On Tue, 2011-03-29 at 20:55 +0000, Joseph S. Myers wrote: > This patch continues cleaning up the toplevel configure.ac, in particular > as regards cases handling GCC libraries for targets where GCC is no longer > (or never was) supported. > > The principle there, as discussed for the original deprecated targets > removal patch, is that in the absence of GCC support for a target it > doesn't matter exactly how toplevel is configured to build GCC libraries > (or other GCC-related directories) for that target - builds will and > should fail if GCC is included in the source tree - so toplevel > configure.ac should be set up for maximal simplicity. In most cases that > means no explicit mention of GCC libraries for such a target; in some > cases it means removing the target entry altogether so that another case > becomes active instead (possibly the *-*-* case that disables libgcj > only). > > In general cases just disabling libgcj are redundant with the *-*-* case > unless they prevent some other case being active for the target, and so > are removed. There were also a couple of removed cases for targets with > no support in GCC or src at all (romp-*-*, vax-*-vms) - if there's no > support in GCC or src, it's right that a build should fail trying to build > whatever sources you have there, and silly for toplevel to try disabling > everything because nothing is supported. > > Other cleanups here: noconfigdirs="$noconfigdirs" is completely useless > and was removed; c54x*-*-* is always mapped to tic54x-*-* by config.sub so > that case can be simplified; cris*-*-none acts just like cris*-*-elf in > config.gcc so it's appropriate to make the "*" subcase of cris*-*-* act > like the -elf case; mmix-*-* disabled "libgloss", i.e. libgloss for the > host, which is never built anyway. > > OK to commit? > > 2011-03-29 Joseph Myers <jos...@codesourcery.com> >
> (arm-*-coff): Don't disable libgcj. > (arm*-*-linux-gnueabi): Remove useless assignment. > (arm-*-riscix*): Don't disable libgcj. RISC iX support was removed from GCC years ago. Looks like a tiny fragment left over that wasn't cleaned up. The other bits are fine with me. R.
