Re: GCC dependencies (attn David Billinghurst)

[Dave Korn <dave.korn.cygwin@gmail.com>]

On 14/08/2011 20:29, Yaakov (Cygwin/X) wrote:

> Looking at the code, the .exe handling is added in gcc/gcc.c.  There are
> two macros: HOST_EXECUTABLE_SUFFIX (which adds .exe to the commands it
> calls (cc1/as/collect2/ld), and TARGET_EXECUTABLE_SUFFIX, which is used
> only for and in convert_filename() to change the output filename.  But
> the latter is only used if:
> 
> /* By default there is no special suffix for target executables.  */
> /* FIXME: when autoconf is fixed, remove the host check - dj */
> #if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX)
> #define HAVE_TARGET_EXECUTABLE_SUFFIX
> #endif
> 
> I may be new to the GCC code, but that just looks bogus.  On Linux,
> HOST_EXECUTABLE_SUFFIX is obviously empty, but why should that control
> HAVE_TARGET_EXECUTABLE_SUFFIX?
> 
> I've made a patch to change that, and am rebuilding cygwin-gcc with that
> now.  If it works (and I don't see why it won't), I'll go ahead and
> respin releases with the patch.
> 
> Dave, anything to add here?

  Perhaps ping DJ over on the GCC list to ask him if he remembers the context
behind that comment; maybe whatever was the autoconf problem is indeed now fixed.

    cheers,
      DaveK