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make: rename CFLAGS in target Makefiles to TGT_CFLAGS

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Renamed every instance of variable CFLAGS in target specific Makefiles
to TGT_CFLAGS to free up CFLAGS for user defined compiler flags.

Added information in README.md about existence and usage of CFLAGS
environment variable in build process.
This commit is contained in:
Tido Klaassen
2015-10-06 08:04:14 +02:00
committed by Karl Palsson
parent 9217a5f888
commit aad8d06c3f
25 changed files with 59 additions and 47 deletions
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2
lib/Makefile.include
View File

@@ -42,7 +42,7 @@ $(SRCLIBDIR)/$(LIBNAME).ld: $(LIBNAME).ld
%.o: %.c
@printf " CC $(<F)\n"
$(Q)$(CC) $(CFLAGS) -o $@ -c $<
$(Q)$(CC) $(TGT_CFLAGS) $(CFLAGS) -o $@ -c $<
clean:
$(Q)rm -f *.o *.d ../*.o ../*.d

4
lib/efm32/efm32g/Makefile
View File

@@ -26,14 +26,14 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -D$(FAMILY)
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS =

4
lib/efm32/efm32gg/Makefile
View File

@@ -26,14 +26,14 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -D$(FAMILY)
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS =

4
lib/efm32/efm32lg/Makefile
View File

@@ -26,14 +26,14 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -D$(FAMILY)
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS =

4
lib/efm32/efm32tg/Makefile
View File

@@ -26,14 +26,14 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -D$(FAMILY)
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS =

4
lib/lm3s/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DLM3S
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio.o vector.o assert.o

4
lib/lm4f/Makefile
View File

@@ -26,14 +26,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../include -fno-common \
-mcpu=cortex-m4 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DLM4F
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio.o vector.o assert.o systemcontrol.o rcc.o uart.o \

4
lib/lpc13xx/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DLPC13XX
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio.o

4
lib/lpc17xx/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DLPC17XX
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio.o pwr.o

4
lib/lpc43xx/m0/Makefile
View File

@@ -26,10 +26,10 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -O2 -Wall -Wextra -I../../../include -fno-common \
TGT_CFLAGS = -O2 -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m0 -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DLPC43XX -DLPC43XX_M0
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs

4
lib/lpc43xx/m4/Makefile
View File

@@ -28,7 +28,7 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -O2 \
TGT_CFLAGS = -O2 \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
@@ -36,7 +36,7 @@ CFLAGS = -O2 \
-mcpu=cortex-m4 -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD \
$(FP_FLAGS) -DLPC43XX -DLPC43XX_M4
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
ARFLAGS = rcs

4
lib/sam/3a/Makefile
View File

@@ -24,10 +24,10 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
TGT_CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSAM3A
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio_common_all.o gpio_common_3a3u3x.o pmc.o usart.o

4
lib/sam/3n/Makefile
View File

@@ -24,10 +24,10 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
TGT_CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSAM3N
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio_common_all.o gpio_common_3n3s.o pmc.o usart.o

4
lib/sam/3s/Makefile
View File

@@ -25,10 +25,10 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
TGT_CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSAM3S
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio_common_all.o gpio_common_3n3s.o pmc.o usart.o

4
lib/sam/3u/Makefile
View File

@@ -25,10 +25,10 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
TGT_CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSAM3U
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio_common_all.o gpio_common_3a3u3x.o pmc.o usart.o

4
lib/sam/3x/Makefile
View File

@@ -24,10 +24,10 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
TGT_CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSAM3X
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio_common_all.o gpio_common_3a3u3x.o pmc.o usart.o

4
lib/stm32/f0/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m0 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F0
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
ARFLAGS = rcs

4
lib/stm32/f1/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F1
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs

4
lib/stm32/f2/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F2
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs

4
lib/stm32/f3/Makefile
View File

@@ -25,14 +25,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m4 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F3
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
ARFLAGS = rcs

4
lib/stm32/f4/Makefile
View File

@@ -26,7 +26,7 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
@@ -34,7 +34,7 @@ CFLAGS = -Os \
-mcpu=cortex-m4 -mthumb $(FP_FLAGS) \
-Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F4
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs

4
lib/stm32/l0/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m0plus $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32L0
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
ARFLAGS = rcs

4
lib/stm32/l1/Makefile
View File

@@ -24,14 +24,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../../include -fno-common \
-mcpu=cortex-m3 $(FP_FLAGS) -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32L1
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = crc.o desig.o flash.o rcc.o usart.o dma.o lcd.o

4
lib/vf6xx/Makefile
View File

@@ -26,14 +26,14 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os \
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../include -fno-common \
-mcpu=cortex-m4 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DVF6XX
CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(DEBUG_FLAGS)
ARFLAGS = rcs
OBJS = ccm.o uart.o gpio.o iomuxc.o