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Use subfolders in bin dir

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Creating all object files in one directory is bound to produce name
clashes. RIOT developers may take care to use unique file names, but
external packages surely don't.

With this change all the objects of a module (e.g. `shell`) will be
created in `bin/$(BOARD)/$(MODULE)`.

I compared the final linker command before and after the change. The
`.o` files (e.g. `startup.o`, `syscall.o` ...) are included in the same
order. Neglecting the changed path name where the `.o` files reside, the
linker command stays exactly the same.

A major problem could be third party boards, because the location of the
`startup.o` needs to the specified now in
`boards/$(BOARD)/Makefile.include`, e.g.
```Makefile
export UNDEF += $(BINDIR)msp430_common/startup.o
```
This commit is contained in:
René Kijewski 2014-02-15 12:31:43 +01:00
parent 8a86f493b4
commit 3f59eefbaf
14 changed files with 38 additions and 21 deletions
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25
Makefile.base
View File

@ -1,13 +1,13 @@
ASMSRC = $(wildcard *.s)
ASSMSRC = $(wildcard *.S)
ASMOBJ = $(ASMSRC:%.s=$(BINDIR)%.o)
ASMOBJ += $(ASSMSRC:%.S=$(BINDIR)%.o)
ASMOBJ = $(ASMSRC:%.s=$(BINDIR)$(MODULE)/%.o)
ASMOBJ += $(ASSMSRC:%.S=$(BINDIR)$(MODULE)/%.o)
ifeq ($(strip $(SRC)),)
SRC = $(wildcard *.c)
endif
OBJ = $(SRC:%.c=$(BINDIR)%.o)
DEP = $(SRC:%.c=$(BINDIR)%.d)
OBJ = $(SRC:%.c=$(BINDIR)$(MODULE)/%.o)
DEP = $(SRC:%.c=$(BINDIR)$(MODULE)/%.d)
GIT_STRING := $(shell git describe --abbrev=4 --dirty=-`hostname`)
GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
@ -31,16 +31,19 @@ $(BINDIR)$(MODULE).a: $(OBJ) $(ASMOBJ)
# compile and generate dependency info,
# prepend path to dependency info file
$(BINDIR)%.o: %.c
$(AD)$(CC) $(CFLAGS) $(INCLUDES) -c $*.c -o $(BINDIR)$*.o
$(BINDIR)$(MODULE)/%.o: %.c
@mkdir -p $(BINDIR)$(MODULE)
$(AD)$(CC) $(CFLAGS) $(INCLUDES) -c $*.c -o $(BINDIR)$(MODULE)/$*.o
$(AD)$(CC) $(CFLAGS) $(INCLUDES) -MM $*.c |\
sed -e "1s|^|$(BINDIR)|" > $(BINDIR)$*.d
sed -e "1s|^|$(BINDIR)$(MODULE)/|" > $(BINDIR)$(MODULE)/$*.d
$(BINDIR)%.o: %.s
$(AD)$(AS) $(ASFLAGS) $*.s -o $(BINDIR)$*.o
$(BINDIR)$(MODULE)/%.o: %.s
@mkdir -p $(BINDIR)$(MODULE)
$(AD)$(AS) $(ASFLAGS) $*.s -o $(BINDIR)$(MODULE)/$*.o
$(BINDIR)%.o: %.S
$(AD)$(CC) -c $(CFLAGS) $*.S -o $(BINDIR)$*.o
$(BINDIR)$(MODULE)/%.o: %.S
@mkdir -p $(BINDIR)$(MODULE)
$(AD)$(CC) -c $(CFLAGS) $*.S -o $(BINDIR)$(MODULE)/$*.o
# remove compilation products
clean::

2
Makefile.modules
View File

@ -1,5 +1,3 @@
UNDEF += $(BINDIR)startup.o
include $(RIOTBASE)/Makefile.pseudomodules
include $(RIOTBASE)/Makefile.defaultmodules

4
boards/chronos/Makefile.include
View File

@ -14,11 +14,13 @@ export AS = $(PREFIX)as
export LINK = $(PREFIX)gcc
export SIZE = $(PREFIX)size
export OBJCOPY = $(PREFIX)objcopy
export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)startup.o
export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)msp430_common/startup.o
export FLASHER = mspdebug
export HEXFILE = $(BINDIR)$(PROJECT).hex
export USEMODULE += msp430_common
export FFLAGS = rf2500 "prog $(HEXFILE)"
export OFLAGS = -O ihex
export UNDEF += $(BINDIR)msp430_common/startup.o
include $(RIOTBOARD)/$(BOARD)/Makefile.dep

2
boards/mbed_lpc1768/Makefile.include
View File

@ -25,3 +25,5 @@ export DEBUGGER_FLAGS = $(ELFFILE)
export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include/ -I$(RIOTCPU)/$(CPU)/include
export OFLAGS = -O binary
export UNDEF += $(BINDIR)cpu/startup.o

2
boards/msb-430-common/Makefile.include
View File

@ -29,3 +29,5 @@ export FFLAGS += "prog $(HEXFILE)"
export USEMODULE += msp430_common
export INCLUDES += -I$(RIOTCPU)/msp430-common/include/ -I$(RIOTBOARD)/msb-430-common/include -I$(RIOTBOARD)/msb-430-common/drivers/include
export OFLAGS = -O ihex
export UNDEF += $(BINDIR)msp430_common/startup.o

2
boards/msba2-common/Makefile.include
View File

@ -26,3 +26,5 @@ include $(RIOTBOARD)/msba2-common/Makefile.dep
export INCLUDES += -I$(RIOTBOARD)/msba2-common/include -I$(RIOTBOARD)/msba2-common/drivers/include
export OFLAGS = -O ihex
export UNDEF += $(BINDIR)cpu/startup.o

2
boards/native/Makefile.include
View File

@ -88,3 +88,5 @@ eval-gprof:
eval-cachegrind:
$(CGANNOTATE) $(shell ls -rt cachegrind.out* | tail -1)
export UNDEF += $(BINDIR)cpu/startup.o

4
boards/redbee-econotag/Makefile.include
View File

@ -28,7 +28,7 @@ export HEXFILE = $(BINDIR)/$(PROJECT).hex
export FFLAGS = -t $(PORT) -f $(HEXFILE) -c 'bbmc -l redbee-econotag reset'
export OFLAGS = -O binary --gap-fill=0xff
export INCLUDES += -I$(RIOTCPU)/$(CPU)/include/ -I$(RIOTBOARD)/$(BOARD)/include
export INCLUDES += -I$(RIOTCPU)/$(CPU)/include/ -I$(RIOTBOARD)/$(BOARD)/include/
# un-comment once https://github.com/RIOT-OS/RIOT/issues/676 is fixed
#ifneq (,$(filter defaulttransceiver,$(USEMODULE)))
@ -39,3 +39,5 @@ export INCLUDES += -I$(RIOTCPU)/$(CPU)/include/ -I$(RIOTBOARD)/$(BOARD)/include
# USEMODULE += transceiver
# endif
#endif
export UNDEF += $(BINDIR)cpu/startup.o

4
boards/telosb/Makefile.include
View File

@ -13,7 +13,7 @@ export AS = $(PREFIX)as
export LINK = $(PREFIX)gcc
export SIZE = $(PREFIX)size
export OBJCOPY = $(PREFIX)objcopy
export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)startup.o
export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)msp430_common/startup.o
export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm.py
export FLASHER = goodfet.bsl
ifeq ($(strip $(PORT)),)
@ -33,3 +33,5 @@ ifneq (,$(filter defaulttransceiver,$(USEMODULE)))
USEMODULE += transceiver
endif
endif
export UNDEF += $(BINDIR)msp430_common/startup.o

4
boards/wsn430-common/Makefile.include
View File

@ -12,7 +12,7 @@ export AS = $(PREFIX)as
export LINK = $(PREFIX)gcc
export SIZE = $(PREFIX)size
export OBJCOPY = $(PREFIX)objcopy
export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)startup.o
export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)msp430_common/startup.o
export FLASHER = mspdebug
ifeq ($(strip $(PORT)),)
export PORT = /dev/ttyUSB0
@ -22,3 +22,5 @@ export FFLAGS = -d $(PORT) -j uif "prog $(HEXFILE)"
export INCLUDES += -I$(RIOTBOARD)/wsn430-common/include
export OFLAGS = -O ihex
export UNDEF += $(BINDIR)msp430_common/startup.o

2
cpu/arm_common/Makefile.include
View File

@ -1,3 +1,3 @@
INCLUDES += -I$(RIOTBASE)/cpu/arm_common/include/
export UNDEF += $(BINDIR)syscalls.o
export UNDEF += $(BINDIR)arm_common/syscalls.o

2
cpu/lpc1768/Makefile.include
View File

@ -1,3 +1,3 @@
INCLUDES += -I$(RIOTBASE)/cpu/lpc1768/include
export UNDEF += $(BINDIR)syscalls.o
export UNDEF += $(BINDIR)cpu/syscalls.o

2
cpu/lpc_common/Makefile.include
View File

@ -1,3 +1,3 @@
INCLUDES += -I$(RIOTCPU)/lpc_common/include
export UNDEF += $(BINDIR)lpc_syscalls.o
export UNDEF += $(BINDIR)lpc_common/lpc_syscalls.o

2
cpu/mc1322x/Makefile.include
View File

@ -2,6 +2,6 @@ INCLUDES += -I$(RIOTBASE)/cpu/mc1322x/include
include $(RIOTCPU)/arm_common/Makefile.include
export UNDEF += $(BINDIR)mc1322x_syscalls.o
export UNDEF += $(BINDIR)cpu/mc1322x_syscalls.o
export USEMODULE += arm_common