fixing cmake - builds should pass now - all cmake projects can be used by themselves and all depend on the assemble_single_header target (as they should - previous commit had changed that)
diff --git a/examples/all_features/CMakeLists.txt b/examples/all_features/CMakeLists.txt
index f8df5a0..069c7f2 100644
--- a/examples/all_features/CMakeLists.txt
+++ b/examples/all_features/CMakeLists.txt
@@ -1,9 +1,15 @@
+cmake_minimum_required(VERSION 3.0)
+
+project(all_features)
+
+include(../../scripts/cmake/common.cmake)
+
+include_directories(../../doctest/)
+
################################################################################
## BUILD ALL EXAMPLE SOURCES INTO A SINGLE BINARY AND EXECUTE TESTS ON EACH FILE
################################################################################
-project(all_features)
-
set(files
main.cpp
doctest_proxy.h