CMake/Modules/BasicConfigVersion-AnyNewerVersion.cmake.in
Alex Neundorf 00ae36fdff write_basic_package_version_file() now works with unset CMAKE_SIZEOF_VOID_P
This fixes #13241.
If CMAKE_SIZEOF_VOID_P is not set, either in the installed or in the
using project, don't check for it.

Alex
2012-05-23 20:46:48 +02:00

32 lines
1.3 KiB
CMake

# This is a basic version file for the Config-mode of find_package().
# It is used by WriteBasicConfigVersionFile.cmake as input file for configure_file()
# to create a version-file which can be installed along a config.cmake file.
#
# The created file sets PACKAGE_VERSION_EXACT if the current version string and
# the requested version string are exactly the same and it sets
# PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version.
# The variable CVF_VERSION must be set before calling configure_file().
set(PACKAGE_VERSION "@CVF_VERSION@")
if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}" )
set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
set(PACKAGE_VERSION_COMPATIBLE TRUE)
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()