[ruby-core:95078] [Ruby master Bug#16179] ruby binaries generate "already initialized constant" warnings

Issue #16179 has been updated by nobu (Nobuyoshi Nakada).

Status changed from Open to Feedback
Description updated

Could you show what  `ruby -e 'puts $:'` print, and is it same as in irb?

----------------------------------------
Bug #16179: ruby binaries generate "already initialized constant" warnings
https://bugs.ruby-lang.org/issues/16179#change-81711

* Author: Reshma (Reshma Kumar)
* Status: Feedback
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.6.3
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
We are building ruby 2.6.3(both 32 and 64bit) on AIX 6.1.
The build options used for 64bit build are:-

```
export LDFLAGS="-L/opt/freeware/lib64 -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib64:/usr/lib:/lib"
```

and for 32bit build are:-

```
export LDFLAGS="-L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib:/usr/lib:/lib -Wl,-bmaxdata:0x80000000"
```

After successful build and installation of the package, 64bit and 32bit libraries are installed in /opt/freeware/lib64 and /opt/freeware/lib respectively. There are ruby scripts which are shipped in both /opt/freeware/lib and /opt/freeware/lib64.

Execution of irb(both 64bit and 32bit) generates warnings as mentioned below.

```
# irb
/opt/freeware/lib/ruby/2.6.0/uri/common.rb:17: warning: already initialized constant URI::REGEXP
/opt/freeware/lib64/ruby/2.6.0/uri/common.rb:17: warning: previous definition of REGEXP was here
/opt/freeware/lib/ruby/2.6.0/uri/common.rb:18: warning: already initialized constant URI::Parser
/opt/freeware/lib64/ruby/2.6.0/uri/common.rb:18: warning: previous definition of Parser was here
```

Any ideas why this could be happening?



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