export BUILD
 all:
-       for TARGET in $(TARGETS); do            \
+       @for TARGET in $(TARGETS); do           \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                mkdir $$BUILD_TARGET  -p;       \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET;\
        done;
 
 run_tests: all
-       for TARGET in $(TARGETS); do \
+       @for TARGET in $(TARGETS); do \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
        done;
 
 hotplug:
-       for TARGET in $(TARGETS_HOTPLUG); do \
+       @for TARGET in $(TARGETS_HOTPLUG); do \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET;\
        done;
 
 run_hotplug: hotplug
-       for TARGET in $(TARGETS_HOTPLUG); do \
+       @for TARGET in $(TARGETS_HOTPLUG); do \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
        done;
 
 clean_hotplug:
-       for TARGET in $(TARGETS_HOTPLUG); do \
+       @for TARGET in $(TARGETS_HOTPLUG); do \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
        done;
 ifdef INSTALL_PATH
        @# Ask all targets to install their files
        mkdir -p $(INSTALL_PATH)
-       for TARGET in $(TARGETS); do \
+       @for TARGET in $(TARGETS); do \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \
        done;
 endif
 
 clean:
-       for TARGET in $(TARGETS); do \
+       @for TARGET in $(TARGETS); do \
                BUILD_TARGET=$$BUILD/$$TARGET;  \
                make OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
        done;