Makefile: include arch/*/include/generated/uapi before .../generated
The introduction of the uapi directories in v3.7-rc1 moved some of the generated headers from arch/*/include/generated to the uapi directory, keeping the #include directives intact. This creates a problem when bisecting, because the unversioned files are not cleaned automatically by git and the compiler might include stale headers as a result. Instead of cleaning them in the Makefiles, promote arch/*/include/generated/uapi in the search path. Under normal circumstances, there is no overlap between this uapi subdirectory and its parent, so the include choices remain the same. We keep arch/*/include/generated/uapi in the USERINCLUDE variable so that it is usable standalone. Note that we cannot completely swap the order of the uapi and kernel-only directories, since the headers in include/uapi/asm-generic are meant to be wrapped by their include/asm-generic counterparts when building kernel code. Reported-by: "Nicholas A. Bellinger" <nab@linux-iscsi.org> Reported-by: David Drysdale <dmd@lurklurk.org> Signed-off-by: Michal Marek <mmarek@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -391,6 +391,7 @@ USERINCLUDE := \
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# Needed to be compatible with the O= option
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LINUXINCLUDE := \
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-I$(srctree)/arch/$(hdr-arch)/include \
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-Iarch/$(hdr-arch)/include/generated/uapi \
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-Iarch/$(hdr-arch)/include/generated \
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$(if $(KBUILD_SRC), -I$(srctree)/include) \
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-Iinclude \
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