On 10/03/2016 10:20 AM, kbuild test robot wrote:
> tree:
> https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
> head: 94c630ee73a4a1db18561511dfefc2e41d2e6d1e
> commit: c6d2995da5409e3d0ef30c53287d3c17e450e96e [19/20] samples: move
> blackfin gptimers-example from Documentation
> reproduce: make htmldocs
Thanks for finding this. Th reason is this commit should be combined with
the changes in 94c630ee73a4a1db18561511dfefc2e41d2e6d1e
thanks,
-- Shuah
>
> All errors (new ones prefixed by >>):
>
>>> scripts/Makefile.build:44: Documentation/Makefile: No such file or directory
>>> make[2]: *** No rule to make target 'Documentation/Makefile'.
> make[2]: Failed to remake makefile 'Documentation/Makefile'.
>
> vim +44 scripts/Makefile.build
>
> f77bf0142 Sam Ravnborg 2007-10-15 28 ldflags-y :=
> d72e5edbf Sam Ravnborg 2007-05-28 29
> 720097d89 Sam Ravnborg 2009-04-19 30 subdir-asflags-y :=
> 720097d89 Sam Ravnborg 2009-04-19 31 subdir-ccflags-y :=
> 720097d89 Sam Ravnborg 2009-04-19 32
> 3156fd052 Robert P. J. Day 2008-02-18 33 # Read auto.conf if it exists,
> otherwise ignore
> c955ccafc Roman Zippel 2006-06-08 34 -include include/config/auto.conf
> ^1da177e4 Linus Torvalds 2005-04-16 35
> 20a468b51 Sam Ravnborg 2006-01-22 36 include scripts/Kbuild.include
> 20a468b51 Sam Ravnborg 2006-01-22 37
> 3156fd052 Robert P. J. Day 2008-02-18 38 # For backward compatibility check
> that these variables do not change
> 0c53c8e6e Sam Ravnborg 2007-10-14 39 save-cflags := $(CFLAGS)
> 0c53c8e6e Sam Ravnborg 2007-10-14 40
> 2a6914703 Sam Ravnborg 2005-07-25 41 # The filename Kbuild has
> precedence over Makefile
> db8c1a7b2 Sam Ravnborg 2005-07-27 42 kbuild-dir := $(if $(filter
> /%,$(src)),$(src),$(srctree)/$(src))
> 0c53c8e6e Sam Ravnborg 2007-10-14 43 kbuild-file := $(if $(wildcard
> $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
> 0c53c8e6e Sam Ravnborg 2007-10-14 @44 include $(kbuild-file)
> ^1da177e4 Linus Torvalds 2005-04-16 45
> 0c53c8e6e Sam Ravnborg 2007-10-14 46 # If the save-* variables changed
> error out
> 0c53c8e6e Sam Ravnborg 2007-10-14 47 ifeq ($(KBUILD_NOPEDANTIC),)
> 0c53c8e6e Sam Ravnborg 2007-10-14 48 ifneq
> ("$(save-cflags)","$(CFLAGS)")
> 49c57d254 Arnaud Lacombe 2011-08-15 49 $(error CFLAGS was
> changed in "$(kbuild-file)". Fix it to use ccflags-y)
> 0c53c8e6e Sam Ravnborg 2007-10-14 50 endif
> 0c53c8e6e Sam Ravnborg 2007-10-14 51 endif
> 4a5838ad9 Borislav Petkov 2011-03-01 52
>
> :::::: The code at line 44 was first introduced by commit
> :::::: 0c53c8e6eb456cde30f2305421c605713856abc8 kbuild: check for wrong use
> of CFLAGS
>
> :::::: TO: Sam Ravnborg <sam@neptun.(none)>
> :::::: CC: Sam Ravnborg <sam@neptun.(none)>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
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