[PATCH] bfd/ld: handle ABI prefixes in version scripts

[Joseph S. Myers]

On Mon, 13 Dec 2010, Mike Frysinger wrote:

> i found the right place in configure.ac (there's a "target specific checks" 
> section), but i dont think these gas m4 macros are useful.  the version 
> checking only works when the gas used is in tree, and this functionality cant 
> be detected at the assembler level.  my fixes are only at the linker level, 

Yes, it was an example of the sort of test that exists for binutils 
features and/or versions rather than something that can be directly used 
as-is.

gcc/configure.ac already contains code that computes a linker version 
number (gcc_cv_gld_major_version and gcc_cv_gld_minor_version).  There is 
also code (e.g. in libstdc++-v3/acinclude.m4) to compute a version of an 
out-of-tree linker (in fact, I think there are rather too many copies of 
such code in different directories that could do with some unification).  
So if you want to test version numbers without any feature tests, there 
should be various existing code to adapt.

-- 
Joseph S. Myers
joseph@codesourcery.com