Merge pull request #14664 from miri64/make/feat/termlog

Makefile.include: add capability to log `make term` to file

Makefile.include

@@ -715,6 +715,9 @@ flash-only: $(FLASHDEPS)
 preflash: $(BUILD_BEFORE_FLASH)
 	$(PREFLASHER_PREFIX)$(PREFLASHER) $(PREFFLAGS)
 
+ifneq (,$(TERMLOG)$(TERMTEE))
+  TERMTEE ?= | tee -a $(TERMLOG)
+endif
 TERMFLASHDEPS ?= $(filter flash flash-only,$(MAKECMDGOALS))
 # Add TERMFLASHDEPS to TERMDEPS so it also applies to `test`
 TERMDEPS += $(TERMFLASHDEPS)
@@ -722,14 +725,14 @@ termdeps: $(TERMDEPS)
 
 term: $(TERMDEPS)
 	$(call check_cmd,$(TERMPROG),Terminal program)
-	$(TERMPROG) $(TERMFLAGS)
+	$(TERMPROG) $(TERMFLAGS) $(TERMTEE)
 
 # Term without the pyterm added logging
 # PYTERMFLAGS must be exported for `jlink.sh term-rtt`.
 cleanterm: export PYTERMFLAGS += --no-reconnect --noprefix --no-repeat-command-on-empty-line
 cleanterm: $(TERMDEPS)
 	$(call check_cmd,$(TERMPROG),Terminal program)
-	$(TERMPROG) $(TERMFLAGS)
+	$(TERMPROG) $(TERMFLAGS) $(TERMTEE)
 
 list-ttys:
 	$(Q)$(RIOTTOOLS)/usb-serial/list-ttys.sh

makefiles/vars.inc.mk

@@ -92,6 +92,8 @@ export WPEDANTIC             # Issue all (extensive) compiler warnings demanded
 export FLASH_ADDR            # Define an offset to flash code into ROM memory.
 # TERMPROG                   # The command to call on "make term".
 # TERMFLAGS                  # Additional parameters to supply to TERMPROG.
+# TERMLOG                    # Optional file to log "make term" output to.
+# TERMTEE                    # Optional pipe to redirect "make term" output. Default: '| tee -a ${TERMLOG}' when TERMLOG is defined else undefined.
 # PORT                       # The port to connect the TERMPROG to.
 export ELFFILE               # The unstripped result of the compilation.
 export HEXFILE               # The 'intel hex' stripped result of the compilation.