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Commit dcc2da1a authored by Sam Ravnborg's avatar Sam Ravnborg
Browse files

kbuild: improve check-symlink 



o if include/asm point to a nonexisting directory remove the asm symlink
o if include/asm is a directory error out

This fixes a situation where one could be left with a symlink
to asm-x86 but that directory no longer exist and thus the build
would error out.

include/asm may be a directory if the kernel tree has been copied

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 46dca86c

Makefile

+5 −0
Original line number Diff line number Diff line
@@ -961,6 +961,7 @@ export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH) 


# The asm symlink changes when $(ARCH) changes.

# Detect this and ask user to run make mrproper

# If asm is a stale symlink (point to dir that does not exist) remove it

define check-symlink

	set -e;                                                            \

	if [ -L include/asm ]; then                                        \
@@ -970,6 +971,10 @@ define check-symlink 
			echo "       set ARCH or save .config and run 'make mrproper' to fix it";             \

			exit 1;                                            \

		fi;                                                        \

		test -e $$asmlink || rm include/asm;                       \

	elif [ -d include/asm ]; then                                      \

		echo "ERROR: $@ is a directory but a symlink was expected";\

		exit 1;                                                    \

	fi

endef