| Message ID | 20220214185605.28087-4-f4bug@amsat.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | host: Support macOS 12 | expand |
On Mon, 14 Feb 2022 at 18:56, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote: > > Since we already use -Wno-unknown-pragmas, we can also use > -Wno-ignored-pragmas. This silences hundred of warnings using > clang 13 on macOS Monterey: > > [409/771] Compiling C object tests/fp/libtestfloat.a.p/berkeley-testfloat-3_source_test_az_f128_rx.c.o > ../tests/fp/berkeley-testfloat-3/source/test_az_f128_rx.c:49:14: warning: '#pragma FENV_ACCESS' is not supported on this target - ignored [-Wignored-pragmas] > #pragma STDC FENV_ACCESS ON > ^ > 1 warning generated. > GCC doesn't know about -Wignored-pragmas, so this change is relying on the GCC "ignore a -Wno-something that this gcc doesn't recognize if we wouldn't otherwise be complaining about something" behaviour. I forget which GCC version that was introduced in... (This is why configure has the cc_has_warning_flag() test before it tries to use a warning/warning-suppression option.) -- PMM
diff --git a/tests/fp/meson.build b/tests/fp/meson.build index 59776a00a7..5192264a08 100644 --- a/tests/fp/meson.build +++ b/tests/fp/meson.build @@ -30,6 +30,7 @@ tfcflags = [ '-Wno-implicit-fallthrough', '-Wno-strict-prototypes', '-Wno-unknown-pragmas', + '-Wno-ignored-pragmas', '-Wno-uninitialized', '-Wno-missing-prototypes', '-Wno-return-type',
Since we already use -Wno-unknown-pragmas, we can also use -Wno-ignored-pragmas. This silences hundred of warnings using clang 13 on macOS Monterey: [409/771] Compiling C object tests/fp/libtestfloat.a.p/berkeley-testfloat-3_source_test_az_f128_rx.c.o ../tests/fp/berkeley-testfloat-3/source/test_az_f128_rx.c:49:14: warning: '#pragma FENV_ACCESS' is not supported on this target - ignored [-Wignored-pragmas] #pragma STDC FENV_ACCESS ON ^ 1 warning generated. Having: $ cc -v Apple clang version 13.0.0 (clang-1300.0.29.30) Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- tests/fp/meson.build | 1 + 1 file changed, 1 insertion(+)