https://git.ruby-lang.org/ruby.git/commit/?id=eba90bc034

From eba90bc03482523f5243b3657aff4299631d94dd Mon Sep 17 00:00:00 2001
From: Kazuhiro NISHIYAMA <zn@m...>
Date: Thu, 20 Jan 2022 10:03:59 +0900
Subject: Fix warnings

```
compiling ..../ruby/ruby/dln.c
..../ruby/ruby/dln.c:108:1: warning: unused function 'init_funcname_len' [-Wunused-function]
init_funcname_len(const char **file)
^
..../ruby/ruby/dln.c:122:19: warning: unused variable 'funcname_prefix' [-Wunused-const-variable]
static const char funcname_prefix[sizeof(FUNCNAME_PREFIX) - 1] = FUNCNAME_PREFIX;
		  ^
2 warnings generated.
```
---
 dln.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dln.c b/dln.c
index 9e9632ef0c2..48bebb824ba 100644
--- a/dln.c
+++ b/dln.c
@@ -104,6 +104,7 @@ dln_loaderror(const char *format, ...) https://github.com/ruby/ruby/blob/trunk/dln.c#L104
 #define isdirsep(x) ((x) == '/')
 #endif
 
+#if defined(_WIN32) || defined(USE_DLN_DLOPEN)
 static size_t
 init_funcname_len(const char **file)
 {
@@ -134,6 +135,7 @@ static const char funcname_prefix[sizeof(FUNCNAME_PREFIX) - 1] = FUNCNAME_PREFIX https://github.com/ruby/ruby/blob/trunk/dln.c#L135
     tmp[plen+flen] = '\0';\
     *(buf) = tmp;\
 } while (0)
+#endif
 
 #ifdef USE_DLN_DLOPEN
 # include <dlfcn.h>
-- 
cgit v1.2.1


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