"John Maddock" <[EMAIL PROTECTED]> writes: > The crux of the issue is this: if gcc/g++ is configured with the pthread > threading model, then are object files always binary compatible irrespective > of whether they are compiled with the -pthread command line option or not?
Yes, modulo the #define of _REENTRANT. > If the answer is yes, then is it commonplace to link object files compiled > with and without -pthread? Yes. In general, all the -pthread option does is turn on -D_REENTRANT during compilation and -lpthread during linking. There is some cross-platform variation--different -D and -l options--but in no case does -pthread lead to a different ABI. Ian
