Re: Issue with AC_LANG_PROGRAM

[Earnie Boyd]

On Thu, Jul 18, 2013 at 8:08 AM, Eric Blake wrote:
> On 07/18/2013 03:36 AM, Miguel Guedes wrote:
>> Hello,
>>
>>
>> I am using AC_LANG_PROGRAM to test for libboost_system and it invokes
>> gcc/g++ in the following way:
>>
>> configure:3975: g++ -o conftest -g -O2  -lboost_system conftest.cpp
>>
>> The above results in a few errors and doesn't link even though the
>> library in question is present in the system.  This is because the
>> source file should be at the front in the call to g++, e.g.:
>>
>>   g++ conftest.cpp -o conftest -g -O2  -lboost_system
>
> That's probably because you put -lboost_system into LDFLAGS instead of
> the proper LIBS (LDFLAGS is for -L/path, LIBS for -llib).

That answer is still problematic since I need -L/path to instruct
where to find my -llib. I.E. LDFLAGS value need to be specified before
LIB value for the test.

-- 
Earnie
-- https://sites.google.com/site/earnieboyd