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* ENH: Create $CACHE{VAR} syntaxBrad King2008-09-251-0/+14
| | | | | This syntax allows reading of cache entries even when variables of the same name have been defined in the local scope. See issue #7715.
* BUG: Fix Unset test on VS 6Brad King2008-08-302-2/+3
| | | | | Visual Studio 6 does not recognize .cc as a C++ extension by default. Simplify the test to be C-only and use a .c extension.
* ENH: Add unset() command.Brad King2008-08-252-0/+44
This introduces the unset() command to make it easy to unset CMake variables, environment variables, and CMake cache variables. Previously it was not even possible to unset ENV or CACHE variables (as in completely remove them). Changes based on patch from Philip Lowman. See issue #7507.