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| author | Yousong Zhou <yszhou4tech@gmail.com> | 2019-09-10 02:19:05 +0000 |
|---|---|---|
| committer | Yousong Zhou <yszhou4tech@gmail.com> | 2019-09-11 01:31:53 +0000 |
| commit | 6d819fae5343dc4666762f359bb57a6fbe60a968 (patch) | |
| tree | 3d08614274eedab65455fd44c37b506efde8f34d /target/linux/gemini/image/copy-kernel/Makefile | |
| parent | 7bed9bf10fc8d05df34c7efc66e8b4ade37a1a0c (diff) | |
| download | upstream-6d819fae5343dc4666762f359bb57a6fbe60a968.tar.gz upstream-6d819fae5343dc4666762f359bb57a6fbe60a968.tar.bz2 upstream-6d819fae5343dc4666762f359bb57a6fbe60a968.zip | |
gemini: image: fix race condition when building copy-kernel.bin
Make treat copy-kernel.o as intermediate and delete it when it's no
longer needed. This can fail when the same submake was triggered
multiple times for different devices.
arm-openwrt-linux-muslgnueabi-as -k -o copy-kernel.o copy-kernel.S
export MAKEFLAGS= ;make -w -C copy-kernel CROSS_COMPILE=arm-openwrt-linux-muslgnueabi-
arm-openwrt-linux-muslgnueabi-objcopy -O binary -S copy-kernel.o copy-kernel.bin
make[5]: Entering directory '/builder/shared-workdir/build/target/linux/gemini/image/copy-kernel'
arm-openwrt-linux-muslgnueabi-objcopy -O binary -S copy-kernel.o copy-kernel.bin
rm copy-kernel.o
make[5]: Leaving directory '/builder/shared-workdir/build/target/linux/gemini/image/copy-kernel'
# "App" partition is the rootfs
arm-openwrt-linux-muslgnueabi-objcopy: 'copy-kernel.o': No such file
Makefile:27: recipe for target 'copy-kernel.bin' failed
make[5]: Leaving directory '/builder/shared-workdir/build/target/linux/gemini/image/copy-kernel'
make[5]: *** [copy-kernel.bin] Error 1
Makefile:244: recipe for target '/builder/shared-workdir/build/build_dir/target-arm_fa526_musl_eabi/linux-gemini/tmp/openwrt-gemini-storlink_sl93512r-ext4-factory.bin' failed
make[4]: *** [/builder/shared-workdir/build/build_dir/target-arm_fa526_musl_eabi/linux-gemini/tmp/openwrt-gemini-storlink_sl93512r-ext4-factory.bin] Error 2
With this change, output files are directed to $(KDIR)
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'target/linux/gemini/image/copy-kernel/Makefile')
| -rw-r--r-- | target/linux/gemini/image/copy-kernel/Makefile | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/target/linux/gemini/image/copy-kernel/Makefile b/target/linux/gemini/image/copy-kernel/Makefile index 155c35968c..9ba283bb01 100644 --- a/target/linux/gemini/image/copy-kernel/Makefile +++ b/target/linux/gemini/image/copy-kernel/Makefile @@ -13,20 +13,26 @@ OBJCOPY := $(CROSS_COMPILE)objcopy BIN_FLAGS := -O binary -S -all: copy-kernel.bin +SRC_DIR := $(CURDIR)/ +OUT_DIR := $(if $(O),$(if $(patsubst %/,,$(O)),$(O)/,$(O)),$(SRC_DIR)) + +all: $(OUT_DIR)copy-kernel.bin # Don't build dependencies, this may die if $(CC) isn't gcc dep: install: -%.o : %.S +$(OUT_DIR): + mkdir -p $(OUT_DIR) + +$(OUT_DIR)%.o : $(SRC_DIR)%.S | $(OUT_DIR) $(AS) $(ASFLAGS) -k -o $@ $< -%.bin: %.o +$(OUT_DIR)%.bin: $(OUT_DIR)%.o $(OBJCOPY) $(BIN_FLAGS) $< $@ mrproper: clean clean: - rm -f copy-kernel.bin copy-kernel.o + rm -f $(OUT_DIR)copy-kernel.bin $(OUT_DIR)copy-kernel.o |