make memrchr detection more general as some linux libcs such as musl or diet do not have memrchr either

1 files changed, 2 insertions, 1 deletions

diff --git a/src/include/compat.h b/src/include/compat.h
index 31a9760c5..b24d09653 100644
--- a/src/include/compat.h
+++ b/src/include/compat.h
@@ -44,8 +44,9 @@ void*
 GN_memrchr_ (const void *s,
              int c,
              size_t n);
-
+#ifndef HAVE_MEMRCHR
 #define memrchr(s,c,n) GN_memrchr_(s,c,n)
+#endif
 
 #ifdef __cplusplus
 }