• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1set(PACKAGE_VERSION "@protobuf_VERSION@")
2set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "@protobuf_VERSION_PRERELEASE@" PARENT_SCOPE)
3
4# Prerelease versions cannot be passed in directly via the find_package command,
5# so we allow users to specify it in a variable
6if(NOT DEFINED "${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE")
7  set("${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}" "")
8else()
9  set(PACKAGE_FIND_VERSION ${PACKAGE_FIND_VERSION}-${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE})
10endif()
11set(PACKAGE_FIND_VERSION_PRERELEASE "${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}")
12
13# VERSION_EQUAL ignores the prerelease strings, so we use STREQUAL.
14if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
15  set(PACKAGE_VERSION_EXACT TRUE)
16endif()
17
18set(PACKAGE_VERSION_COMPATIBLE TRUE) #Assume true until shown otherwise
19
20if(PACKAGE_FIND_VERSION) #Only perform version checks if one is given
21  if(NOT PACKAGE_FIND_VERSION_MAJOR EQUAL "@protobuf_VERSION_MAJOR@")
22    set(PACKAGE_VERSION_COMPATIBLE FALSE)
23  elseif(PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION)
24    set(PACKAGE_VERSION_COMPATIBLE FALSE)
25  elseif(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
26    # Do not match prerelease versions to non-prerelease version requests.
27      if(NOT "@protobuf_VERSION_PRERELEASE@" STREQUAL "" AND PACKAGE_FIND_VERSION_PRERELEASE STREQUAL "")
28      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.")
29      set(PACKAGE_VERSION_COMPATIBLE FALSE)
30    endif()
31
32    # Not robustly SemVer compliant, but protobuf never uses '.' separated prerelease identifiers.
33    if(PACKAGE_FIND_VERSION_PRERELEASE STRGREATER "@protobuf_VERSION_PRERELEASE@")
34      set(PACKAGE_VERSION_COMPATIBLE FALSE)
35    endif()
36  endif()
37endif()
38
39# Check and save build options used to create this package
40macro(_check_and_save_build_option OPTION VALUE)
41  if(DEFINED ${PACKAGE_FIND_NAME}_${OPTION} AND
42    NOT ${PACKAGE_FIND_NAME}_${OPTION} STREQUAL ${VALUE})
43    set(PACKAGE_VERSION_UNSUITABLE TRUE)
44  endif()
45  set(${PACKAGE_FIND_NAME}_${OPTION} ${VALUE} PARENT_SCOPE)
46endmacro()
47_check_and_save_build_option(WITH_ZLIB @protobuf_WITH_ZLIB@)
48_check_and_save_build_option(MSVC_STATIC_RUNTIME @protobuf_MSVC_STATIC_RUNTIME@)
49_check_and_save_build_option(BUILD_SHARED_LIBS @protobuf_BUILD_SHARED_LIBS@)
50
51# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
52if(CMAKE_SIZEOF_VOID_P AND "@CMAKE_SIZEOF_VOID_P@")
53  # check that the installed version has the same 32/64bit-ness as the one which is currently searching:
54  if(NOT CMAKE_SIZEOF_VOID_P EQUAL "@CMAKE_SIZEOF_VOID_P@")
55    math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
56    set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
57    set(PACKAGE_VERSION_UNSUITABLE TRUE)
58  endif()
59endif()
60
61