Am Freitag, 3. Oktober 2014, 14:34:38 schrieb Brad King:
> On 10/03/2014 12:47 PM, Rolf Eike Beer wrote:
> > + # give an exact match if the first ${NAME}_FIND_VERSION_COUNT
> > components of the version string match + # this constructs the
> > equivalent of "(([^.]\\.){${${_NAME}_FIND_VERSION_COUNT}})" +
> > unset(_VERSION_REGEX)
> > + # foreach(RANGE) doesn't like it if stop is greater start
> > + if (${${_NAME}_FIND_VERSION_COUNT} GREATER 1)
> > + foreach (_NUM RANGE 2 ${${_NAME}_FIND_VERSION_COUNT})
> > + set(_VERSION_REGEX "${_VERSION_REGEX}[^.]*\\.")
> > + endforeach ()
> > + endif ()
>
> Since _FIND_VERSION_COUNT is always [0-4], I think a hand-coded lookup
> table may be simpler and faster.
Yes.
> > + string(REGEX REPLACE "^(${_VERSION_REGEX}[^.]*)\\..*" "\\1"
> > _VERSION_HEAD "${VERSION}")
> Perhaps use something like
>
> if(VERSION MATCHES "^(${_VERSION_REGEX}[^.]*)\\..*")
> set(_VERSION_HEAD "${CMAKE_MATCH_1}")
> else()
> message(... bad VERSION in call to fphsa...)
> endif()
>
> in case something fails to match for some reason.
I counted the number of dots before, so there must be a match.
Eike
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