One of the users I support complained about the following: add_library(foo a.c b.c) add_library(bar a.c c.c)
because a.c will be compiled twice (the real case is more complex of course but essentially the same thing with more files). While its possible to pull a.c out into a library and link against it, this adds complexity for the end users who need to think about it while updating the build files. Is it possible to convince cmake to automatically figure out it doesn't need to compile a.c twice, or at least to warn about the redundant compilation so the user can realize what is happening and work around it? thanks b.
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