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Report version of Mac OS X in configuration log

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If we are building on Mac OS X, use the official operating system
version (e.g. 10.8) instead of the kernel version (e.g. 12.4).
This commit is contained in:
Roland Kaufmann 2013-08-24 22:26:42 +02:00
parent 217db0dd31
commit 751296cf5f
1 changed files with 21 additions and 0 deletions
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21
cmake/Modules/UseSystemInfo.cmake
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@ -5,6 +5,9 @@ function (system_info)
if (CMAKE_SYSTEM MATCHES "Linux")
distro_name (DISTRO_NAME)
message (STATUS "Linux distribution: ${DISTRO_NAME}")
elseif (CMAKE_SYSTEM MATCHES "Darwin")
sw_vers (OS_VERSION)
message (STATUS "${OS_VERSION}")
else (CMAKE_SYSTEM MATCHES "Linux")
message (STATUS "Operating system: ${CMAKE_SYSTEM}")
endif (CMAKE_SYSTEM MATCHES "Linux")
@ -13,6 +16,24 @@ function (system_info)
message (STATUS "Target architecture: ${TARGET_CPU}")
endfunction (system_info)
function (sw_vers varname)
# query operating system for information
exec_program (sw_vers OUTPUT_VARIABLE _vers)
# split multi-line into various fields
string (REPLACE "\n" ";" _vers "${_vers}")
string (REPLACE ":" ";" _vers "${_vers}")
# get the various fields
list (GET _vers 1 _prod_name)
list (GET _vers 3 _prod_vers)
list (GET _vers 5 _prod_build)
# remove extraneous whitespace
string (STRIP "${_prod_name}" _prod_name)
string (STRIP "${_prod_vers}" _prod_vers)
string (STRIP "${_prod_build}" _prod_build)
# assemble result variable
set (${varname} "${_prod_name} version: ${_prod_vers} (${_prod_build})" PARENT_SCOPE)
endfunction (sw_vers varname)
# probe various system files that may be found
function (distro_name varname)
file (GLOB has_os_release /etc/os-release)