It might be late, but if you ever want to use /usr/bin/as, here's what you need
to change:
- In AM_INIT_AUTOMAKE add '-Wno-override' after '-Wall' to allow override
Automake rules:
AM_INIT_AUTOMAKE([-Wall -Wno-override -Werror])
- In Makefile.am add the custom rule:
.s.o:
$(AS) $(ASFLAGS) -o $@ $<
- Don't use AM_CCASFLAGS.
On 07.06.2018 21:16, mallapadi niranjan wrote:
> On Thu, Jun 7, 2018 at 10:03 PM, Eric Blake <ebl...@redhat.com> wrote:
>
>> On 06/07/2018 11:23 AM, mallapadi niranjan wrote:
>>
>>> Thanks for the reply, that did help a bit but was not able to remove the
>>>>
>>> -c option
>>>
>>> I passed./configure CCAS=/usr/bin/as CFLAGS=''
>>>
>>>
>>> [ashok@mydevel foobar]$ make
>>> make all-am
>>> make[1]: Entering directory
>>> `/home/ashok/practice/ia32/myasm/autotools/foobar'
>>> /usr/bin/as --gstabs+ -c -o hello.o hello.s
>>>
>>
>> The automake documentation states that when you use AM_PROG_AS, your
>> assembler MUST behave like a C compiler, in that it MUST accept -c and -o.
>> If /usr/bin/as does not accept -c, then you'll have to provide a
>> shell-script wrapper that adds that functionality on top of /usr/bin/as, at
>> least according to the automake documentation.
>>
>> But again, the autoconf list is not the best list to be asking this;
>> you'll (hopefully) get better response on the automake list, since it is an
>> automake feature you are trying to use.
>
>
> I was able to resolve it now using gcc itself instead of /usr/binas to
> compile and link the assembler using below method
>
> Makefile.am
>
> bin_PROGRAMS = hello
> hello_SOURCES = hello.s
> hello_LDFLAGS=-nostdlib -lgcc -Wl,-e_start
>
>
>
>
>>
>>
>> --
>> Eric Blake, Principal Software Engineer
>> Red Hat, Inc. +1-919-301-3266
>> Virtualization: qemu.org | libvirt.org
>>
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