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build: fix module symbol collection if build_dir is a symlink

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If PKG_BUILD_DIR contains symlinks, the generated Module.symvers will
contain the resolved paths, not the virtual path with the symlink name.

This breaks the filter for the module's own symbols, so to fix this
ensure we also grep for the resolved path.

Reported-by: Roman Yeryomin <roman@advem.lv>
Tested-by: Roman Yeryomin <roman@advem.lv>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
This commit is contained in:
Jonas Gorski 2017-11-03 10:59:00 +01:00
parent 1928fc93ce
commit e26ffb31df
1 changed files with 1 additions and 1 deletions
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2
include/kernel.mk
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@ -135,7 +135,7 @@ endef
define collect_module_symvers
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
grep -F $(PKG_BUILD_DIR) $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
grep -F $$$$(readlink -f $(PKG_BUILD_DIR)) $(PKG_BUILD_DIR)/$$$$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