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Masahiro Yamada 687ac1fa31 kbuild: remove unneeded '+' marker from cmd_clean
This '+' was added a long time ago:

| commit c23e6bf05f7802e92fd3da69a1ed35e56f9c85bb (HEAD)
| Author: Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de>
| Date:   Mon Oct 28 01:16:34 2002 -0600
|
|     kbuild: Fix a "make -j<N>" warning
|
| diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
| index 2c843e0380bc..e7c392fd5788 100644
| --- a/scripts/Makefile.clean
| +++ b/scripts/Makefile.clean
| @@ -42,7 +42,7 @@ quiet_cmd_clean = CLEAN   $(obj)
|
|  __clean: $(subdir-ymn)
|  ifneq ($(strip $(__clean-files) $(clean-rule)),)
| -        $(call cmd,clean)
| +        +$(call cmd,clean)
|  else
|          @:
|  endif

At that time, cmd_clean contained $(clean-rule), which was able to
invoke sub-make. That was why cleaning with the -j option showed:
warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.

It is not the case any more; cmd_clean now just runs the 'rm' command.
The '+' marker is pointless.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-08-29 23:54:29 +09:00
arch kbuild: add CONFIG_ASM_MODVERSIONS 2019-08-22 01:14:11 +09:00
block block, bfq: handle NULL return value by bfq_init_rq() 2019-08-08 07:31:50 -06:00
certs
crypto
Documentation kbuild: remove clean-dirs syntax 2019-08-29 23:54:29 +09:00
drivers treewide: remove dummy Makefiles for single targets 2019-08-21 21:05:21 +09:00
fs dax fixes v5.3-rc4 2019-08-11 13:15:10 -07:00
include Kbuild: Handle PREEMPT_RT for version string and magic 2019-08-14 01:10:42 +09:00
init init/Kconfig: rework help of CONFIG_CC_OPTIMIZE_FOR_SIZE 2019-08-29 01:39:35 +09:00
ipc
kernel Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-08-10 15:48:02 -07:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-06 17:11:59 -07:00
LICENSES
mm mm/memremap: Fix reuse of pgmap instances with internal references 2019-08-09 14:16:15 -07:00
net net: dsa: sja1105: Fix memory leak on meta state machine error path 2019-08-06 14:37:02 -07:00
samples
scripts kbuild: remove unneeded '+' marker from cmd_clean 2019-08-29 23:54:29 +09:00
security
sound sound fixes for 5.3-rc4 2019-08-09 09:21:27 -07:00
tools Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-08-10 16:19:02 -07:00
usr kbuild: remove clean-dirs syntax 2019-08-29 23:54:29 +09:00
virt KVM/arm fixes for 5.3, take #2 2019-08-09 16:53:50 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore .gitignore: ignore modules.order explicitly 2019-08-22 01:14:11 +09:00
.mailmap
COPYING
CREDITS
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig
MAINTAINERS Char/misc fixes for 5.3-rc4 2019-08-10 12:24:20 -07:00
Makefile kbuild: check clean srctree even earlier 2019-08-29 23:54:29 +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.

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.