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build: ensure PKG_INFO_DIR exists before trying to use it 

PKG_INFO_DIR is only created at the finish step of the first package
build, but kernel modules now use it at the start. Doing a parallel build
could cause a kernel module to be the first package, breaking the build.

Fix this by ensuring the directory exists.

Fixes: 2e496876c6 ("kernel: collect module symvers for external modules")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Jonas Gorski 2017-10-28 11:19:25 +02:00
parent 471d5dc6e3
commit e5e5c3f5fd
1 changed files with 1 additions and 0 deletions
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include/kernel.mk
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@ -133,6 +133,7 @@ define populate_module_symvers
endef
define collect_module_symvers
@mkdir -p $(PKG_INFO_DIR)
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
grep -F $(PKG_BUILD_DIR) $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
done; \