build(core): introduce quiet mode

[no changelog]

core/Makefile

@@ -40,6 +40,7 @@ TEST_LANG ?= "en"
 NEW_RENDERING ?= 1
 THP ?= 0
 TREZOR_EMULATOR_DEBUGGABLE ?= 0
+QUIET_MODE ?= 0
 
 # OpenOCD interface default. Alternative: ftdi/olimex-arm-usb-tiny-h
 OPENOCD_INTERFACE ?= stlink
@@ -138,9 +139,15 @@ SCONS_VARS = \
 	TREZOR_EMULATOR_ASAN="$(ADDRESS_SANITIZER)" \
 	TREZOR_EMULATOR_DEBUGGABLE=$(TREZOR_EMULATOR_DEBUGGABLE) \
 	TREZOR_MEMPERF="$(TREZOR_MEMPERF)" \
-	TREZOR_MODEL="$(TREZOR_MODEL)"
+	TREZOR_MODEL="$(TREZOR_MODEL)" \
+	QUIET_MODE="$(QUIET_MODE)"
 
-SCONS = scons -Q -j $(JOBS) $(SCONS_VARS)
+SCONS_OPTS = -Q -j $(JOBS)
+ifeq ($(QUIET_MODE),1)
+SCONS_OPTS += --quiet
+endif
+
+SCONS = scons $(SCONS_OPTS) $(SCONS_VARS)
 
 ## help commands:
 

core/SConstruct

@@ -12,3 +12,6 @@ SConscript('SConscript.firmware', variant_dir='build/firmware', duplicate=False)
 SConscript('SConscript.prodtest', variant_dir='build/prodtest', duplicate=False)
 SConscript('SConscript.reflash', variant_dir='build/reflash', duplicate=False)
 SConscript('SConscript.unix', variant_dir='build/unix', duplicate=False)
+
+if ARGUMENTS.get('QUIET_MODE', '1'):
+    Progress('$TARGET\r', overwrite=True)