Re: Pre-main construction order in modules

On Sun, 30 Mar 2025 07:21:14 -0400, Richard Damon wrote:
 

On 3/30/25 4:57 AM, Muttley@DastardlyHQ.org wrote:

I was curious about the order in which objects get constructed in
modules before main gets called. It seems with both Clang and gcc its
the order in which the modules were linked together to form the
runnable binary so if the link order was m1.o m2.o then anything in m1
would get constructed first.
Vice verca if you switch the order.
>
Is this codified in the standard or is it left up to compiler and
linker writers to decide how they order this?
>
>

It is left explicitly undefined in the Standard.

 No, it is *unspecified* not *undefined*.