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build: pass KBUILD_EXTRA_SYMBOLS with symvers files for kernel module packages 

This replaces the previous (deprecated) method of collecting symvers data
in $(PKG_BUILD_DIR)/Module.symvers, which does not work on newer kernels

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-10-23 11:26:48 +02:00
parent 92b707f61b
commit 5d76065629
2 changed files with 3 additions and 10 deletions
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1
include/kernel-build.mk
View File

@ -136,6 +136,7 @@ define BuildKernel
$(LINUX_DIR)/.modules: export PKG_CONFIG_LIBDIR=$$(STAGING_DIR_HOST)/lib/pkgconfig
$(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
$(Kernel/CompileModules)
mkdir -p $(PKG_SYMVERS_DIR)
touch $$@
$(LINUX_DIR)/.image: export STAGING_PREFIX=$$(STAGING_DIR_HOST)

12
include/kernel.mk
View File

@ -118,7 +118,8 @@ KERNEL_MAKE_FLAGS = \
CONFIG_SHELL="$(BASH)" \
$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
$(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) \
cmd_syscalls=
cmd_syscalls= \
$(if $(__package_mk),KBUILD_EXTRA_SYMBOLS="$(wildcard $(PKG_SYMVERS_DIR)/*.symvers)")
ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
KERNEL_MAKE_FLAGS += \
@ -140,14 +141,6 @@ PKG_EXTMOD_SUBDIRS ?= .
PKG_SYMVERS_DIR = $(KERNEL_BUILD_DIR)/symvers
define populate_module_symvers
@mkdir -p $(PKG_SYMVERS_DIR)
cat /dev/null > $(PKG_SYMVERS_DIR)/$(PKG_NAME).symvers; \
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
cat $(PKG_SYMVERS_DIR)/*.symvers 2>/dev/null > $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers; \
done
endef
define collect_module_symvers
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
realdir=$$$$(readlink -f $(PKG_BUILD_DIR)); \
@ -161,7 +154,6 @@ endef
define KernelPackage/hooks
ifneq ($(PKG_NAME),kernel)
Hooks/Compile/Pre += populate_module_symvers
Hooks/Compile/Post += collect_module_symvers
endif
define KernelPackage/hooks