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build: move symvers files to kernel build dir 

The symvers files of older kernel versions are incompatible with the ones
from 5.4, so changing the kernel version without running make clean was
causing build failures in kernel module packages.
Fix this by moving the directory, ensuring that symvers files get thrown
away with a kernel version change

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-04-09 09:41:16 +02:00
parent 5c6fe8e850
commit 4627b5df69
1 changed files with 6 additions and 4 deletions
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10
include/kernel.mk
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@ -138,11 +138,13 @@ endif
PKG_EXTMOD_SUBDIRS ?= .
PKG_SYMVERS_DIR = $(KERNEL_BUILD_DIR)/symvers
define populate_module_symvers
@mkdir -p $(PKG_INFO_DIR)
cat /dev/null > $(PKG_INFO_DIR)/$(PKG_NAME).symvers; \
@mkdir -p $(PKG_SYMVERS_DIR)
cat /dev/null > $(PKG_SYMVERS_DIR)/$(PKG_NAME).symvers; \
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
cat $(PKG_INFO_DIR)/*.symvers 2>/dev/null > $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers; \
cat $(PKG_SYMVERS_DIR)/*.symvers 2>/dev/null > $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers; \
done
endef
@ -154,7 +156,7 @@ define collect_module_symvers
grep -F $$$$realdir $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
done; \
sort -u $(PKG_BUILD_DIR)/Module.symvers.tmp > $(PKG_BUILD_DIR)/Module.symvers; \
mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_INFO_DIR)/$(PKG_NAME).symvers
mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_SYMVERS_DIR)/$(PKG_NAME).symvers
endef
define KernelPackage/hooks