X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=rules.mk;h=83c9da5f84cd4917ff8d5908a1d3598e7b7e3893;hb=807ed33a9a29ee3c5248226d0e865d0580d7eebc;hp=e561eae631f03bc5da6db252bc8a31dfe5e94937;hpb=fca518f90dfc7f72132ff7950b000cfbd5709807;p=tmk_firmware.git

diff --git a/rules.mk b/rules.mk
index e561eae..83c9da5 100644
--- a/rules.mk
+++ b/rules.mk
@@ -158,6 +158,10 @@ CPPFLAGS += -funsigned-bitfields
 CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
+CPPFLAGS += -ffunction-sections
+CPPFLAGS += -fdata-sections
+# to supress "warning: only initialized variables can be placed into program memory area"
+CPPFLAGS += -w
 CPPFLAGS += -Wall
 CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
@@ -183,6 +187,7 @@ endif
 #  -listing-cont-lines: Sets the maximum number of continuation lines of hex 
 #       dump that will be displayed for a given single line of source input.
 ASFLAGS = $(ADEFS) -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
+ASFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
 ifdef CONFIG_H
     ASFLAGS += -include $(CONFIG_H)
 endif
@@ -247,7 +252,7 @@ EXTMEMOPTS =
 # 	(.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
 #
 LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
-LDFLAGS += -Wl,--relax
+#LDFLAGS += -Wl,--relax
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
 LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
@@ -335,15 +340,16 @@ LST = $(patsubst %.c,$(OBJDIR)/%.lst,$(patsubst %.cpp,$(OBJDIR)/%.lst,$(patsubst
 
 
 # Compiler flags to generate dependency files.
-GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+#GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+GENDEPFLAGS = -MMD -MP -MF .dep/$(subst /,_,$@).d
 
 
 # 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 = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
-ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
-ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
+ALL_CFLAGS = -mmcu=$(MCU) $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
+ALL_CPPFLAGS = -mmcu=$(MCU) -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
 
 
 
@@ -541,6 +547,7 @@ $(OBJDIR)/%.o : %.c
 # Compile: create object files from C++ source files.
 $(OBJDIR)/%.o : %.cpp
 	@echo
+	mkdir -p $(@D)
 	@echo $(MSG_COMPILING_CPP) $<
 	$(CC) -c $(ALL_CPPFLAGS) $< -o $@ 
 
@@ -558,13 +565,14 @@ $(OBJDIR)/%.o : %.cpp
 # Assemble: create object files from assembler source files.
 $(OBJDIR)/%.o : %.S
 	@echo
+	mkdir -p $(@D)
 	@echo $(MSG_ASSEMBLING) $<
 	$(CC) -c $(ALL_ASFLAGS) $< -o $@
 
 
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
-	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
+	$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@ 
 
 
 # Target: clean project.