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kbuild: make samples really depend on headers_install

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Kernel headers must be installed into $(objtree)/usr/include to avoid
the build failure of samples.

Commit ddea05fa14 ("kbuild: make samples depend on headers_install")
addressed this, but "samples/" is only used for the single target build.

"make samples/" properly installs kernel headers, but it does not work
for general building because a phony target "sample" (no trailing slash)
is used.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Masahiro Yamada 2018-08-08 11:14:14 +09:00
parent 0004438a16
commit 3fca1700c4
1 changed files with 2 additions and 1 deletions
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3
Makefile
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@ -1010,9 +1010,10 @@ ifdef CONFIG_GDB_SCRIPTS
endif endif
+$(call if_changed,link-vmlinux) +$(call if_changed,link-vmlinux)
# Build samples along the rest of the kernel # Build samples along the rest of the kernel. This needs headers_install.
ifdef CONFIG_SAMPLES ifdef CONFIG_SAMPLES
vmlinux-dirs += samples vmlinux-dirs += samples
samples: headers_install
endif endif
# The actual objects are generated when descending, # The actual objects are generated when descending,