[CMake] Getting the svn revision number of our source.

[Marcel Loose]

Hi,

The command

    SET(ENV{LC_ALL} C)

somewhere inside your cmake macro will do the trick. If you really care
about the original contents of LC_ALL you should save it first and
restore once your done.

BTW: you might consider using the Subversion_WC_INFO() macro in the
FindSubversion module.

Cheers,
Marcel Loose.


On 02/07/14 09:04, Eric Noulard wrote:
> May be you can avoid localized output by setting LANG env var to "C".
>
>
> Or you can ask svn for xml output which may not be localized e.g.
>
> # Get the SVN revision number of an svn command line client is
> # available.  This version will run at build time rather than only
> # at configuration generation time.
> FIND_PROGRAM(SVN_EXECUTABLE svn
>   DOC "subversion command line client")
>
> # only do this if we have an svn client.
> if (SVN_EXECUTABLE)
>     MACRO(Subversion_GET_REVISION dir variable)
>       EXECUTE_PROCESS(COMMAND ${SVN_EXECUTABLE} --xml info ${dir}
>         OUTPUT_VARIABLE ${variable}
>         OUTPUT_STRIP_TRAILING_WHITESPACE)
>       STRING(REGEX REPLACE ".*entry.*revision=\"([0-9]+)\"\n.*kind.*"
>         "\\1" ${variable} "${${variable}}")
>     ENDMACRO(Subversion_GET_REVISION)
>
>     Subversion_GET_REVISION(${CMAKE_SOURCE_DIR} ORX_BLD_LVL)
> endif ()
>
> message(STATUS "SVN Revision Number is ${ORX_BLD_LVL}")
>
>
>
>
> 2014-07-02 1:04 GMT+02:00 Rick McGuire <object.rexx at gmail.com
> <mailto:object.rexx at gmail.com>>:
>
>     We like to include the SVN revision number in our build artifacts
>     to help keep track of what version people are working with.  I
>     found the following code on the mailing lists which appears to
>     work fine:  
>
>     # Get the SVN revision number of an svn command line client is
>     # available.  This version will run at build time rather than only
>     # at configuration generation time.
>     FIND_PROGRAM(SVN_EXECUTABLE svn
>       DOC "subversion command line client")
>
>     # only do this if we have an svn client.
>     if (SVN_EXECUTABLE)
>         MACRO(Subversion_GET_REVISION dir variable)
>           EXECUTE_PROCESS(COMMAND ${SVN_EXECUTABLE} info ${dir}
>             OUTPUT_VARIABLE ${variable}
>             OUTPUT_STRIP_TRAILING_WHITESPACE)
>           STRING(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*"
>             "\\2" ${variable} "${${variable}}")
>         ENDMACRO(Subversion_GET_REVISION)
>
>         Subversion_GET_REVISION(${CMAKE_SOURCE_DIR} ORX_BLD_LVL)
>     endif ()
>
>     message(STATUS "SVN Revision Number is ${ORX_BLD_LVL}")
>
>     Unfortunately, the first person not in the core team who building was running a Spanish language version of SVN, so the ORX_BLD_LEVEL variable ended up with the entire output of the svn info command because it could not find the string REVISION.  This was not a good thing!
>
>     Is there a better way to obtain the SVN revision number that does not suffer from this sort of problem?
>
>     Rick
>
>
>     --
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