| Thomas Petazzoni | a354e38 | 2016-04-15 23:02:18 +0200 | [diff] [blame] | 1 | From 0d581abe6620ac69adec321b94390e009802f36a Mon Sep 17 00:00:00 2001 |
| 2 | From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| 3 | Date: Sun, 13 Mar 2016 14:32:33 +0100 |
| 4 | Subject: [PATCH] Use ld instead of gcc for linking |
| 5 | |
| 6 | Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| 7 | --- |
| 8 | Makefile | 11 ++++++----- |
| 9 | 1 file changed, 6 insertions(+), 5 deletions(-) |
| 10 | |
| 11 | diff --git a/Makefile b/Makefile |
| 12 | index ce40314..271bb4f 100644 |
| 13 | --- a/Makefile |
| 14 | +++ b/Makefile |
| 15 | @@ -1,6 +1,7 @@ |
| 16 | CROSS_COMPILE ?= arm-none-eabi- |
| 17 | |
| 18 | CC = $(CROSS_COMPILE)gcc |
| 19 | +LD = $(CROSS_COMPILE)ld |
| 20 | OBJCOPY = $(CROSS_COMPILE)objcopy |
| 21 | OBJDUMP = $(CROSS_COMPILE)objdump |
| 22 | SIZE = $(CROSS_COMPILE)size |
| 23 | @@ -10,7 +11,7 @@ OPENOCD = openocd |
| 24 | CFLAGS := -mthumb -mcpu=cortex-m4 |
| 25 | CFLAGS += -ffunction-sections -fdata-sections |
| 26 | CFLAGS += -Os -std=gnu99 -Wall |
| 27 | -LDFLAGS := -nostartfiles -Wl,--gc-sections |
| 28 | +LINKERFLAGS := -nostartfiles --gc-sections |
| 29 | |
| 30 | obj-y += gpio.o mpu.o |
| 31 | obj-f4 += $(obj-y) usart-f4.o |
| 32 | @@ -22,22 +23,22 @@ all: stm32f429i-disco stm32429i-eval stm32f469i-disco stm32746g-eval |
| 33 | $(CC) -c $(CFLAGS) $< -o $@ |
| 34 | |
| 35 | stm32f429i-disco: stm32f429i-disco.o $(obj-f4) |
| 36 | - $(CC) -T stm32f429.lds $(LDFLAGS) -o stm32f429i-disco.elf stm32f429i-disco.o $(obj-f4) |
| 37 | + $(LD) -T stm32f429.lds $(LINKERFLAGS) -o stm32f429i-disco.elf stm32f429i-disco.o $(obj-f4) |
| 38 | $(OBJCOPY) -Obinary stm32f429i-disco.elf stm32f429i-disco.bin |
| 39 | $(SIZE) stm32f429i-disco.elf |
| 40 | |
| 41 | stm32429i-eval: stm32429i-eval.o $(obj-f4) |
| 42 | - $(CC) -T stm32f429.lds $(LDFLAGS) -o stm32429i-eval.elf stm32429i-eval.o $(obj-f4) |
| 43 | + $(LD) -T stm32f429.lds $(LINKERFLAGS) -o stm32429i-eval.elf stm32429i-eval.o $(obj-f4) |
| 44 | $(OBJCOPY) -Obinary stm32429i-eval.elf stm32429i-eval.bin |
| 45 | $(SIZE) stm32429i-eval.elf |
| 46 | |
| 47 | stm32f469i-disco: stm32f469i-disco.o $(obj-f4) |
| 48 | - $(CC) -T stm32f429.lds $(LDFLAGS) -o stm32f469i-disco.elf stm32f469i-disco.o $(obj-f4) |
| 49 | + $(LD) -T stm32f429.lds $(LINKERFLAGS) -o stm32f469i-disco.elf stm32f469i-disco.o $(obj-f4) |
| 50 | $(OBJCOPY) -Obinary stm32f469i-disco.elf stm32f469i-disco.bin |
| 51 | $(SIZE) stm32f469i-disco.elf |
| 52 | |
| 53 | stm32746g-eval: stm32746g-eval.o $(obj-f7) |
| 54 | - $(CC) -T stm32f429.lds $(LDFLAGS) -o stm32746g-eval.elf stm32746g-eval.o $(obj-f7) |
| 55 | + $(LD) -T stm32f429.lds $(LINKERFLAGS) -o stm32746g-eval.elf stm32746g-eval.o $(obj-f7) |
| 56 | $(OBJCOPY) -Obinary stm32746g-eval.elf stm32746g-eval.bin |
| 57 | $(SIZE) stm32746g-eval.elf |
| 58 | |
| 59 | -- |
| 60 | 2.6.4 |
| 61 | |