message: remove build library to make clean
diff: @@ -34,7 +34,6 @@ SUMO = no
  all: libs libscapi tests
  - echo $(WITH_EMP)
  libs: compile-openssl compile-boost compile-ntl compile-emp-tool compile-emp-ot compile-emp-m2pc compile-blake compile-FourQlib compile-miracl compile-otextension compile-otextension-malicious compile-otextension-bristol
  libscapi: directories $(SLib)
  directories: $(OUT_DIR)
  @@ -273,6 +272,7 @@ clean-cpp:
  @echo "cleaning lib"
  @rm -f $(SLib)
  @ rm -rf $(CURDIR)/install/
  + @ rm -rf $(CURDIR)/build/
  clean-install:
  @rm -rf install/*
  