On 15 May 2012 12:22, Vincent Lefevre <vincent+gcc@xxxxxxxxxx> wrote: > On 2012-05-14 15:59:27 -0700, Andy Lutomirski wrote: >> Unfortunately, the bogus warning is -Wuninitialized in gcc 4.6 and >> -Wmaybe-uninitialized in gcc 4.7. The obvious way to silence the >> warning is to wrap it in: >> >> #pragma GCC diagnostic push >> #pragma GCC diagnostic ignored "-Wuninitialized" >> #pragma GCC diagnostic ignored "-Wmaybe-uninitialized" >> ... >> #pragma GCC diagnostic pop >> >> It silences the original warning, but now gcc 4.6 says: >> warning: unknown option after ‘#pragma GCC diagnostic’ kind [-Wpragmas] >> >> This seems to defeat the purpose, and adding >> #pragma GCC diagnostic ignored "-Wpragmas" >> is a little gross. How am I supposed to do this? > > I think that > > #pragma GCC diagnostic ignored "-Wpragmas" > > is exactly what you want. For instance, > > #pragma GCC diagnostic ignored "-Wpragmas" > #pragma GCC diagnostic ignored "-Wuninitialized" > #pragma GCC diagnostic ignored "-Wmaybe-uninitialized" > #pragma GCC diagnostic ignored "-Wfoo" > #pragma GCC diagnostic warning "-Wpragmas" > #pragma GCC diagnostic ignored "-Wbar" > > will just give a warning concerning -Wbar. And I think that in the same way we ignore -Wno-foo if no warnings are given, we should ignore: > #pragma GCC diagnostic ignored "-Wfoo" Please open a PR. Note that you can test for the exact version of GCC with #ifdef GCC_MAJOR >= 4 && GCC_MINOR >= 7. Cheers, Manuel.
