Update protobuf-config-version.cmake.in to correctly set the required variables (PACKAGE_VERSION_EXACT, PACKAGE_VERSION_COMPATIBLE, PACKAGE_VERSION_UNSUITABLE)

This commit is contained in:
Walter Gray 2016-05-19 15:24:18 -07:00
parent c034ba768f
commit 02a28a8fea

View File

@ -1 +1,36 @@
# 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@)
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()
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()