Merge remote-tracking branch 'upstream/master'

1 files changed, 57 insertions, 39 deletions

diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index c81fa68541..d2350f27c1 100644
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -15,6 +15,16 @@
 # Carlos Lamas
 #
 
+# Enable vpath seraching for source files only
+# Without this, output files, could be read from the wrong .build directories
+VPATH_SRC := $(VPATH)
+vpath %.c $(VPATH_SRC)
+vpath %.h $(VPATH_SRC)
+vpath %.cpp $(VPATH_SRC)
+vpath %.hpp $(VPATH_SRC)
+vpath %.S $(VPATH_SRC)
+VPATH :=
+
 
 # Output format. (can be srec, ihex, binary)
 FORMAT = ihex
@@ -35,11 +45,6 @@ ifeq ($(COLOR),true)
 	BOLD=\033[1m
 endif
 
-ifdef quick
-	QUICK = $(quick)
-endif
-
-QUICK ?= false
 AUTOGEN ?= false
 
 ifneq ($(shell awk --version 2>/dev/null),)
@@ -71,7 +76,7 @@ BUILD_CMD = LOG=$$($(CMD) 2>&1) ; if [ $$? -gt 0 ]; then $(PRINT_ERROR); elif [
 #     Each directory must be seperated by a space.
 #     Use forward slashes for directory separators.
 #     For a directory that has spaces, enclose it in quotes.
-EXTRAINCDIRS += $(subst :, ,$(VPATH))
+EXTRAINCDIRS += $(subst :, ,$(VPATH_SRC))
 
 
 # Compiler flag to set the C Standard level.
@@ -268,22 +273,21 @@ LST = $(patsubst %.c,$(OBJDIR)/%.lst,$(patsubst %.cpp,$(OBJDIR)/%.lst,$(patsubst
 
 # Compiler flags to generate dependency files.
 #GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
-GENDEPFLAGS = -MMD -MP -MF $(BUILD_DIR)/.dep/$(subst /,_,$(subst $(BUILD_DIR)/,,$@)).d
+GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
 
 
 # Combine all necessary flags and optional flags.
 # Add target processor to flags.
 # You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
-ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
-ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
+ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
+ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS)
 ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
 
+MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
+
 # Default target.
 all: build sizeafter
 
-# Quick make that doesn't clean
-quick: build sizeafter
-
 # Change the build target to build a HEX file or a library.
 build: elf hex
 #build: elf hex eep lss sym
@@ -373,35 +377,62 @@ BEGIN = gccversion check_submodule sizebefore
 # Link: create ELF output file from object files.
 .SECONDARY : $(BUILD_DIR)/$(TARGET).elf
 .PRECIOUS : $(OBJ)
-%.elf: $(OBJ) | $(BEGIN)
+# Note the obj.txt depeendency is there to force linking if a source file is deleted
+%.elf: $(OBJ) $(OBJDIR)/cflags.txt $(OBJDIR)/ldflags.txt $(OBJDIR)/obj.txt | $(BEGIN)
 	@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
-	$(eval CMD=$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS))
+	$(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
 	@$(BUILD_CMD)
 
 define GEN_OBJRULE
 # Compile: create object files from C source files.
-$1/%.o : %.c | $(BEGIN)
+$1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
 	@mkdir -p $$(@D)
 	@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
-	$$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$< -o $$@)
+	$$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
 	@$$(BUILD_CMD)
 
 # Compile: create object files from C++ source files.
-$1/%.o : %.cpp | $(BEGIN)
+$1/%.o : %.cpp $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
 	@mkdir -p $$(@D)
 	@$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
-	$$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$< -o $$@)
+	$$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
 	@$(BUILD_CMD)
 
 # Assemble: create object files from assembler source files.
-$1/%.o : %.S | $(BEGIN)
+$1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
 	@mkdir -p $$(@D)
 	@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
 	$$(eval CMD=$$(CC) -c $$(ALL_ASFLAGS) $$< -o $$@)
 	@$$(BUILD_CMD)
 
+$1/force:
+
+$1/cflags.txt: $1/force
+	echo '$$(ALL_CFLAGS)' | cmp -s - $$@ || echo '$$(ALL_CFLAGS)' > $$@
+
+$1/cppflags.txt: $1/force
+	echo '$$(ALL_CPPFLAGS)' | cmp -s - $$@ || echo '$$(ALL_CPPFLAGS)' > $$@
+
+$1/asflags.txt: $1/force
+	echo '$$(ALL_ASFLAGS)' | cmp -s - $$@ || echo '$$(ALL_ASFLAGS)' > $$@
+
+$1/ldflags.txt: $1/force
+	echo '$$(LDFLAGS)' | cmp -s - $$@ || echo '$$(LDFLAGS)' > $$@
+
+$1/obj.txt: $1/force
+	echo '$$(OBJ)' | cmp -s - $$@ || echo '$$(OBJ)' > $$@
+
+$1/compiler.txt: $1/force
+	$$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
 endef
 
+# We have to use static rules for the .d files for some reason
+DEPS = $(patsubst %.o,%.d,$(OBJ))
+# Keep the .d files
+.PRECIOUS: $(DEPS)
+# Empty rule to force recompilation if the .d file is missing
+$(DEPS):
+
 # Since the object files could be in two different folders, generate
 # separate rules for them, rather than having too generic rules
 $(eval $(call GEN_OBJRULE,$(OBJDIR)))
@@ -424,7 +455,10 @@ $(eval $(call GEN_OBJRULE,$(KBOBJDIR)))
 	$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
 
 # Target: clean project.
-clean: 
+clean:
+	$(REMOVE) -r $(OBJDIR) 2>/dev/null
+	$(REMOVE) -r $(KBOBJDIR) 2>/dev/null
+	$(REMOVE) $(BUILD_DIR)/$(TARGET).*
 
 show_path:
 	@echo VPATH=$(VPATH)
@@ -444,7 +478,6 @@ all-keyboards-defaults: all-keyboards-defaults-all
 
 KEYBOARDS := $(SUBDIRS:$(TOP_DIR)/keyboards/%/=/keyboards/%)
 all-keyboards-all: $(addsuffix -all,$(KEYBOARDS))
-all-keyboards-quick: $(addsuffix -quick,$(KEYBOARDS))
 all-keyboards-clean: $(addsuffix -clean,$(KEYBOARDS))
 all-keyboards: all-keyboards-all
 
@@ -461,12 +494,10 @@ done
 endef
 
 define make_keyboard_helper
-# Just remove the -quick, -all and so on from the first argument and pass it forward
+# Just remove the -all and so on from the first argument and pass it forward
 $(call make_keyboard,$(subst -$2,,$1),$2)
 endef
 
-/keyboards/%-quick:
-	$(call make_keyboard_helper,$@,quick)
 /keyboards/%-all:
 	$(call make_keyboard_helper,$@,all)
 /keyboards/%-clean:
@@ -484,19 +515,6 @@ all-keymaps-%:
 
 all-keymaps: all-keymaps-all
 
-GOAL=$(MAKECMDGOALS)
-ifeq ($(MAKECMDGOALS),)
-GOAL = all
-endif
-CLEANING_GOALS=clean clean_list all
-ifneq ($(findstring $(GOAL),$(CLEANING_GOALS)),)
-$(shell $(REMOVE) -r $(BUILD_DIR) 2>/dev/null)
-$(shell $(REMOVE) -r $(TOP_DIR)/$(BUILD_DIR))
-$(shell $(REMOVE) -r $(KEYBOARD_PATH)/$(BUILD_DIR))
-$(shell if $$SUBPROJECT; then $(REMOVE) -r $(SUBPROJECT_PATH)/$(BUILD_DIR); fi)
-$(shell $(REMOVE) -r $(KEYMAP_PATH)/$(BUILD_DIR))
-endif
-
 # Create build directory
 $(shell mkdir $(BUILD_DIR) 2>/dev/null)
 
@@ -505,11 +523,11 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 $(shell mkdir $(KBOBJDIR) 2>/dev/null)
 
 # Include the dependency files.
--include $(shell mkdir $(BUILD_DIR)/.dep 2>/dev/null) $(wildcard $(BUILD_DIR)/.dep/*)
+-include $(patsubst %.o,%.d,$(OBJ))
 
 
 # Listing of phony targets.
-.PHONY : all quick finish sizebefore sizeafter gccversion \
+.PHONY : all finish sizebefore sizeafter gccversion \
 build elf hex eep lss sym coff extcoff check_submodule \
 clean clean_list debug gdb-config show_path \
 program teensy dfu flip dfu-ee flip-ee dfu-start \