diff options
| author | Frank Mehnert <frank.mehnert@kernkonzept.com> | 2025-02-03 15:43:20 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2025-02-10 09:41:08 +0100 |
| commit | 4e53564f45eef99883d4f3f20866f32dd9218d2d (patch) | |
| tree | af74d04c6e3e30532cfa5dfbe3749c14b273c98b | |
| parent | 97eb10db57509bd641ae3b7360fdb48fe93a1f91 (diff) | |
nan.h: define NAN only if not already defined
Clang-19 defines NAN in <float.h>. Check if NAN is already defined to
prevent a compiler warning.
Change-Id: I29ebcb2a7a0c1eade46a73074a1701ea67869128
Signed-off-by: Marcus Haehnel <marcus.haehnel@kernkonzept.com>
| -rw-r--r-- | libc/sysdeps/linux/common/bits/nan.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/bits/nan.h b/libc/sysdeps/linux/common/bits/nan.h index 00cb405f1..46cfb613f 100644 --- a/libc/sysdeps/linux/common/bits/nan.h +++ b/libc/sysdeps/linux/common/bits/nan.h @@ -25,7 +25,9 @@ #if __GNUC_PREREQ(3,3) -# define NAN (__builtin_nanf ("")) +# ifndef NAN +# define NAN (__builtin_nanf ("")) +# endif #elif defined __GNUC__ |