diff options
Diffstat (limited to 'cmake/protobuf-config-version.cmake.in')
-rw-r--r-- | cmake/protobuf-config-version.cmake.in | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/cmake/protobuf-config-version.cmake.in b/cmake/protobuf-config-version.cmake.in index 1f171c66..3b8ced2d 100644 --- a/cmake/protobuf-config-version.cmake.in +++ b/cmake/protobuf-config-version.cmake.in @@ -1 +1,58 @@ -set(PACKAGE_VERSION @protobuf_VERSION@) +set(PACKAGE_VERSION "@protobuf_VERSION@") +set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "@protobuf_VERSION_PRERELEASE@" PARENT_SCOPE) + +# Prerelease versions cannot be passed in directly via the find_package command, +# so we allow users to specify it in a variable +if(NOT DEFINED "${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}") + set("${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}" "") +else() + set(PACKAGE_FIND_VERSION ${PACKAGE_FIND_VERSION}-${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}) +endif() +set(PACKAGE_FIND_VERSION_PRERELEASE "${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}") + +# VERSION_EQUAL ignores the prerelease strings, so we use STREQUAL. +if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION) + set(PACKAGE_VERSION_EXACT TRUE) +endif() + +set(PACKAGE_VERSION_COMPATIBLE TRUE) #Assume true until shown otherwise + +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) +elseif(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION) + # Do not match prerelease versions to non-prerelease version requests. + if(NOT "@protobuf_VERSION_PRERELEASE@" STREQUAL "" AND PACKAGE_FIND_VERSION_PRERELEASE STREQUAL "") + message(AUTHOR_WARNING "To use this prerelease version of ${PACKAGE_FIND_NAME}, set ${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE to '@protobuf_VERSION_PRERELEASE@' or greater.") + set(PACKAGE_VERSION_COMPATIBLE FALSE) + endif() + + # Not robustly SemVer compliant, but protobuf never uses '.' separated prerelease identifiers. + if(PACKAGE_FIND_VERSION_PRERELEASE STRGREATER "@protobuf_VERSION_PRERELEASE@") + set(PACKAGE_VERSION_COMPATIBLE FALSE) + endif() +endif() + +# Check and save build options used to create this package +macro(_check_and_save_build_option OPTION VALUE) + if(DEFINED ${PACKAGE_FIND_NAME}_${OPTION} AND + NOT ${PACKAGE_FIND_NAME}_${OPTION} EQUAL VALUE) + set(PACKAGE_VERSION_UNSUITABLE TRUE) + endif() + set(${PACKAGE_FIND_NAME}_${OPTION} ${VALUE}) +endmacro() +_check_and_save_build_option(WITH_ZLIB @protobuf_WITH_ZLIB@) +_check_and_save_build_option(MSVC_STATIC_RUNTIME @protobuf_MSVC_STATIC_RUNTIME@) +_check_and_save_build_option(BUILD_SHARED_LIBS @protobuf_BUILD_SHARED_LIBS@) + +# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it: +if(NOT "${CMAKE_SIZEOF_VOID_P}" STREQUAL "" AND NOT "@CMAKE_SIZEOF_VOID_P@" STREQUAL "") + # 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() +endif() + |