Creating a microcontroller startup file

[Johannes Pfau via Digitalmars-d-learn]

Am Tue, 07 Apr 2015 20:38:52 +0000
schrieb "Jens Bauer" <doctor at who.no>:

> On Tuesday, 7 April 2015 at 20:33:26 UTC, Jens Bauer wrote:
> > Question number 1: How can a C subroutine be made optional, so 
> > it's called only if it linked ?
> 
> Question 1 might be answered by the following thread:
> http://forum.dlang.org/thread/mg1bad$30uk$1@digitalmars.com
> -So no need to answer question 1. ;)

I actually saw these errors when I first tested your examples, but I
thought that was a mistake in the example code. I didn't even know that
extern weak symbols get default values in C ;-)