On Tue, May 29, 2018 at 04:45:55PM +0200, Thomas Monjalon wrote: > 28/05/2018 15:24, Bruce Richardson: > > Would a simpler solution for this not be to put "-Wno-implicit-fallthrough" > > for pmdinfogen? GCC will not give a warning for an unrecognised "-Wno" > > flag when compiling, unless there are other errors. This means we can just > > use the flag without bothering with version checks. > > No, it does not work. > I have this error with clang 5.0.1: > error: unknown warning option '-Wno-format-truncation' > Yes, you still need to check for GCC to use the flag, just not for a specific version of GCC.
/Bruce
