RE: Need help buiding bfd shared library

["Potharla, Rupesh" <Rupesh.Potharla@amd.com>]

[AMD Official Use Only - General]



>-----Original Message-----
>From: Jan Beulich <jbeulich@suse.com>
>Sent: Thursday, August 4, 2022 12:17 PM
>To: Potharla, Rupesh <Rupesh.Potharla@amd.com>
>Cc: George, Jini Susan <JiniSusan.George@amd.com>; Parasuraman,
>Hariharan <Hariharan.Parasuraman@amd.com>; Kumar N, Bhuvanendra
><Bhuvanendra.KumarN@amd.com>; Potharla, Rupesh via Binutils
><binutils@sourceware.org>
>Subject: Re: Need help buiding bfd shared library
>
>[CAUTION: External Email]
>
>On 03.08.2022 20:59, Potharla, Rupesh wrote:
>> [Public]
>>
>>> On 03.08.2022 08:49, Potharla, Rupesh wrote:
>>>>> On 03.08.2022 08:09, Potharla, Rupesh via Binutils wrote:
>>>>>> I am working on building bfd shared library for my code changes. I
>>>>>> tried with
>>>>> "configure --enable-shared=bfd" but BFD is creating static library
>>>>> only even with -enable-shared option .  Did I miss something ? Can
>>>>> someone help me with the instructions to build bfd shared library?
>>>>>
>>>>> Did you try --enable-shared without "=bfd"? So far I wasn't aware
>>>>> of that form as an option, and at least a quick inspection of the
>>>>> configure script also doesn't suggest that form might exist. But I
>>>>> may be
>>> entirely wrong ...
>>>>
>>>> I tried that option as well and tried with --enable-host-shared
>>>> combination
>>> also but no luck.
>>>
>>> You may want to inspect configure output then. Here in bfd/config.log
>>> I see
>>>
>>> configure:8674: checking whether the gcc -std=gnu99 linker
>>> (/usr/lib/gcc/.../ld) supports shared libraries
>>> configure:9745: result: yes
>>> ...
>>> configure:11365: checking if libtool supports shared libraries
>>> configure:11367: result: yes
>>> configure:11370: checking whether to build shared libraries
>>> configure:11391: result: yes
>>> configure:11394: checking whether to build static libraries
>>> configure:11398: result: yes
>>>
>>> I would guess one of these is failing for you, at which point you'd
>>> want to figure out why that is.
>>
>> None of the above is failing for me. I looked at the config.log file and tried
>the combination of different options none of them is working. In fact, I don't
>see a target for libbfd.so in the Makefile.
>
>Look for a libbfd.la target. There's libtool involved here, and I think that's the
>rule where the .so linking happens (at the same time as the creation of
>libbfd.a). IOW I suppose all depends on the flags passed to libtool ...
>
>> configure:11283: checking whether stripping libraries is possible
>> configure:11288: result: yes
>> configure:11323: checking if libtool supports shared libraries
>> configure:11325: result: yes
>> configure:11328: checking whether to build shared libraries
>> configure:11349: result: yes
>> configure:11352: checking whether to build static libraries
>> configure:11356: result: yes
>> configure:8563: checking for dlfcn.h
>> configure:8563: result: yes
>>
>> Just out of curiosity is the --enable-shared option really working for others?
>
>Yes (on Linux; on Cygwin the answer would be "no").

"./configure --enable-shared=bfd --enable-host-shared && make " is the command I am running for this. I ran it on multiple Linux machines but did not see libbfd.so.  
Can you confirm the command ?

Regards,
Rupesh P