[PATCH] make help: Show defconfig subdirs - Kernel

This is a discussion on [PATCH] make help: Show defconfig subdirs - Kernel ; PowerPC will start moving board defconfigs into subarch-specific subdirs soon. "make help" currently does not look in subdirs to find the defconfigs to show. This is partially a good thing, since there are way too many defconfigs for one list. ...

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Thread: [PATCH] make help: Show defconfig subdirs

  1. [PATCH] make help: Show defconfig subdirs

    PowerPC will start moving board defconfigs into subarch-specific
    subdirs soon. "make help" currently does not look in subdirs to
    find the defconfigs to show. This is partially a good thing,
    since there are way too many defconfigs for one list.

    This patch makes the main "make help" display something like

    help-40x - Show 40x-specific targets
    help-44x - Show 44x-specific targets
    help-boards - Show all of the above

    and wires up stuff so those new help-* commands actually work.

    Cc: Josh Boyer
    Cc: Sam Ravnborg
    Signed-off-by: Segher Boessenkool
    ---
    Makefile | 21 +++++++++++++++++++++
    1 files changed, 21 insertions(+), 0 deletions(-)

    diff --git a/Makefile b/Makefile
    index fec2a12..05d9fda 100644
    --- a/Makefile
    +++ b/Makefile
    @@ -1172,6 +1172,8 @@ rpm: include/config/kernel.release FORCE

    boards := $(wildcard $(srctree)/arch/$(ARCH)/configs/*_defconfig)
    boards := $(notdir $(boards))
    +board-dirs := $(dir $(wildcard $(srctree)/arch/$(ARCH)/configs/*/*_defconfig))
    +board-dirs := $(sort $(notdir $(board-dirs:/=)))

    help:
    @echo 'Cleaning targets:'
    @@ -1225,6 +1227,11 @@ help:
    $(foreach b, $(boards), \
    printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b)) \
    echo '')
    + @$(if $(board-dirs), \
    + $(foreach b, $(board-dirs), \
    + printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b) \
    + printf " %-16s - Show all of the above\\n" help-boards; \
    + echo '')

    @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
    @echo ' make V=2 [targets] 2 => give reason for rebuild of target'
    @@ -1236,6 +1243,20 @@ help:
    @echo 'For further info see the ./README file'


    +help-board-dirs := $(addprefix help-,$(board-dirs))
    +
    +help-boards: $(help-board-dirs)
    +
    +boards-per-dir = $(notdir $(wildcard $(srctree)/arch/$(ARCH)/configs/$*/*_defconfig))
    +
    +$(help-board-dirs): help-%:
    + @echo 'Architecture specific targets ($(ARCH) $*):'
    + @$(if $(boards-per-dir), \
    + $(foreach b, $(boards-per-dir), \
    + printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b)) \
    + echo '')
    +
    +
    # Documentation targets
    # ---------------------------------------------------------------------------
    %docs: scripts_basic FORCE
    --
    1.5.3.4.208.g805a

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  2. Re: [PATCH] make help: Show defconfig subdirs

    On Sun, Apr 06, 2008 at 10:16:07PM +0200, Segher Boessenkool wrote:
    > PowerPC will start moving board defconfigs into subarch-specific
    > subdirs soon. "make help" currently does not look in subdirs to
    > find the defconfigs to show. This is partially a good thing,
    > since there are way too many defconfigs for one list.
    >
    > This patch makes the main "make help" display something like
    >
    > help-40x - Show 40x-specific targets
    > help-44x - Show 44x-specific targets
    > help-boards - Show all of the above
    >
    > and wires up stuff so those new help-* commands actually work.
    >
    > Cc: Josh Boyer
    > Cc: Sam Ravnborg
    > Signed-off-by: Segher Boessenkool


    Thanks, applied.
    Fixed it up to show x86 defconfig files too.

    Sam
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