# set TEST_PREFIX for subdirectories (they in turn can also add a sub-prefix):
set (TEST_PREFIX "${TEST_PREFIX}EXTERNAL_")

###############################################################################
# Automatically add all subdirectories (which contain CMakeLists.txt) to build
# This supersedes the method of manually defining the subdirectories
###############################################################################

file (GLOB SEARCH_SUBDIRS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*/CMakeLists.txt")
foreach (SEARCH_SUBDIR ${SEARCH_SUBDIRS})
	string (REGEX MATCH "^[^/]+" SUBDIR ${SEARCH_SUBDIR})
	add_subdirectory (${SUBDIR})
endforeach (SEARCH_SUBDIR)