linux-kernel - Re: [PATCH v2 6/7] kbuild: move include/config/ksym/* to include/ksym/*

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Date:   Thu, 15 Mar 2018 22:36:24 -0400 (EDT)
From:   Nicolas Pitre <nicolas.pitre@...aro.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
cc:     linux-kbuild@...r.kernel.org,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/7] kbuild: move include/config/ksym/* to
 include/ksym/*

On Fri, 16 Mar 2018, Masahiro Yamada wrote:

> The idea of using fixdep was inspired by Kconfig, but autoksyms
> belongs to a different group.  So, I want move those touched files
> under include/config/ksym/ to include/ksym/.
> 
> The directory include/ksym/ can be removed by "make clean" because
> it is meaningless for the external module building.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Acked-by: Nicolas Pitre <nico@...aro.org>


> ---
> 
> Changes in v2:
>  - Rebase on linux-next
>    (resolve a conflict to https://patchwork.kernel.org/patch/10204653/)
> 
>  .gitignore                  | 1 +
>  Makefile                    | 2 +-
>  scripts/Kbuild.include      | 2 +-
>  scripts/adjust_autoksyms.sh | 2 +-
>  scripts/basic/fixdep.c      | 8 ++++----
>  5 files changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/.gitignore b/.gitignore
> index 1be78fd..85bcc26 100644
> --- a/.gitignore
> +++ b/.gitignore
> @@ -87,6 +87,7 @@ modules.builtin
>  #
>  include/config
>  include/generated
> +include/ksym
>  arch/*/include/generated
>  
>  # stgit generated dirs
> diff --git a/Makefile b/Makefile
> index ef42adb..5fee703 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1338,7 +1338,7 @@ endif # CONFIG_MODULES
>  # make distclean Remove editor backup files, patch leftover files and the like
>  
>  # Directories & files removed with 'make clean'
> -CLEAN_DIRS  += $(MODVERDIR)
> +CLEAN_DIRS  += $(MODVERDIR) include/ksym
>  
>  # Directories & files removed with 'make mrproper'
>  MRPROPER_DIRS  += include/config usr/include include/generated          \
> diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
> index f9c2f07..cce31ee 100644
> --- a/scripts/Kbuild.include
> +++ b/scripts/Kbuild.include
> @@ -366,7 +366,7 @@ ksym_dep_filter =                                                            \
>  	    $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;;        \
>  	  boot*|build*|cpp_its_S|*cpp_lds_S|dtc|host*|vdso*) : ;;            \
>  	  *) echo "Don't know how to preprocess $(1)" >&2; false ;;          \
> -	esac | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/KSYM_\1/p'
> +	esac | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
>  
>  cmd_and_fixdep =                                                             \
>  	$(echo-cmd) $(cmd_$(1));                                             \
> diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
> index e0dd0d5..f11cae6 100755
> --- a/scripts/adjust_autoksyms.sh
> +++ b/scripts/adjust_autoksyms.sh
> @@ -80,7 +80,7 @@ sort "$cur_ksyms_file" "$new_ksyms_file" | uniq -u |
>  sed -n 's/^#define __KSYM_\(.*\) 1/\1/p' | tr "A-Z_" "a-z/" |
>  while read sympath; do
>  	if [ -z "$sympath" ]; then continue; fi
> -	depfile="include/config/ksym/${sympath}.h"
> +	depfile="include/ksym/${sympath}.h"
>  	mkdir -p "$(dirname "$depfile")"
>  	touch "$depfile"
>  	echo $((count += 1))
> diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
> index 449b68c..f387538 100644
> --- a/scripts/basic/fixdep.c
> +++ b/scripts/basic/fixdep.c
> @@ -113,11 +113,11 @@ static void usage(void)
>  /*
>   * Print out a dependency path from a symbol name
>   */
> -static void print_config(const char *m, int slen)
> +static void print_dep(const char *m, int slen, const char *dir)
>  {
>  	int c, i;
>  
> -	printf("    $(wildcard include/config/");
> +	printf("    $(wildcard %s/", dir);
>  	for (i = 0; i < slen; i++) {
>  		c = m[i];
>  		if (c == '_')
> @@ -140,7 +140,7 @@ static void do_extra_deps(void)
>  			fprintf(stderr, "fixdep: bad data on stdin\n");
>  			exit(1);
>  		}
> -		print_config(buf, len - 1);
> +		print_dep(buf, len - 1, "include/ksym");
>  	}
>  }
>  
> @@ -208,7 +208,7 @@ static void use_config(const char *m, int slen)
>  	    return;
>  
>  	define_config(m, slen, hash);
> -	print_config(m, slen);
> +	print_dep(m, slen, "include/config");
>  }
>  
>  /* test if s ends in sub */
> -- 
> 2.7.4
> 
>