[lazarus] Makefile updates

[Peter Vreman]

> > I've updated fpcmake and the Makefiles. The win32 build is now working, but 
> > the created executable crashes at startup.
> 
> I just updated under linux, and guess what happended: It crashes here as well.
> The reason is simple: No widget interface has been compiled.

Maybe you can add a simple writeln() and halt() to the abstract interface so it terminates
nicely

> The LCL needs a small trick to compile:
> 
> 1. compile the lcl
> 2. remove lcl/units/interfaces.ppu
> 3. compile one widget interface (gtk or win32)
> 
> If you want to compile an additional widget interface, you must repeat step 2.+3.
> 
> In the current Makefile, this remove statement is missing, and so the LCL is abstract.
> Plz add such a remove to the Makefile.
> 
> 
> Also the synedit is now build in 9 compile steps. There is a allunits.pp. Compile this
unit to compile synedit in one step.

OK, this can be added there is special support for using such build allunits.pp