1# This is a basic version file for the Config-mode of find_package().
2# It is used by write_basic_package_version_file() as input file for configure_file()
3# to create a version-file which can be installed along a config.cmake file.
4#
5# The created file sets PACKAGE_VERSION_EXACT if the current version string and
6# the requested version string are exactly the same and it sets
7# PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version,
8# but only if the requested major version is the same as the current one.
9# The variable CVF_VERSION must be set before calling configure_file().
10
11
12set(PACKAGE_VERSION "@CVF_VERSION@")
13
14if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
15  set(PACKAGE_VERSION_COMPATIBLE FALSE)
16else()
17
18  if("@CVF_VERSION@" MATCHES "^([0-9]+)\\.")
19    set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}")
20    if(NOT CVF_VERSION_MAJOR VERSION_EQUAL 0)
21      string(REGEX REPLACE "^0+" "" CVF_VERSION_MAJOR "${CVF_VERSION_MAJOR}")
22    endif()
23  else()
24    set(CVF_VERSION_MAJOR "@CVF_VERSION@")
25  endif()
26
27  if(PACKAGE_FIND_VERSION_RANGE)
28    # both endpoints of the range must have the expected major version
29    math (EXPR CVF_VERSION_MAJOR_NEXT "${CVF_VERSION_MAJOR} + 1")
30    if (NOT PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
31        OR ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX_MAJOR STREQUAL CVF_VERSION_MAJOR)
32          OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX VERSION_LESS_EQUAL CVF_VERSION_MAJOR_NEXT)))
33      set(PACKAGE_VERSION_COMPATIBLE FALSE)
34    elseif(PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
35        AND ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_LESS_EQUAL PACKAGE_FIND_VERSION_MAX)
36        OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION_MAX)))
37      set(PACKAGE_VERSION_COMPATIBLE TRUE)
38    else()
39      set(PACKAGE_VERSION_COMPATIBLE FALSE)
40    endif()
41  else()
42    if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR)
43      set(PACKAGE_VERSION_COMPATIBLE TRUE)
44    else()
45      set(PACKAGE_VERSION_COMPATIBLE FALSE)
46    endif()
47
48    if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
49      set(PACKAGE_VERSION_EXACT TRUE)
50    endif()
51  endif()
52endif()
53
54
55# if the installed project requested no architecture check, don't perform the check
56if("@CVF_ARCH_INDEPENDENT@")
57  return()
58endif()
59
60# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
61if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
62  return()
63endif()
64
65# check that the installed version has the same 32/64bit-ness as the one which is currently searching:
66if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
67  math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
68  set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
69  set(PACKAGE_VERSION_UNSUITABLE TRUE)
70endif()
71