build size-check enhancement (#5485)

[qmk_firmware.git] / tmk_core / rules.mk

diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index c43f14292aaf39e26d044b65ebea308c9fcaed82..3a322cee4f2569be177c97dd0c70e0a81fb57e26 100644 (file)
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -383,6 +383,8 @@ show_path:
        @echo OBJ=$(OBJ)
 
 ifeq ($(findstring avr-gcc,$(CC)),avr-gcc)
+SIZE_MARGIN = 1024
+
 check-size:
        $(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) $(CFLAGS) $(OPT_DEFS) tmk_core/common/avr/bootloader_size.c 2> /dev/null | sed -ne '/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
        $(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
@@ -390,7 +392,15 @@ check-size:
        $(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
        if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
                $(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
-               if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); else $(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)";  fi \
+               if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then \
+                   printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); \
+               else \
+                   if [ $(FREE_SIZE) -lt $(SIZE_MARGIN) ]; then \
+                       $(PRINT_WARNING_PLAIN); printf " * $(MSG_FILE_NEAR_LIMIT)"; \
+                   else \
+                       $(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; \
+                   fi \
+               fi \
        fi
 else
 check-size: