DATA_MEMBERS "${VCL_NO_STATIC_DATA_MEMBERS}")
PERFORM_CMAKE_TEST_RUN(vxl_platform_tests.cxx VCL_HAS_TEMPLATE_SYMBOLS)
  SET_INVERT(VCL_HAS_TEMPLATE_SYMBOLS "${VCL_HAS_TEMPLATE_SYMBOLS}")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CAN_DO_IMPLICIT_TEMPLATES)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CAN_DO_COMPLETE_DEFAULT_TYPE_PARAMETER)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CAN_DO_TEMPLATE_DEFAULT_TYPE_PARAMETER)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_TEMPLATE_MATCHES_TOO_OFTEN)
  SET_INVERT(VCL_TEMPLATE_MATCHES_TOO_OFTEN "${VCL_TEMPLATE_MATCHES_TOO_OFTEN}")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_SUNPRO_CLASS_SCOPE_HACK)
  SET_BOOL(VCL_SUNPRO_CLASS_SCOPE_HACK "/* , A */" ", A")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_EXCEPTIONS)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_HAS_NAMESPACES)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_ALLOWS_NAMESPACE_STD)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_NEEDS_NAMESPACE_STD)
  SET_INVERT(VCL_NEEDS_NAMESPACE_STD "${VCL_NEEDS_NAMESPACE_STD}")
PERFORM_CMAKE_TEST_RUN(vxl_platform_tests.cxx VCL_HAS_SLICED_DESTRUCTOR_BUG)
  SET_INVERT(VCL_HAS_SLICED_DESTRUCTOR_BUG "${VCL_HAS_SLICED_DESTRUCTOR_BUG}")
PERFORM_CMAKE_TEST_RUN(vxl_platform_tests.cxx VCL_HAS_WORKING_STRINGSTREAM)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VXL_UNISTD_USLEEP_IS_VOID)
  SET_INVERT(VXL_UNISTD_USLEEP_IS_VOID "${VXL_UNISTD_USLEEP_IS_VOID}")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VXL_STDLIB_HAS_QSORT)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VXL_C_MATH_HAS_LROUND)
PERFORM_CMAKE_TEST_RUN(vxl_platform_tests.cxx VCL_HAS_LFS)
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VXL_HAS_DBGHELP_H)

# Test how to define a template specialization, and whether
# specializations can be properly distinguished by top-level
# cv-qualifiers.
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_DEFINE_SPECIALIZATION)
IF(NOT VCL_DEFINE_SPECIALIZATION)
  SET(CMAKE_REQUIRED_FLAGS "-DNOT_CONFORMING_SPECIALIZATION")
ENDIF(NOT VCL_DEFINE_SPECIALIZATION)
  SET_BOOL(VCL_DEFINE_SPECIALIZATION "template <>" "/* template <> */")
PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VCL_CANNOT_SPECIALIZE_CV)
  SET_INVERT(VCL_CANNOT_SPECIALIZE_CV "${VCL_CANNOT_SPECIALIZE_CV}")
SET(CMAKE_REQUIRED_FLAGS)

# Check if apple has __isnand or __inline_isnand
IF(APPLE)
  PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VXL_APPLE_HAS_ISNAND)
  IF(NOT ${VXL_APPLE_HAS_ISNAND})
    PERFORM_CMAKE_TEST(vxl_platform_tests.cxx VXL_APPLE_HAS_INLINE_ISNAND)
    IF( NOT ${VXL_APPLE_HAS_INLINE_ISNAND})
      MESSAGE(FATAL_ERROR "Neither the __isnand nor the __inline_isnand "
        "functions are available !")
    ENDIF( NOT ${VXL_APPLE_HAS_INLINE_ISNAND})  
  ENDIF(NOT ${VXL_APPLE_HAS_ISNAND})
ENDIF(APPLE)

#
# Find header files
#

PERFORM_CHECK_HEADER(cassert VCL_CXX_HAS_HEADER_CASSERT)
PERFORM_CHECK_HEADER(ciso646 VCL_CXX_HAS_HEADER_CISO646)
PERFORM_CHECK_HEADER(csetjmp VCL_CXX_HAS_HEADER_CSETJMP)
PERFORM_CHECK_HEADER(cstdio VCL_CXX_HAS_HEADER_CSTDIO)
PERFORM_CHECK_HEADER(ctime VCL_CXX_HAS_HEADER_CTIME)
PERFORM_CHECK_HEADER(cctype VCL_CXX_HAS_HEADER_CCTYPE)
PERFORM_CHECK_HEADER(climits VCL_CXX_HAS_HEADER_CLIMITS)
PERFORM_CHECK_HEADER(csignal VCL_CXX_HAS_HEADER_CSIGNAL)
PERFORM_CHECK_HEADER(cstdlib VCL_CXX_HAS_HEADER_CSTDLIB)
PERFORM_CHECK_HEADER(cwchar VCL_CXX_HAS_HEADER_CWCHAR)
PERFORM_CHECK_HEADER(cerrno VCL_CXX_HAS_HEADER_CERRNO)
PERFORM_CHECK_HEADER(clocale VCL_CXX_HAS_HEADER_CLOCALE)
PERFORM_CHECK_HEADER(cstdarg VCL_CXX_HAS_HEADER_CSTDARG)
PERFORM_CHECK_HEADER(cstring VCL_CXX_HAS_HEADER_CSTRING)
PERFORM_CHECK_HEADER(cwctype VCL_CXX_HAS_HEADER_CWCTYPE)
PERFORM_CHECK_HEADER(cfloat VCL_CXX_HAS_HEADER_CFLOAT)
PERFORM_CHECK_HEADER(cmath VCL_CXX_HAS_HEADER_CMATH)
PERFORM_CHECK_HEADER(cstddef VCL_CXX_HAS_HEADER_CSTDDEF)
PERFORM_CHECK_HEADER(algorithm VCL_CXX_HAS_HEADER_ALGORITHM)
PERFORM_CHECK_HEADER(iomanip VCL_CXX_HAS_HEADER_IOMANIP)
PERFORM_CHECK_HEADER(list VCL_CXX_HAS_HEADER_LIST)
PERFORM_CHECK_HEADER(ostream VCL_CXX_HAS_HEADER_OSTREAM)
PERFORM_CHECK_HEADER(streambuf VCL_CXX_HAS_HEADER_STREAMBUF)
PERFORM_CHECK_HEADER(bitset VCL_CXX_HAS_HEADER_BITSET)
PERFORM_CHECK_HEADER(ios VCL_CXX_HAS_HEADER_IOS)
PERFORM_CHECK_HEADER(locale VCL_CXX_HAS_HEADER_LOCALE)
PERFORM_CHECK_HEADER(queue VCL_CXX_HAS_HEADER_QUEUE)
PERFORM_CHECK_HEADER(string VCL_CXX_HAS_HEADER_STRING)
PERFORM_CHECK_HEADER(complex VCL_CXX_HAS_HEADER_COMPLEX)
PERFORM_CHECK_HEADER(iosfwd VCL_CXX_HAS_HEADER_IOSFWD)
PERFORM_CHECK_HEADER(map VCL_CXX_HAS_HEADER_MAP)
PERFORM_CHECK_HEADER(set VCL_CXX_HAS_HEADER_SET)
PERFORM_CHECK_HEADER(typeinfo VCL_CXX_HAS_HEADER_TYPEINFO)
PERFORM_CHECK_HEADER(deque VCL_CXX_HAS_HEADER_DEQUE)
PERFORM_CHECK_HEADER(iostream VCL_CXX_HAS_HEADER_IOSTREAM)
PERFORM_CHECK_HEADER(memory VCL_CXX_HAS_HEADER_MEMORY)
PERFORM_CHECK_HEADER(sstream VCL_CXX_HAS_HEADER_SSTREAM)
PERFORM_CHECK_HEADER(utility VCL_CXX_HAS_HEADER_UTILITY)