On Tue, Sep 27, 2016 at 03:05:24PM +0200, Marek Polacek wrote:
> Using -Wno-error where only -Wno-implicit-fallthrough was meant was deemed
> to coarse, so this patch attempts to add a configure check for this warnign
> and only use -Wno-implicit-fallthrough when appropriate.
>
> Bootstrapped on x86_64-linux and ppc64-linux, ok for trunk?
>
> 2016-09-27 Marek Polacek <pola...@redhat.com>
>
> * Makefile.in (insn-attrtab.o-warn, insn-dfatab.o-warn,
> insn-latencytab.o-warn, insn-output.o-warn, insn-emit.o-warn): Use
> @W_NO_IMPLICIT_FALLTHROUGH@ instead of -Wno-error.
> * configure.ac: Add check for -Wimplicit-fallthrough.
> * configure: Regenerate.
Shouldn't this use ACX_PROG_CXX_WARNING_OPTS ?
Jakub
