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More reliable .d file generation

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Also generated inside the obj dir instead of separate deps folder.
This commit is contained in:
Fred Sundvik 2016-07-30 18:16:34 +03:00
parent abdf42573a
commit e58e9af2ab
1 changed files with 16 additions and 8 deletions
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22
tmk_core/rules.mk
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@ -278,7 +278,7 @@ 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.
@ -288,6 +288,8 @@ ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(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
@ -390,17 +392,17 @@ BEGIN = gccversion check_submodule sizebefore
define GEN_OBJRULE
# Compile: create object files from C source files.
$1/%.o : %.c | $(BEGIN)
$1/%.o : %.c $1/%.d | $(BEGIN)
@mkdir -p $$(@D)
@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$< -o $$@)
$$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$< -o $$@ && $$(MOVE_DEP))
@$$(BUILD_CMD)
# Compile: create object files from C++ source files.
$1/%.o : %.cpp | $(BEGIN)
$1/%.o : %.cpp $1/%.d | $(BEGIN)
@mkdir -p $$(@D)
@$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$< -o $$@)
$$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
@$(BUILD_CMD)
# Assemble: create object files from assembler source files.
@ -409,9 +411,15 @@ $1/%.o : %.S | $(BEGIN)
@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_ASFLAGS) $$< -o $$@)
@$$(BUILD_CMD)
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)))
@ -515,7 +523,7 @@ $(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.