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kernel.mk: add 6.18 workaround for empty Module.symvers.tmp

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On Linux 6.18 the path-based symvers filter can
yield an empty tmp file for external modules.

Add a 6.18-only fallback using modules.order
to populate Module.symvers.tmp.

Signed-off-by: Til Kaiser <mail@tk154.de>
Link: https://github.com/openwrt/openwrt/pull/21078
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Til Kaiser 2026-01-26 19:48:47 +01:00 committed by Robert Marko
parent 0584503bab
commit 666fee6f48
1 changed files with 3 additions and 0 deletions
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include/kernel.mk
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@ -154,6 +154,9 @@ define collect_module_symvers
grep -F $(PKG_BUILD_DIR) $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
[ "$(PKG_BUILD_DIR)" = "$$$$realdir" ] || \
grep -F $$$$realdir $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
[ -s "$(PKG_BUILD_DIR)/Module.symvers.tmp" ] || [ "$(KERNEL_PATCHVER)" = "6.18" ] && \
sed 's/\.o$$$$//' $(PKG_BUILD_DIR)/$$$$subdir/modules.order | \
grep -Ff - $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
done; \
sort -u $(PKG_BUILD_DIR)/Module.symvers.tmp > $(PKG_BUILD_DIR)/Module.symvers; \
mkdir -p $(PKG_SYMVERS_DIR); \