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Masahiro Yamada 43fee2b238 kbuild: do not redirect the first prerequisite for filechk
Currently, filechk unconditionally opens the first prerequisite and
redirects it as the stdin of a filechk_* rule.  Hence, every target
using $(call filechk,...) must list something as the first prerequisite
even if it is unneeded.

'< $<' is actually unneeded in most cases.  Each rule can explicitly
adds it if necessary.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-07-28 10:34:10 +09:00
arch kbuild: do not redirect the first prerequisite for filechk 2018-07-28 10:34:10 +09:00
block
certs
crypto
Documentation kbuild: if_changed: document single use per target limitation 2018-07-21 06:50:32 +09:00
drivers
firmware
fs
include
init
ipc
kernel
lib
LICENSES
mm
net kbuild: Rename HOSTLDFLAGS to KBUILD_HOSTLDFLAGS 2018-07-18 01:18:05 +09:00
samples kbuild: Rename HOST_LOADLIBES to KBUILD_HOSTLDLIBS 2018-07-18 01:18:05 +09:00
scripts kbuild: do not redirect the first prerequisite for filechk 2018-07-28 10:34:10 +09:00
security
sound
tools kbuild: Rename HOSTLDFLAGS to KBUILD_HOSTLDFLAGS 2018-07-18 01:18:05 +09:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile kbuild: do not redirect the first prerequisite for filechk 2018-07-28 10:34:10 +09:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.