On 23/04/20 12:43, Philippe Mathieu-Daudé wrote:
> List the name of the helper targets when calling 'make help',
> along with the tool targets:
> 
>   $ make help
>   [...]
> 
>   Helper targets:
>     fsdev/virtfs-proxy-helper      - Build virtfs-proxy-helper
>     scsi/qemu-pr-helper            - Build qemu-pr-helper
>     qemu-bridge-helper             - Build qemu-bridge-helper
>     vhost-user-gpu                 - Build vhost-user-gpu
>     virtiofsd                      - Build virtiofsd
> 
>   Tools targets:
>     qemu-ga                        - Build qemu-ga tool
>     qemu-keymap                    - Build qemu-keymap tool
>     elf2dmp                        - Build elf2dmp tool
>     ivshmem-client                 - Build ivshmem-client tool
>     ivshmem-server                 - Build ivshmem-server tool
>     qemu-nbd                       - Build qemu-nbd tool
>     qemu-storage-daemon            - Build qemu-storage-daemon tool
>     qemu-img                       - Build qemu-img tool
>     qemu-io                        - Build qemu-io tool
>     qemu-edid                      - Build qemu-edid tool
> 
> Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
> ---
>  configure | 5 +++--
>  Makefile  | 9 +++++++--
>  2 files changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/configure b/configure
> index 23b5e93752..caf880c38e 100755
> --- a/configure
> +++ b/configure
> @@ -6374,7 +6374,7 @@ if test "$softmmu" = yes ; then
>    if test "$linux" = yes; then
>      if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; 
> then
>        virtfs=yes
> -      tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
> +      helpers="$helpers fsdev/virtfs-proxy-helper\$(EXESUF)"
>      else
>        if test "$virtfs" = yes; then
>          error_exit "VirtFS requires libcap-ng devel and libattr devel"
> @@ -6389,7 +6389,7 @@ if test "$softmmu" = yes ; then
>        fi
>        mpath=no
>      fi
> -    tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
> +    helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
>    else
>      if test "$virtfs" = yes; then
>        error_exit "VirtFS is supported only on Linux"
> @@ -7630,6 +7630,7 @@ else
>    QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
>  fi
>  
> +echo "HELPERS=$helpers" >> $config_host_mak
>  echo "TOOLS=$tools" >> $config_host_mak
>  echo "ROMS=$roms" >> $config_host_mak
>  echo "MAKE=$make" >> $config_host_mak
> diff --git a/Makefile b/Makefile
> index 8a9113e666..021a0cd491 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -336,9 +336,9 @@ $(call set-vpath, $(SRC_PATH))
>  LIBS+=-lz $(LIBS_TOOLS)
>  
>  vhost-user-json-y =
> -HELPERS-y =
> +HELPERS-y = $(HELPERS)
>  
> -HELPERS-$(call land,$(CONFIG_SOFTMMU),$(CONFIG_LINUX)) = 
> qemu-bridge-helper$(EXESUF)
> +HELPERS-$(call land,$(CONFIG_SOFTMMU),$(CONFIG_LINUX)) += 
> qemu-bridge-helper$(EXESUF)
>  
>  ifeq ($(CONFIG_LINUX)$(CONFIG_VIRGL)$(CONFIG_GBM)$(CONFIG_TOOLS),yyyy)
>  HELPERS-y += vhost-user-gpu$(EXESUF)
> @@ -1255,6 +1255,11 @@ endif
>               $(foreach t, $(TARGET_DIRS), \
>               $(call print-help-run,$(t)/all,Build for $(t));) \
>               echo '')
> +     @$(if $(HELPERS-y), \
> +             echo 'Helper targets:'; \
> +             $(foreach t, $(HELPERS-y), \
> +             $(call print-help-run,$(t),Build $(shell basename $(t)));) \
> +             echo '')
>       @$(if $(TOOLS), \
>               echo 'Tools targets:'; \
>               $(foreach t, $(TOOLS), \
> 

Queued, thanks.

Paolo


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