Tyler Roscoe wrote:
On Tue, Jun 16, 2009 at 07:41:20PM +0200, Floca Ralf Omar wrote:
using CMake 2.6.4 to build one of our projects an error occurred due to
the repeated usage of add_subdirectory on the same path.
In former versions of CMake the repeated usage was accepted and worked
fine.
I'm in the same boat.
CMake devs, what problem is this change designed to address? I don't see
anything in the release notes at
http://www.cmake.org/files/v2.6/CMakeChangeLog-2.6.4.
This was never expected to work, and CMake creates "bad" makefiles in
versions of CMake prior to this. Basically, CMake was over-writing the
makefiles as many times as the directory was there. This causes very
odd things to happen, and there were many reports of CMake is broken
because of this. It caused incorrect percent done reporting and
sometimes failed to build some targets altogether. If it was working
for you, you were getting lucky (or unlucky...).
-Bill
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