[MACTCL] Extensions in 8.5.1

[Kevan H. <ha...@br...>]

Dear TCL-MAC,

I link my object code to TCLTK and create a dynamic library with the
following call to gcc (names changed for brevity):

gcc -dynamiclib -o a.dylib a.o b.o c.o
	-F../Wish.app/Contents/Frameworks \
	-framework Tcl \
	-framework Tk

(I'm leaving out "-Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk/"
which we need for a universal binary.)

This works fine for 8.4.18. When I switch to 8.5.1, the linker generates
the library, but when I try to load the library from the 8.5.1 console,
Wish crashes with the following error:

alloc: invalid block: 0xac464440: 0 0

The Wish I'm running is using the same 8.5 framework I linked to.
Has anyone out there succeeded in moving their own dynamic libarary
(shared object) extensions from 8.4 to 8.5?

Yours, Kevan

-- 
Kevan Hashemi, Electrical Engineer
Physics Department, Brandeis University
http://alignment.hep.brandeis.edu/