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For prerelease versions, require protobuf_FIND_VERSION to be set.

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This commit is contained in:
Walter Gray 2016-05-27 22:55:57 -07:00
parent f1091ab1aa
commit 0420eab173
1 changed files with 27 additions and 21 deletions
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48
cmake/protobuf-config-version.cmake.in
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@ -1,27 +1,31 @@
# 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_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
if(PACKAGE_FIND_VERSION_MAJOR STREQUAL @protobuf_VERSION_MAJOR@)
set(PACKAGE_VERSION_COMPATIBLE TRUE)
else()
set(PACKAGE_VERSION_COMPATIBLE FALSE)
endif()
if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
set(PACKAGE_VERSION_EXACT TRUE)
endif()
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("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
@ -34,3 +38,5 @@ if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
set(PACKAGE_VERSION_UNSUITABLE TRUE)
endif()
set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "@protobuf_VERSION_PRERELEASE@" PARENT_SCOPE)