On 1 March 2014 03:01, Cyril Brulebois <k...@debian.org> wrote:
> Ian Campbell <i...@hellion.org.uk> (2014-03-01):
>> On Sat, 2014-03-01 at 03:17 +0100, Cyril Brulebois wrote:
>> > - $(MAKE) -C ${DIR} install docs/busybox.1 \
>> > + $(MAKE) -j$(NUMJOBS) -C ${DIR} install docs/busybox.1 \
>>
>> If parallel build is not set then won't this end up passing a bare "-j"
>> which will run an unlimited number of jobs...
>>
>> https://www.debian.org/doc/debian-policy/ch-source.html suggests:
>>
>> ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
>> NUMJOBS = $(patsubst parallel=%,%,$(filter
>> parallel=%,$(DEB_BUILD_OPTIONS)))
>> MAKEFLAGS += -j$(NUMJOBS)
>> endif
>>
>> to avoid this.
>
> Well I didn't want to set MAKEFLAGS unconditionally (not sure how other
> $(MAKE) calls deal with parallelism), so I've written crap instead; oops
> thanks for catching. If following policy's suggestion isn't possible, we
> could add "else\nNUMJOBS = 1" to avoid what you spotted.
>
I typically choose:
dh_auto_build --parallel -B${DIR} -- install docs/busybox.1
That does DEB_BUILD_OPTIONS processing, et.al. One does not need to
the rest of dh, to use parallel dh_auto_build invocations.
--
Regards,
Dimitri.
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