[ECOS] Configtool libtarget.a build malfunction?

[harri.siirtola@vtt.fi]

It looks like the Configuration Tool 2.0 builds the library by replacing
lib members, not recreating the whole library. Example situation: I want to
remove POSIX pthread support and write my enhanced pthread_create() etc..
If I just uncheck POSIX thread support and rebuild, the pthread functions
remain in libtarget.a, resulting to redefinition error in my application
link phase. Is this intended for some obvious reason?

Now I must save to another xxx.ecc and build all.

Cheers,
	Harri