Buildsystem/OSX: Properly set CONF_DIR and LIBSDIR (feedback needed)

Fixes issue 3703

--HG--
branch : trunk

cmake/platform/settings.osx.cmake

@@ -1,3 +1,29 @@
 set(MACOSX 1)
 set(OSX_LIBS /usr/lib/libcrypto.dylib)
 add_definitions(-D__ASSERTMACROS__)
+
+# set default configuration directory
+if( NOT CONF_DIR )
+  set(CONF_DIR ${CMAKE_INSTALL_PREFIX}/etc)
+  message(STATUS "OSX: Using default configuration directory")
+endif()
+
+# set default library directory
+if( NOT LIBSDIR )
+  set(LIBSDIR ${CMAKE_INSTALL_PREFIX}/lib)
+  message(STATUS "OSX: Using default library directory")
+endif()
+
+# configure uninstaller
+configure_file(
+  "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+  IMMEDIATE @ONLY
+)
+message(STATUS "OSX: Configuring uninstall target")
+
+# create uninstaller target (allows for using "make uninstall")
+add_custom_target(uninstall
+  "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+)
+message(STATUS "OSX: Created uninstall target")