Ruby Issue Tracking System

06/14/2022

05:11 PM Ruby Bug #18808: Cannot compile ruby 3.1.2 on powerpc64le-linux without disabling the jit features

```
--- rb_mjit_header.h 2022-06-14 18:58:52.514742594 +0200
+++ rb_mjit_min_header-3.2.0.h 2022-06-14 07:47:37.415389264 +0200
...
@@ -22947,7 +16629,7 @@
((iseq)->body)->param.flags.has_kwrest == 0 &&
... michals (Michal Suchánek)

05:58 AM Ruby Bug #18808: Cannot compile ruby 3.1.2 on powerpc64le-linux without disabling the jit features

```
/tmp/20220614-16633-i2edux.h:16633:1: error: multiple storage classes in declaration specifiers
__attribute__ ((__visibility__("default"))) extern
^
compilation terminated due to -Wfatal-errors.
```
```
_Bool
rb_simple_iseq... michals (Michal Suchánek)

06/13/2022

02:58 PM Ruby Bug #18823: _Bool not defined for C++

Thanks for the clarification.
I see that ruby core uses bool pretty consistently, and _Bool is used only in a few places.
Not sure where I copied it from. michals (Michal Suchánek)

01:55 PM Ruby Bug #18823: _Bool not defined for C++

include/ruby/internal/stdbool.h defines _Bool, and in most cases just uses bool defined by the runtime.
I have no idea how there would even be _Bool if not defined there.
_Bools is used in bigdecimal and detected in extconf so it's... michals (Michal Suchánek)

11:06 AM Ruby Bug #18823: _Bool not defined for C++

```
generating cxxanyargs-x64-mswin64_140.def
compiling ../../../../src/ext/-test-/cxxanyargs/cxxanyargs.cpp
cxxanyargs.cpp
D:\a\ruby\ruby\src\include\ruby/internal/intern/select/win32.h(213): error C2061: syntax error: identifier '_... michals (Michal Suchánek)

11:00 AM Ruby Bug #18823: _Bool not defined for C++

I added a _Bool argument as part of other development which prevents ruby from building on older compiler versions and VS - eg. https://github.com/ruby/ruby/commit/6c72653d98c36c2a816bfff4e4e9b1c451154a9e michals (Michal Suchánek)

06/12/2022

09:49 PM Ruby Bug #18823: _Bool not defined for C++

Apparently for MSVC to report the correct c++ version it needs the /Zc:__cplusplus flag.
I don't know where to inject this flag, though.
The other failure cases are probably really obsolete.
michals (Michal Suchánek)

09:33 PM Ruby Bug #18823 (Rejected): _Bool not defined for C++

When a _Bool argument is added to rb_fd_select ruby cannot be compiled on
VisualStudio 2022
VisualStudio 2019
gcc-5
gcc-4.8
clang-5
clang-4
clang-3.9
c++98 (llvm 14)
c++2a (llvm 14)
which suggests that `if defined(HAV... michals (Michal Suchánek)

08:38 PM Ruby Bug #18808: Cannot compile ruby 3.1.2 on powerpc64le-linux without disabling the jit features

```
diff --git a/tool/transform_mjit_header.rb b/tool/transform_mjit_header.rb
index 8867c556f0..63a072573a 100644
--- a/tool/transform_mjit_header.rb
+++ b/tool/transform_mjit_header.rb
@@ -194,10 +194,10 @@ def self.conflicting_types?(... michals (Michal Suchánek)

08:30 PM Ruby Bug #18808: Cannot compile ruby 3.1.2 on powerpc64le-linux without disabling the jit features

Also a problem on SLE 12
Deleting the `extern` reports the same error on the next line with `__attribute__ ((__visibility__("default"))) extern` which suggests that `extern` does not go with `__attribute__ ((__visibility__("default")))`... michals (Michal Suchánek)