only build afl-gcc-fast if afl-gcc-pass could be build
MODIFY
gcc_plugin/Makefile
gcc_plugin/Makefile
@@ -68,8 +68,7 @@ LDFLAGS_ADD=$(_LDFLAGS_ADD:0=-lrt)
CFLAGS += $(CFLAGS_ADD)
LDFLAGS += $(LDFLAGS_ADD)
-PROGS = ../afl-gcc-fast ../afl-gcc-pass.so ../afl-gcc-rt.o
-
+PROGS = ../afl-gcc-pass.so ../afl-gcc-fast ../afl-gcc-rt.o
all: test_shm test_deps $(PROGS) afl-gcc-fast.8 test_build all_done

only build afl-gcc-fast if afl-gcc-pass could be build