svn commit: r540710 - head/sysutils/arcconf

[Gerald Pfeifer]

On Wed, 3 Feb 2021, Thomas Vogt wrote:
>>>>  - Update Makefile to use current version of GCC as defined in
>>>>    bsd.default-versions.mk. (USE_GCC=yes)
>>> ...
>>>> LIB_DEPENDS=	libstdc++.so.6:lang/gcc${GCC_DEFAULT}
>>>> +USE_GCC=	yes
>>> This looks very (very) odd.
>>> 
>>> USE_GCC already implies a run-time dependency on lang/gcc${GCC_DEFAULT}
>>> and I do not recall seeing such a LIB_DEPENDS before.
>>> 
>>> Are you sure this is really, really needed with USE_GCC=yes?
>> I believe, seeing NO_BUILD=yes, it's because this is some sort of binary-
>> only program which links against libstdc++.so.6.  I can't verify because
>> the distfile is ~73MB and that's a bit too much for me to download ATM.
> arcconf links to libstdc++.so.6. An ancient libstdc++.so.6 version was 
> provided with old freebsd versions (included with an old gcc). The 
> binary failed to run with:  ld-elf.so.1: /usr/lib/libstdc++.so.6: 
> version GLIBCXX_3.4.11 required ..
> 
> Newer gcc versions from the port provided libstdc++.so.6 with >= 
> GLIBCXX_3.4.11. Thats the reason why gcc was added.

So I am wondering: Isn't USE_GCC=yes sufficient?

USE_GCC=yes implies 
  RUN_DEPENDS+=   ${CC}:lang/gcc${GCC_DEFAULT}
which pulls in lang/gcc${GCC_DEFAULT} and its run-time libraries at
run time.

The LIB_DEPENDS statement above does not add to that.

Gerald