From: "stanhu (Stan Hu)" <noreply@...>
Date: 2022-11-02T04:39:48+00:00
Subject: [ruby-core:110575] [Ruby master Bug#19082] Recent gRPC gem fails to build from the source in already released versions

Issue #19082 has been updated by stanhu (Stan Hu).


monfresh (Moncef Belyamani) wrote in #note-6:
> nobu (Nobuyoshi Nakada) wrote in #note-5:
> > Probably this issue will be fixed by https://github.com/grpc/grpc/pull/31151.
> 
> Ah! Yes! Thanks for the explanation about what the dollar sign does. I just built the grpc gem locally with the fix in that PR and it installed fine in Ruby 3.1.3.

Note that this issue is also related to https://bugs.ruby-lang.org/issues/19005. The fixes for Ruby to include `-undefined dynamic_lookup` by default would mask the issue.

----------------------------------------
Bug #19082: Recent gRPC gem fails to build from the source in already released versions
https://bugs.ruby-lang.org/issues/19082#change-99909

* Author: monfresh (Moncef Belyamani)
* Status: Third Party's Issue
* Priority: Normal
* ruby -v: 3.1.3
* Backport: 2.7: DONTNEED, 3.0: DONTNEED, 3.1: DONTNEED
----------------------------------------
About 10 days ago, this commit in the ruby_3_1 branch removed the "$" from "[$flag=]" on line 3073 of `configure.ac`:

https://github.com/ruby/ruby/commit/ee6cc2502664ac46edc61868d8954b626bb48e53#r87450090

This causes the installation of the grpc gem to fail whereas before this change, the gem installed fine. If I add the dollar sign back in, the grpc gem installs successfully.

Here are the steps to reproduce:

1. Clone the Ruby repo on an Apple Silicon Mac that has v14 of the command line tools
2. `git checkout -b ruby_3_1 origin/ruby_3_1`
3. Compile Ruby:
```
./autogen.sh
./configure --with-opt-dir="$(brew --prefix openssl@3):$(brew --prefix readline):$(brew --prefix libyaml):$(brew --prefix gdbm):$(brew --prefix gmp)" --prefix=/Users/moncef/.rubies/ruby-3.1.3 --disable-install-doc
make -j7 main
make -j7 install
```
4. Switch to 3.1.3 with `chruby 3.1.3`
5. `gem install grpc`
With the current branch, this fails.

6. Remove ~/.rubies/ruby-3.1.3 and ~/.gem/ruby/3.1.3
7. Add the dollar sign back in `configure.ac`
8. Compile Ruby 3.1.3 again the same way as above
9. Switch to 3.1.3
10. `gem install grpc` => This works now.

I attached a zip file of the "gem_make.out" file that shows the full stack trace for why grpc failed to build the gem native extension.

---Files--------------------------------
gem_make.out.zip (77 KB)


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