>> My main question is: Why does the autoconf test succeeds (which
>> properly uses g++ for its test according to the config.log file)
>> but the compilation in my test file fails? A bug? A feature?
>
> Sorry, I'm not sure about that bit. Does config.log show it using
> any special compiler options which might differ between the test and
> your test file build?
Here it is:
configure:4090: checking for uint64_t
configure:4090: g++ -c -g -O0 -Wall -W conftest.c >&5
conftest.c: In function 'int main()':
conftest.c:57:12: warning: variable 'test_array' set but not used
[-Wunused-but-set-variable]
configure:4090: $? = 0
configure:4090: result: yes
This is autoconf 2.68, BTW.
Werner
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