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Re: [Qemu-devel] [PATCH ] [trivial] qapi: Build-depend on all json files
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH ] [trivial] qapi: Build-depend on all json files |
Date: |
Thu, 4 Feb 2016 15:36:56 +0000 |
On 4 February 2016 at 15:32, Eric Blake <address@hidden> wrote:
> On 02/04/2016 07:55 AM, Peter Maydell wrote:
>> On 4 February 2016 at 14:39, Lluís Vilanova <address@hidden> wrote:
>>> Dynamically detects the files used to generate QAPI code, thus ensuring
>>> it's never out of sync with the sources.
>>>
>>> Signed-off-by: Lluís Vilanova <address@hidden>
>>> ---
>>> Makefile | 6 ++----
>>> 1 file changed, 2 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/Makefile b/Makefile
>>> index d0de2d4..627f772 100644
>>> --- a/Makefile
>>> +++ b/Makefile
>>> @@ -269,10 +269,8 @@ $(SRC_PATH)/qga/qapi-schema.json
>>> $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
>>> $(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>>> " GEN $@")
>>>
>>> -qapi-modules = $(SRC_PATH)/qapi-schema.json $(SRC_PATH)/qapi/common.json \
>>> - $(SRC_PATH)/qapi/block.json
>>> $(SRC_PATH)/qapi/block-core.json \
>>> - $(SRC_PATH)/qapi/event.json
>>> $(SRC_PATH)/qapi/introspect.json \
>>> - $(SRC_PATH)/qapi/crypto.json
>>> +qapi-modules = $(SRC_PATH)/qapi-schema.json
>>> +qapi-modules += $(shell find $(SRC_PATH)/qapi -name "*.json")
>>
>> All the .json files are in the same directory, so I don't think we should
>> need to use find here. Does
>>
>> qapi-modules += $(wildcard $(SRC_PATH)/qapi/*.json))
>>
>> work ?
>
> Does this wildcard affect what goes into a tarball? I'm worried that we
> may run the risk of a stale .json file on one developer's machine
> causing an unreproducible build on other machines where the file is not
> found; explicit lists tend to be safer than wildcards.
>
> I won't reject the patch if others like it, but I won't approve it myself.
You need to ask Mike Roth about our tarball generation process, not me.
I do agree that this patch needs to make the case for why .json source
files are special and should be wildcarded, when for instance all our
C source files are explicitly listed in makefiles.
thanks
-- PMM
Re: [Qemu-devel] [PATCH ] [trivial] qapi: Build-depend on all json files, Lluís Vilanova, 2016/02/04
Re: [Qemu-devel] [PATCH ] [trivial] qapi: Build-depend on all json files, Lluís Vilanova, 2016/02/04