set(PACKAGE_VERSION "3.0.0") | |
set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "" PARENT_SCOPE) | |
# Prerelease versions cannot be passed in directly via the find_package command, | |
# so we allow users to specify it in a variable | |
if(NOT DEFINED "${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 "3") | |
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 "" 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 '' 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 "") | |
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} ${VALUE}) | |
endmacro() | |
_check_and_save_build_option(WITH_ZLIB OFF) | |
_check_and_save_build_option(MSVC_STATIC_RUNTIME ON) | |
_check_and_save_build_option(BUILD_SHARED_LIBS OFF) | |
# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it: | |
if(NOT "${CMAKE_SIZEOF_VOID_P}" STREQUAL "" AND NOT "8" 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 "8") | |
math(EXPR installedBits "8 * 8") | |
set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)") | |
set(PACKAGE_VERSION_UNSUITABLE TRUE) | |
endif() | |
endif() | |