[CMake] Using regex in find_program

[Bill Hoffman]

Rodolfo Schulz de Lima wrote:
> There's a functionality that I'm missing in find_program(...). I must 
> find an executable that matches a regex expression.
> 
> What I'm trying to achieve is find the name of a cross-compiler. It 
> would be mingw32-gcc, i585-mingw32msvc-gcc, etc... so I would match 
> ".*mingw32.*-gcc". Is there any other way to do this?
> 
> Is it possible to extend find_program to cope with regexes? In my 
> example, I would write:
> 
> find_program(PROG REGEX ".*mingw32.*-gcc")
> 
> The first matching program name (along with its path) would be returned. 
> If there's enough consensus that this should be implemented, I'm willing 
> to do this...
> 

find_program(PROG NAMES name1 name2 name3)

You have to list all the names explicitly, but you can have as many as 
you want.

-Bill