App release build crashes

[Steve Teale]

On Friday, 7 February 2014 at 07:43:05 UTC, Steve Teale wrote:
> I was attempting to to build my app COMPO using a Makefile this 
> morning, and at first this worked to some extent, but after 
> some fiddling with compiler flags to make a release version 
> that then had problems, I reverted to my original makefile as 
> of yesterday. That builds and links the app, but when I run it 
> I get
>
> Fatal Error while loading 
> '/usr/lib/i386-linux-gnu/libphobos2.so.0.64':
> 	The module 'std.regex' is already defined in './compo'.
>
> My Makefile has:
>
> LFLAGS = -L-L/usr/lib/i386-linux-gnu -L-L/usr/local/lib 
> -L-L/home/steve/COMPO -L-lusps4cb -L-lgtkd-2 -L-lrsvg 
> -L-lphobos2 -L-ldl -L-lpthread -L-lm -L-lrt
>
> compo: $(OBJFILES)
> 	gcc -o compo $(OBJFILES) $(LFLAGS)
>
> If I use static phobos2 -L-l:libphobos2.a, it runs OK. Building 
> via CodeBlocks using phobos2 shared library works OK judging by 
> the smaller executable size.
>
> What is wrong with my linker flags?

Possibly nothing - I was using binutils-gold, and reverting to 
the Gnu linker fixed that.

However the version built with phobos shared crashes in use, and 
I have to delve into that before I can say where.