[PATCH] Revise Windows PECOFF weak symbols

[Nick Clifton]

Hi Daniel, Hi Aaron,

>>>+ #
>>>+ # exe_ext
>>>+ #	Returns target executable extension, if any.
>>>+ #
>>>+ proc exe_ext {} {
>>>+     if { [istarget *-*-mingw32] || [istarget *-*-cygwin*] } {
>>>+         return ".exe"
>>>+     } else {
>>>+         return ""
>>>+     }
>>>+ }
>>
>>This is the best way I could think of for doing this, which should work
>>for Linux also.

Except that Linux hosted cross-compilers, eg for i686-pc-cygwin, have 
executables without the .exe extension, but the above code checks the 
cross-compiler's target and not the cross-compiler's host.

> istarget corresponds to --target, which does not affect EXE_EXT. 
> There's an ishost; would that work?

Ah - yes that ought to do the trick.

Cheers
   Nick