[tlbuild] Support for musl

[Reinhard Kotucha]

On 2018-01-23 at 13:43:23 +1300, Henri wrote:

 > I'll see whether I can fix this somehow but I'm not an autotools
 > wizard.

Dear Henri,
Liugi Scarso mentioned a book about autotools in one of his papers.

  John Calcote, Autotools, no starch press, July 2010,
       ISBN-13: 978-1-59327-206-7

Regards,
  Reinhard

-- 
------------------------------------------------------------------
Reinhard Kotucha                            Phone: +49-511-3373112
Marschnerstr. 25
D-30167 Hannover                    mailto:reinhard.kotucha at web.de
------------------------------------------------------------------