ld on sparc-solaris: linkage order

[H . J . Lu]

On Thu, Jul 13, 2000 at 12:33:53PM +0200, Volker Boerchers wrote:
> On Wed, 12 Jul 2000, H . J . Lu wrote:
> > On Wed, Jul 12, 2000 at 01:11:56PM +0200, Volker Boerchers wrote:
> > > Hi,
> > > 
> > > we are having problems getting a multithreaded application to run on
> > > sparc-solaris7 (gcc-2.95.2, ld version 2.10 (with BFD 2.10)).
> > > 
> > > we found in the sun docs
> > > ( http://docs.sun.com:80/ab2/coll.45.10/MTP/@Ab2PageView/14940?DwebQuery=thread&Ab2Lang=C&Ab2Enc=iso-8859-1 ),
> > > that the linkage order of libc and libthread has to be -lpthread -lc.
> > > 
> > > So we are fixing now the link line in the makefiles to see if this helps.
> > > 
> > > The sunpro linker has an option `-mt' to ensure this order automatically.
> > 
> > If you use gcc, you can modify the specs file.
> 
> thank you for this hint. By looking into the file (for the first time...) 
> i get a slight idea how it could be done. Is there a documentation of the
> syntax of this file?
> 
> Wouldn't it be good to have an appropriate change in the spec file (or
> whereever) _by default_ on solaris?
> 

I think gcc should take -mt on Solaris. Could you please send me a
simple testcase so that I can verify it on my Solaris?


H.J.