John Ralls <[email protected]> writes:
> On Sep 23, 2013, at 7:42 AM, Derek Atkins <[email protected]> wrote:
>
>> Christian Stimming <[email protected]> writes:
>>
>>> The new test fails for me as well: Kubuntu 11.10, and config.log says:
>>>
>>> configure:20323: checking Looking for at least one supported DBD module
>>> configure:20343: gcc -o conftest -I/home/cs/usr/include -ldl conftest.c -
>>> lpthread
>>>> &5
>>
>> Curious: What happens if this line were to become:
>>
>> gcc -o conftest -I/home/cs/usr/include conftest.c -ldl -lpthread
>>
>
> The patch I proposed here yesterday does that, at least with respect
> to the order of the libraries wrt conftest.c. Other CFLAGS are
> determined elsewhere by configure and the environment, of course.
I didn't take a close look at the patch, but I was just wondering
because if -ldl is before conftest.c then the compiler might not notice
that you need dlopen() from -ldl until after it's processing conftest.c,
which would be "too late". So yes, sometimes order of files/libraries
on the command line *is* important.
> Regards,
> John Ralls
-derek
--
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
Member, MIT Student Information Processing Board (SIPB)
URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH
[email protected] PGP key available
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