From: "Kulikjak (Jakub Kulik)" <noreply@...>
Date: 2022-01-12T13:13:04+00:00
Subject: [ruby-core:107071] [Ruby master Bug#18480] Dtrace enabled build fails on systems with DTRACE_REBUILD=yes

Issue #18480 has been reported by Kulikjak (Jakub Kulik).

----------------------------------------
Bug #18480: Dtrace enabled build fails on systems with DTRACE_REBUILD=yes
https://bugs.ruby-lang.org/issues/18480

* Author: Kulikjak (Jakub Kulik)
* Status: Open
* Priority: Normal
* ruby -v: ruby 3.1.0p0 (2021-12-25 revision fb4df44d16) [amd64-solaris2.11]
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN
----------------------------------------
When building Ruby 3.1 on Solaris, where dtrace requires a recompilation (DTRACE_REBUILD=yes), the compilation fails with the following linking error:

```
linking miniruby
Undefined			first referenced
 symbol  			    in file
__dtraceenabled_ruby___cmethod__return yjit.o
__dtrace_ruby___cmethod__return     yjit.o
ld: fatal: symbol referencing errors
```

My guess is that this is because of `RUBY_DTRACE_CMETHOD_RETURN_HOOK(ec, me->owner, me->def->original_id);` in yjit_codegen.c and seems to be easily fixed by adding yjit to `DTRACE_DEPENDENT_OBJS`:

```
--- ruby-3.1.0/template/Makefile.in
+++ ruby-3.1.0/template/Makefile.in
@@ -193,7 +193,8 @@ DTRACE_DEPENDENT_OBJS = array.$(OBJEXT)
            parse.$(OBJEXT) \
            string.$(OBJEXT) \
            symbol.$(OBJEXT) \
-           vm.$(OBJEXT)
+           vm.$(OBJEXT) \
+           yjit.$(OBJEXT)
 
 THREAD_MODEL  = @THREAD_MODEL@
 
```




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