Index: test/benchmarks/step_api/Makefile
===================================================================
--- /dev/null
+++ test/benchmarks/step_api/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
Index: test/make/Makefile.rules
===================================================================
--- test/make/Makefile.rules
+++ test/make/Makefile.rules
@@ -69,7 +69,13 @@
 #----------------------------------------------------------------------
 CC ?= clang
 ifeq "$(CC)" "cc"
-	CC = clang
+	ifneq "$(shell which clang)" ""
+		CC = clang
+	else ifneq "$(shell which clang-3.5)" ""
+		CC = clang-3.5
+	else ifneq "$(shell which gcc)" ""
+		CC = gcc
+	endif
 endif
 
 #----------------------------------------------------------------------