BasicConfigVersion-AnyNewerVersion.cmake.in 1.43 KB
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# This is a basic version file for the Config-mode of find_package().
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# It is used by write_basic_package_version_file() as input file for configure_file()
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# to create a version-file which can be installed along a config.cmake file.
#
# The created file sets PACKAGE_VERSION_EXACT if the current version string and
# the requested version string are exactly the same and it sets
# PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version.
# The variable CVF_VERSION must be set before calling configure_file().

set(PACKAGE_VERSION "@CVF_VERSION@")

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if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
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  set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
  set(PACKAGE_VERSION_COMPATIBLE TRUE)
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  if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
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    set(PACKAGE_VERSION_EXACT TRUE)
  endif()
endif()
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# if the installed project requested no architecture check, don't perform the check
if("@CVF_ARCH_INDEPENDENT@")
  return()
endif()

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# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
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if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
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  return()
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endif()

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# check that the installed version has the same 32/64bit-ness as the one which is currently searching:
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if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
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  math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
  set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
  set(PACKAGE_VERSION_UNSUITABLE TRUE)
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endif()