linux-kernel - Re: [PATCH 1/4] kbuild: merge scripts/mkmakefile to top Makefile

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Message-ID: <CAK7LNAR4AKBsTL55O5M+99mvPnStLrsT0b7UQSGhyOpT66WEKg@mail.gmail.com>
Date:   Wed, 26 May 2021 23:29:16 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] kbuild: merge scripts/mkmakefile to top Makefile

On Mon, May 17, 2021 at 4:03 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> scripts/mkmakefile is simple enough to be merged in the Makefile.
>
> Use $(call cmd,...) to show the log instead of doing it in the
> shell script.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---

Applied to linux-kbuild.


>  Makefile           | 15 ++++++++++++---
>  scripts/mkmakefile | 17 -----------------
>  2 files changed, 12 insertions(+), 20 deletions(-)
>  delete mode 100755 scripts/mkmakefile
>
> diff --git a/Makefile b/Makefile
> index 15b6476d0f89..50776cc3e894 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -544,14 +544,24 @@ scripts_basic:
>         $(Q)rm -f .tmp_quiet_recordmcount
>
>  PHONY += outputmakefile
> +ifdef building_out_of_srctree
>  # Before starting out-of-tree build, make sure the source tree is clean.
>  # outputmakefile generates a Makefile in the output directory, if using a
>  # separate output directory. This allows convenient use of make in the
>  # output directory.
>  # At the same time when output Makefile generated, generate .gitignore to
>  # ignore whole output directory
> -outputmakefile:
> -ifdef building_out_of_srctree
> +
> +quiet_cmd_makefile = GEN     $@
> +      cmd_makefile = { \
> +       echo "\# Automatically generated by $(srctree)/Makefile: don't edit"; \
> +       echo "include $(srctree)/Makefile"; \
> +       } > $@
> +
> +Makefile: FORCE
> +       $(call cmd,makefile)
> +
> +outputmakefile: Makefile
>         $(Q)if [ -f $(srctree)/.config -o \
>                  -d $(srctree)/include/config -o \
>                  -d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
> @@ -562,7 +572,6 @@ ifdef building_out_of_srctree
>                 false; \
>         fi
>         $(Q)ln -fsn $(srctree) source
> -       $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
>         $(Q)test -e .gitignore || \
>         { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
>  endif
> diff --git a/scripts/mkmakefile b/scripts/mkmakefile
> deleted file mode 100755
> index 1cb174751429..000000000000
> --- a/scripts/mkmakefile
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -#!/bin/sh
> -# SPDX-License-Identifier: GPL-2.0
> -# Generates a small Makefile used in the root of the output
> -# directory, to allow make to be started from there.
> -# The Makefile also allow for more convinient build of external modules
> -
> -# Usage
> -# $1 - Kernel src directory
> -
> -if [ "${quiet}" != "silent_" ]; then
> -       echo "  GEN     Makefile"
> -fi
> -
> -cat << EOF > Makefile
> -# Automatically generated by $0: don't edit
> -include $1/Makefile
> -EOF
> --
> 2.27.0
>


-- 
Best Regards
Masahiro Yamada