Re: [yocto] [PATCH 1/1] eglibc: remove runtime dependency of perl from eglibc-mtrace

[Darren Hart <dvhart@linux.intel.com>]

On 06/11/2012 03:07 PM, Saul Wold wrote:
> On 06/08/2012 04:02 PM, Darren Hart wrote:
>>
>>
>> On 06/08/2012 03:23 PM, nitin.a.kamble@intel.com wrote:
>>> From: Nitin A Kamble<nitin.a.kamble@intel.com>
>>>
>>> perl needs eglibc to build.
>>> The presence of runtime dependency of
>>> perl for eglibc-mtrace caused bitbake to build perl before eglibc,
>>> which causes build failure of perl with poky-tiny distro
>>>
>>
>> So is this a circular dependency chain?
>>
>> perl DEPENDS on eglibc
>> eglibc (because of eglibc-mtrace) RDEPENDS on perl?
>>
>> If so, doesn't this solution leave eglibc-mtrace with an incomplete set
>> of dependencies in it's final package meta-data?
>>
>> Would the correct solution be to break eglibc-mtrace out into a separate
>> recipe.
>>
> I am not sure if this would be more correct or have the PACKAGES contain 
> something like ${EGLIBC_PACKAGE_MTRACE}, which could the be over-ridden 
> by the yocto-tiny distro.
> 
> EGLIBC_PACKAGE_MTRACE ?= "${PN}-mtrace"
> 
> and then change ${PN}-mtrace in the PACKAGES list to 
> ${EGLIBC_PACKAGE_MTRACE}.
> 
> This exposes another "global", so I am not sure which is better.

This doesn't seem inconsistent with other solutions to similar sorts of
problems. This is certainly less work and a smaller change.

--
Darren

> 
> Sau!
> 
> 
>> eglibc-mtrace.bb could then DEPENDS=eglibc and RDEPENDS=perl and
>> poky-tiny would need to be able to exclude eglibc-mtrace.
>>
>>
>>>    This fixes bug: [YOCTO #2523]
>>>
>>> Signed-off-by: Nitin A Kamble<nitin.a.kamble@intel.com>
>>> ---
>>>   meta/recipes-core/eglibc/eglibc-package.inc |    1 -
>>>   1 files changed, 0 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/meta/recipes-core/eglibc/eglibc-package.inc b/meta/recipes-core/eglibc/eglibc-package.inc
>>> index ce37155..423729a 100644
>>> --- a/meta/recipes-core/eglibc/eglibc-package.inc
>>> +++ b/meta/recipes-core/eglibc/eglibc-package.inc
>>> @@ -55,7 +55,6 @@ FILES_${PN}-dbg += "${libexecdir}/*/.debug ${libdir}/audit/.debug"
>>>   FILES_catchsegv${PKGSUFFIX} = "${bindir}/catchsegv"
>>>   RDEPENDS_catchsegv${PKGSUFFIX} = "libsegfault"
>>>   RDEPENDS_${PN}-utils += "bash"
>>> -RDEPENDS_${PN}-mtrace += "perl"
>>>   FILES_${PN}-pcprofile = "${base_libdir}/libpcprofile.so"
>>>   FILES_eglibc-thread-db${PKGSUFFIX} = "${base_libdir}/libthread_db.so.* ${base_libdir}/libthread_db-*.so"
>>>   RPROVIDES_${PN}-dev += "libc-dev"
>>

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel