wdas/SeExpr — pull request #4 by davvid (2012-03-21 22:52:54+00:00)
Title: CMakeLists.txt: Allow users to override the CMAKE_INSTALL_PREFIX

Check whether CMAKE_INSTALL_PREFIX is defined before overwriting
its value. This allows users to specify an alternate install prefix
during the `cmake` invocation.

Signed-off-by: David Aguilar