Apparently NSIS 2.15 lacks a "v" in the version output string, which causes the regular expression used in cmCPackNSISGenerator [0] to fail.
The "v" was added back to the version string in 2.16 [1], and presumably exists all the way through NSIS version 2.46. [0] https://github.com/Kitware/CMake/blob/master/Source/CPack/cmCPackNSISGenerator.cxx#L435 [1] http://sourceforge.net/p/nsis/code/4550/ -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://www.cmake.org/mailman/listinfo/cmake