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Re: [Qemu-devel] [PATCH v2] build-sys: add make 'help' target


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v2] build-sys: add make 'help' target
Date: Wed, 14 Sep 2016 12:29:40 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0


On 13/09/2016 16:20, Marc-André Lureau wrote:
> Add a make 'help', to print a summary of the main Makefile targets.
> The format is loosely inspired by Linux make 'help' output.
> 
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
> Makefile | 38 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> v2:
>  - add architectures targets
>  - move generic targets on top, 'all' first
>  - better describe 'docker' help target
> 
> diff --git a/Makefile b/Makefile
> index 50b4b3a..03dbec2 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -669,3 +669,41 @@ endif
>  -include $(wildcard *.d tests/*.d)
>  
>  include $(SRC_PATH)/tests/docker/Makefile.include
> +
> +.PHONY: help
> +help:
> +     @echo  'Generic targets:'
> +     @echo  '  all             - Build all'
> +     @echo  '  dir/file.o      - Build specified target only'
> +     @echo  '  install         - Install QEMU, documentation and tools'
> +     @echo  '  ctags/TAGS      - Generate tags file for editors'
> +     @echo  '  cscope          - Generate cscope index'
> +     @echo  ''
> +     @$(if $(TARGET_DIRS), \
> +             echo 'Architecture specific targets:'; \
> +             $(foreach t, $(TARGET_DIRS), \
> +             printf "  %-30s - Build for %s\\n" $(patsubst %,subdir-%,$(t)) 
> $(t);) \
> +             echo '')
> +     @echo  'Cleaning targets:'
> +     @echo  '  clean           - Remove most generated files but keep the 
> config'
> +     @echo  '  distclean       - Remove all generated files'
> +     @echo  '  dist            - Build a distributable tarball'
> +     @echo  ''
> +     @echo  'Test targets:'
> +     @echo  '  check           - Run all tests (check-help for details)'
> +     @echo  '  docker          - Help about targets running tests inside 
> Docker containers'
> +     @echo  '  test/speed      - Run TCG tests'

Removed this according to Alex's suggestion and queued for 2.8.

Paolo

> +     @echo  ''
> +     @echo  'Documentation targets:'
> +     @echo  '  dvi/html/'
> +     @echo  '  info/pdf        - Build documentation in specified format'
> +     @echo  ''
> +ifdef CONFIG_WIN32
> +     @echo  'Windows targets:'
> +     @echo  '  installer       - Build NSIS-based installer for qemu-ga'
> +ifdef QEMU_GA_MSI_ENABLED
> +     @echo  '  msi             - Build MSI-based installer for qemu-ga'
> +endif
> +     @echo  ''
> +endif
> +     @echo  '  make V=0|1 [targets] 0 => quiet build (default), 1 => verbose 
> build'
> 



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