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[v1] perf trace: Avoid compile error wrt redefining bool

Message ID 20230913184957.230076-1-irogers@google.com (mailing list archive)
State Handled Elsewhere
Delegated to: BPF
Headers show
Series [v1] perf trace: Avoid compile error wrt redefining bool | expand

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Commit Message

Ian Rogers Sept. 13, 2023, 6:49 p.m. UTC 
Make part of an existing TODO conditional to avoid the following build
error:
```
tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:14: error: cannot combine with previous 'char' declaration specifier
   26 | typedef char bool;
      |              ^
include/stdbool.h:20:14: note: expanded from macro 'bool'
   20 | #define bool _Bool
      |              ^
tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:1: error: typedef requires a name [-Werror,-Wmissing-declarations]
   26 | typedef char bool;
      | ^~~~~~~~~~~~~~~~~
2 errors generated.
```

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Namhyung Kim Sept. 17, 2023, 5:25 a.m. UTC | #1 
On Wed, Sep 13, 2023 at 11:50 AM Ian Rogers <irogers@google.com> wrote:
>
> Make part of an existing TODO conditional to avoid the following build
> error:
> ```
> tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:14: error: cannot combine with previous 'char' declaration specifier
>    26 | typedef char bool;
>       |              ^
> include/stdbool.h:20:14: note: expanded from macro 'bool'
>    20 | #define bool _Bool
>       |              ^
> tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:1: error: typedef requires a name [-Werror,-Wmissing-declarations]
>    26 | typedef char bool;
>       | ^~~~~~~~~~~~~~~~~
> 2 errors generated.
> ```
>
> Signed-off-by: Ian Rogers <irogers@google.com>

Applied to perf-tools, thanks!

Namhyung
diff mbox series

Patch

diff --git a/tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c b/tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c
index 90ce22f9c1a9..939ec769bf4a 100644
--- a/tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c
+++ b/tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c
@@ -23,7 +23,9 @@ 
 #define MAX_CPUS  4096
 
 // FIXME: These should come from system headers
+#ifndef bool
 typedef char bool;
+#endif
 typedef int pid_t;
 typedef long long int __s64;
 typedef __s64 time64_t;