Re: [Qemu-devel] [PATCH] docker: allow running from srcdir != builddir build

["Daniel P. Berrange" <berrange@redhat.com>]

On Wed, Oct 18, 2017 at 03:06:29PM +0200, Paolo Bonzini wrote:
> The new script uses "git submodule", which is picky about being invoked
> from the top of the git checkout.  Invoke the script from $(SRC_PATH)
> to avoid git's wrath.

I wonder if there's interest in being "evil" and flat out refusing to
ever build with srcdir==builddir. We have a never ending stream of
bugs where we forget to consider one of the two possible scenarios.

> 
> Fixes: b7f404201e45e99da23b9764dec27ce5f965cdcd
> Cc: Fam Zheng <famz@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> 
> ---
>  tests/docker/Makefile.include | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
> index 6f9ea19..b6d9fa3 100644
> --- a/tests/docker/Makefile.include
> +++ b/tests/docker/Makefile.include
> @@ -18,11 +18,11 @@ TESTS ?= %
>  IMAGES ?= %
>  
>  CUR_TIME := $(shell date +%Y-%m-%d-%H.%M.%S.$$$$)
> -DOCKER_SRC_COPY := docker-src.$(CUR_TIME)
> +DOCKER_SRC_COPY := $(BUILD_DIR)/docker-src.$(CUR_TIME)
>  
>  $(DOCKER_SRC_COPY):
>  	@mkdir $@
> -	$(call quiet-command, $(SRC_PATH)/scripts/archive-source.sh $@/qemu.tar, \
> +	$(call quiet-command, cd $(SRC_PATH) && scripts/archive-source.sh $@/qemu.tar, \
>  		"GEN", "$@/qemu.tar")
>  	$(call quiet-command, cp $(SRC_PATH)/tests/docker/run $@/run, \
>  		"COPY","RUNNER")

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>

Regards,
Daniel
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