On Wed, Mar 4, 2009 at 3:21 PM, Bill O'Hara <billtoh...@gmail.com> wrote:
> Hi All, > > Say I have a CMakeLists.txt that does > > add_definitions(-DFOO=1) > add_subdirectory(bar) > > and in bar the CMakeLists.txt does > > add_definitions(-DFOO=2) > > The intention being that the code in the subdirectory needs the different > definition of FOO. Is there a straightforward way to temporarily override > the -DFOO? That is, when we go back up to the parent that -DFOO=1 now has > effect? My naive attempt above means that -DFOO=1 -DFOO=2 ends up in the > compiler arguments which causes things to break (the compiler doesn't like > FOO being redefined like that). > > Any hints? Have you tried remove_definitions()? -- Philip Lowman
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