Orion Poplawski wrote:
Various projects using cmake state that they don't support in source
tree builds. Is this a general case for cmake projects?
No, it is not a general case. CMake itself can be built either way.
We're working on packaging guidelines for cmake projects in Fedora.
Draft is here: http://fedoraproject.org/wiki/PackagingDrafts/cmake.
Currently this does an in source tree build.
I currently do:
mkdir fedora
pushd fedora
cmake ..
In which the build directory is a subdirectory of the source tree.
I've also seen recommendations for a parallel directory, e.g.:
cmake ../source
Is this preferred over the former?
Both of these cases are considered out-of-source builds. Both should
work equally well. In source would be:
cd source
cmake .
What are the issues that arise? In general with RPM packaging you are
starting with a clean freshly unpacked source tree.
It really depends on the project. There are no cmake imposed
limitations on this.
-Bill
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