[Buildroot] [git commit] linux: handle read-only dts files
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Tue Jan 19 20:46:58 UTC 2016
commit: http://git.buildroot.net/buildroot/commit/?id=5bbbc5b7446933dcb1a08a20d5e58dc527b3e4a7
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master
Some fine version control systems make all files read-only. The custom DTS file
may therefore be read-only, and that permission is preserved when copying into
the Linux build directory. A subsequent rebuild tries to 'cp' again, which
fails with a "Permission denied" error unless the -f option is used.
Signed-off-by: Hollis Blanchard <hollis_blanchard at mentor.com>
Acked-by: Nikolay Dimitrov <picmaster at mail.bg>
Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
linux/linux.mk | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linux/linux.mk b/linux/linux.mk
index 045294b..3c53a0b 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -304,7 +304,7 @@ endif
# configuration has changed.
define LINUX_BUILD_CMDS
$(if $(BR2_LINUX_KERNEL_USE_CUSTOM_DTS),
- cp $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH)) $(KERNEL_ARCH_PATH)/boot/dts/)
+ cp -f $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH)) $(KERNEL_ARCH_PATH)/boot/dts/)
$(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(LINUX_TARGET_NAME)
@if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \
$(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) modules ; \
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