| Message ID | 20240604231219.444603-1-edliaw@google.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | selftests/timers: Guard LONG_MAX / LONG_MIN defines | expand |
On Tue, Jun 04, 2024 at 11:12:18PM +0000, Edward Liaw wrote: > Add ifndef guards around LONG_MAX / LONG_MIN defines. When building with > Android bionic, these macros are redefined because bionic's time.h will > include linux/time.h, which includes limit.h. > > INFO: From Compiling common/tools/testing/selftests/timers/valid-adjtimex.c: > common/tools/testing/selftests/timers/valid-adjtimex.c:107:9: warning: 'LONG_MAX' macro redefined [-Wmacro-redefined] > 107 | #define LONG_MAX (~0UL>>1) > | ^ > prebuilts/clang/host/linux-x86/clang-r522817/lib/clang/18/include/limits.h:47:9: note: previous definition is here > 47 | #define LONG_MAX __LONG_MAX__ > | ^ > common/tools/testing/selftests/timers/valid-adjtimex.c:108:9: warning: 'LONG_MIN' macro redefined [-Wmacro-redefined] > 108 | #define LONG_MIN (-LONG_MAX - 1) > | ^ > prebuilts/clang/host/linux-x86/clang-r522817/lib/clang/18/include/limits.h:52:9: note: previous definition is here > 52 | #define LONG_MIN (-__LONG_MAX__ -1L) > | ^ > > Signed-off-by: Edward Liaw <edliaw@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> > --- > tools/testing/selftests/timers/valid-adjtimex.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/tools/testing/selftests/timers/valid-adjtimex.c b/tools/testing/selftests/timers/valid-adjtimex.c > index d500884801d8..3d9f1baff86e 100644 > --- a/tools/testing/selftests/timers/valid-adjtimex.c > +++ b/tools/testing/selftests/timers/valid-adjtimex.c > @@ -102,8 +102,12 @@ long outofrange_freq[NUM_FREQ_OUTOFRANGE] = { > 1000 * SHIFTED_PPM, > }; > > +#ifndef LONG_MAX > #define LONG_MAX (~0UL>>1) > +#endif > +#ifndef LONG_MIN > #define LONG_MIN (-LONG_MAX - 1) > +#endif > > long invalid_freq[NUM_FREQ_INVALID] = { > LONG_MAX, > -- > 2.45.1.288.g0e0cd299f1-goog >
diff --git a/tools/testing/selftests/timers/valid-adjtimex.c b/tools/testing/selftests/timers/valid-adjtimex.c index d500884801d8..3d9f1baff86e 100644 --- a/tools/testing/selftests/timers/valid-adjtimex.c +++ b/tools/testing/selftests/timers/valid-adjtimex.c @@ -102,8 +102,12 @@ long outofrange_freq[NUM_FREQ_OUTOFRANGE] = { 1000 * SHIFTED_PPM, }; +#ifndef LONG_MAX #define LONG_MAX (~0UL>>1) +#endif +#ifndef LONG_MIN #define LONG_MIN (-LONG_MAX - 1) +#endif long invalid_freq[NUM_FREQ_INVALID] = { LONG_MAX,
Add ifndef guards around LONG_MAX / LONG_MIN defines. When building with Android bionic, these macros are redefined because bionic's time.h will include linux/time.h, which includes limit.h. INFO: From Compiling common/tools/testing/selftests/timers/valid-adjtimex.c: common/tools/testing/selftests/timers/valid-adjtimex.c:107:9: warning: 'LONG_MAX' macro redefined [-Wmacro-redefined] 107 | #define LONG_MAX (~0UL>>1) | ^ prebuilts/clang/host/linux-x86/clang-r522817/lib/clang/18/include/limits.h:47:9: note: previous definition is here 47 | #define LONG_MAX __LONG_MAX__ | ^ common/tools/testing/selftests/timers/valid-adjtimex.c:108:9: warning: 'LONG_MIN' macro redefined [-Wmacro-redefined] 108 | #define LONG_MIN (-LONG_MAX - 1) | ^ prebuilts/clang/host/linux-x86/clang-r522817/lib/clang/18/include/limits.h:52:9: note: previous definition is here 52 | #define LONG_MIN (-__LONG_MAX__ -1L) | ^ Signed-off-by: Edward Liaw <edliaw@google.com> --- tools/testing/selftests/timers/valid-adjtimex.c | 4 ++++ 1 file changed, 4 insertions(+)