Am 02.07.2014 01:04, schrieb Rick McGuire:
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?
cmake --help-module FindSubversion
This gives you an example of exactly this at the end (it also fetches
the last commit message). And the macros in FindSubversion will already
care for the language issue.
Eike
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