Michael Jackson wrote:
The subtle difference is this line from the "macro" help section:
Note that the parameters to a macro and values such as ARGN are not
variables in the usual CMake sense. They are string replacements much
like the c preprocessor would do with a macro. If you want true CMake
variables you should look at the function command.
I should update this page to include functions and macros:
http://www.cmake.org/Wiki/CMake/Language_Syntax
The big difference is that functions have actual scope. I guess that
is missing from here:
http://www.cmake.org/cmake/help/cmake2.6docs.html#command:function
The scope issue is covered here:
http://www.cmake.org/cmake/help/cmake2.6docs.html#command:set
-Bill
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