path: root/cmake/protobuf-config-version.cmake.in

set(PACKAGE_VERSION "@protobuf_VERSION@")

if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
  set(PACKAGE_VERSION_EXACT TRUE)
endif()

set(PACKAGE_VERSION_COMPATIBLE TRUE) #Assume true until shown otherwise

# Handle prerelease versions
set(PACKAGE_FIND_VERSION_PRERELEASE "${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}")
if(NOT "@protobuf_VERSION_PRERELEASE@" STREQUAL "")
  if(NOT ${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE)
    set(PACKAGE_VERSION_COMPATIBLE FALSE)
    message(AUTHOR_WARNING "To use this prerelease version of ${PACKAGE_FIND_NAME}, set ${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE to '@protobuf_VERSION_PRERELEASE@'.")
  endif()

  if(NOT "${PACKAGE_FIND_VERSION}-${PACKAGE_FIND_VERSION_PRERELEASE}" STREQUAL "${PACKAGE_VERSION}")
    set(PACKAGE_VERSION_COMPATIBLE FALSE)
  else()
    set(PACKAGE_VERSION_EXACT TRUE)
  endif()
else()
  if(NOT PACKAGE_FIND_VERSION_MAJOR EQUAL "@protobuf_VERSION_MAJOR@")
    set(PACKAGE_VERSION_COMPATIBLE FALSE)
  elseif(PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION)
    set(PACKAGE_VERSION_COMPATIBLE FALSE)
  endif()
endif()

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

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

set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "@protobuf_VERSION_PRERELEASE@" PARENT_SCOPE)