On Dec 11, 2007 8:16 AM, Bill Hoffman <[EMAIL PROTECTED]> wrote: > Jian Wang wrote: > > > Why is IF("${VARIABLE}" MATCHES "^${VARIABLE}$") used instead of IF( > > ${VARIABLE} STREQUAL ${VARIABLE} ) (which would always return true)? > > I'm not sure of use case but I'd say it's checking for special > > characters in VARIABLE. > > > > If it's checking for special characters then I have to say that it's not > > the right way. For example, if VARIABLE == "a/b" then the IF statement > > is still TRUE. > > It is checking to see if the VARIABLE has a value at all. It is old > code before we had IF(DEFINED VARIABLE) but works with all versions of > CMake.
One of these days I'm going to try to construct a pathological input to make it barf. But I've still got other priorities. Cheers, Brandon Van Every _______________________________________________ CMake mailing list CMake@cmake.org http://www.cmake.org/mailman/listinfo/cmake