diff --git a/cmake/protobuf-config-version.cmake.in b/cmake/protobuf-config-version.cmake.in index cc11037a2c..5481022d98 100644 --- a/cmake/protobuf-config-version.cmake.in +++ b/cmake/protobuf-config-version.cmake.in @@ -1,28 +1,32 @@ -# This is a basic version file for the Config-mode of find_package(). -# It is derived from the format suggested in the CMake module -# CMakePackageConfigHelpers. introduced in CMake 2.8.8. -# If the cmake_minimum_required version is ever bumped to 2.8.8 or -# above, this file may be deleted and replaced with a call to -# write_basic_package_version_file(...) +set(PACKAGE_VERSION "@protobuf_VERSION@") -set(PACKAGE_VERSION @protobuf_VERSION@) +if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION) + set(PACKAGE_VERSION_EXACT TRUE) +endif() -if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION) - set(PACKAGE_VERSION_COMPATIBLE FALSE) -else() +set(PACKAGE_VERSION_COMPATIBLE TRUE) #Assume true until shown otherwise - if(PACKAGE_FIND_VERSION_MAJOR STREQUAL @protobuf_VERSION_MAJOR@) - set(PACKAGE_VERSION_COMPATIBLE TRUE) - else() +# 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 ${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE to '@protobuf_VERSION_PRERELEASE@'.") endif() - if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION) - set(PACKAGE_VERSION_EXACT TRUE) + if(NOT "${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("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "") return() @@ -34,3 +38,5 @@ if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@") set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)") set(PACKAGE_VERSION_UNSUITABLE TRUE) endif() + +set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "@protobuf_VERSION_PRERELEASE@" PARENT_SCOPE)