eventmachine does not compile on mac m2 · Issue #1010 · eventmachine/eventmachine · GitHub
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eventmachine does not compile on mac m2 #1010

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eventmachine does not compile on mac m2#1010

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@texdade
texdade
opened on Oct 9, 2024

Hello, trying to help a colleague out here that is not able to install eventmachine on his laptop:

current directory: /Users/colleague/.rbenv/versions/3.3.5/lib/ruby/gems/3.3.0/gems/eventmachine-1.0.9.1/ext
/Users/colleague/.rbenv/versions/3.3.5/bin/ruby extconf.rb --with-opt-dir\=/opt/homebrew/opt/openssl@1.1
checking for pkg-config for openssl... ["-I/opt/homebrew/Cellar/openssl@1.1/1.1.1w/include ", "-L/opt/homebrew/Cellar/openssl@1.1/1.1.1w/lib", "-lssl -lcrypto"]
-----
Using OpenSSL from pkg-config -I/opt/homebrew/Cellar/openssl@1.1/1.1.1w/include  && -L/opt/homebrew/Cellar/openssl@1.1/1.1.1w/lib && -lssl -lcrypto
-----
checking for -lcrypto... yes
checking for -lssl... yes
checking for openssl/ssl.h... yes
checking for openssl/err.h... yes
checking for rb_trap_immediate in ruby.h,rubysig.h... no
checking for rb_thread_blocking_region()... no
checking for ruby/thread.h... yes
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes
checking for inotify_init() in sys/inotify.h... no
checking for __NR_inotify_init in sys/syscall.h... no
checking for writev() in sys/uio.h... yes
checking for rb_thread_fd_select()... yes
checking for rb_fdset_t in ruby/intern.h... yes
checking for pipe2() in unistd.h... no
checking for accept4() in sys/socket.h... no
checking for SOCK_CLOEXEC in sys/socket.h... no
checking for rb_wait_for_single_fd()... yes
checking for rb_enable_interrupt()... no
checking for rb_time_new()... yes
checking for sys/event.h... yes
checking for sys/queue.h... yes
checking for clock_gettime()... yes
checking for CLOCK_MONOTONIC_RAW in time.h... yes
checking for CLOCK_MONOTONIC in time.h... yes
CXXFLAGS=-fdeclspec
creating Makefile
current directory: /Users/colleague/.rbenv/versions/3.3.5/lib/ruby/gems/3.3.0/gems/eventmachine-1.0.9.1/ext
make DESTDIR\= sitearchdir\=./.gem.20241009-26955-cwtrvv sitelibdir\=./.gem.20241009-26955-cwtrvv clean
current directory: /Users/colleague/.rbenv/versions/3.3.5/lib/ruby/gems/3.3.0/gems/eventmachine-1.0.9.1/ext
make DESTDIR\= sitearchdir\=./.gem.20241009-26955-cwtrvv sitelibdir\=./.gem.20241009-26955-cwtrvv
compiling binder.cpp
make: *** [binder.o] Error 1
make failed, exit code 2

Openssl is configured correctly, but I cannot figure out what is wrong :\ This happens also with version 1.2.7

Activity

  1. jlntrt commented on Oct 21, 2024

    @jlntrt
    jlntrt
    on Oct 21, 2024

    I have the same issue on my M1 mac. It says fatal error: 'iostream' file not found. So I guess a dependency is missing?

    Full error output:

    Resolving dependencies...
Installing eventmachine 1.2.7 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/eventmachine-1.2.7/ext
/Users/<user>/.rbenv/versions/3.1.4/bin/ruby -I /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0 extconf.rb --with-cppflags\=-I/opt/homebrew/opt/openssl@3/include
-----
Using OpenSSL from pkg-config -I/opt/homebrew/Cellar/openssl@3/3.3.2/include  && -L/opt/homebrew/Cellar/openssl@3/3.3.2/lib && -lssl -lcrypto
-----
checking for -lcrypto... yes
checking for -lssl... yes
checking for openssl/ssl.h... yes
checking for openssl/err.h... yes
checking for rb_trap_immediate in ruby.h,rubysig.h... no
checking for rb_thread_blocking_region()... no
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes
checking for rb_thread_fd_select()... yes
checking for rb_fdset_t in ruby/intern.h... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_enable_interrupt()... no
checking for rb_time_new()... yes
checking for inotify_init() in sys/inotify.h... no
checking for __NR_inotify_init in sys/syscall.h... no
checking for writev() in sys/uio.h... yes
checking for pipe2() in unistd.h... no
checking for accept4() in sys/socket.h... no
checking for SOCK_CLOEXEC in sys/socket.h... no
checking for sys/event.h... yes
checking for sys/queue.h... yes
checking for clock_gettime()... yes
checking for CLOCK_MONOTONIC_RAW in time.h... yes
checking for CLOCK_MONOTONIC in time.h... yes
CXXFLAGS=-fdeclspec
creating Makefile

current directory: /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/eventmachine-1.2.7/ext
make DESTDIR\= sitearchdir\=./.gem.20241021-50627-5gf1q0 sitelibdir\=./.gem.20241021-50627-5gf1q0 clean

current directory: /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/eventmachine-1.2.7/ext
make DESTDIR\= sitearchdir\=./.gem.20241021-50627-5gf1q0 sitelibdir\=./.gem.20241021-50627-5gf1q0
compiling binder.cpp
In file included from binder.cpp:20:
./project.h:25:10: fatal error: 'iostream' file not found
   25 | #include <iostream>
      |          ^~~~~~~~~~
1 error generated.
make: *** [binder.o] Error 1

make failed, exit code 2

Gem files will remain installed in /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/eventmachine-1.2.7 for inspection.
Results logged to /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/extensions/arm64-darwin-23/3.1.0/eventmachine-1.2.7/gem_make.out

  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:102:in `run'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:51:in `block in make'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:43:in `each'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:43:in `make'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/ext_conf_builder.rb:42:in `build'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:171:in `build_extension'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:205:in `block in build_extensions'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:202:in `each'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/ext/builder.rb:202:in `build_extensions'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/3.1.0/rubygems/installer.rb:843:in `build_extensions'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/rubygems_gem_installer.rb:76:in `build_extensions'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/source/rubygems.rb:205:in `install'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/installer/gem_installer.rb:54:in `install'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/installer/parallel_installer.rb:132:in `do_install'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/installer/parallel_installer.rb:123:in `block in worker_pool'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/worker.rb:62:in `apply_func'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/worker.rb:57:in `block in process_queue'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/worker.rb:54:in `loop'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/worker.rb:54:in `process_queue'
  /Users/<user>/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0/gems/bundler-2.5.6/lib/bundler/worker.rb:90:in `block (2 levels) in create_threads'

An error occurred while installing eventmachine (1.2.7), and Bundler cannot continue.

In Gemfile:
  guard-livereload was resolved to 2.5.2, which depends on
    em-websocket was resolved to 0.5.3, which depends on
      eventmachine

  2. MSP-Greg commented on Oct 21, 2024

    @MSP-Greg
    MSP-Greg
    on Oct 21, 2024
    Contributor

    Is XCode installed?

    I just built both EM master and 1.2.7 using Ruby master. I use OpenSSL 3.3.2, but 1.1.1 should also work.

    I don't do much dev work on macOS. When I first tried to build/install EM, I also had failures. Looked at the GHA logs, and they referenced some XCode files. I don't think I've built any c++ gems that I recall, so I installed XCode, and rebuilt Ruby. EM then built/installed.

  3. jlntrt commented on Oct 22, 2024

    @jlntrt
    jlntrt
    on Oct 22, 2024

    @MSP-Greg Thank you for your answer. I have just installed and started Xcode so that everything is initialized. Unfortunately still no success installing eventmachine.

  4. jakehlee commented on Oct 22, 2024

    @jakehlee
    jakehlee
    on Oct 22, 2024

    First confirm that Xcode Command Line Tools are installed:

    % xcode-select -p

    If that doesn't return a path, you should run:

    % sudo xcode-select --install
% softwareupdate --all --install --force

    Also, I see that you're using Homebrew, so make sure that Homebrew was installed with CLT linked:

    % brew config
...
CLT: 16.0.0.0.1.1724870825

    If not, you may have to install CLT and reinstall Homebrew.

    If none of the above is the issue, then take a look at the thread I just responded to in #990.

  5. jlntrt commented on Oct 22, 2024

    @jlntrt
    jlntrt
    on Oct 22, 2024

    Thank you. I switched from rbenv to asdf. Now it works fine.

  6. hoblin commented on Oct 29, 2024

    @hoblin
    hoblin
    on Oct 29, 2024

    Same fatal error: 'iostream' file not found problem on Intel Mac with RVM and asdf

    ❯ gem install eventmachine
Building native extensions. This could take a while...
ERROR:  Error installing eventmachine:
	ERROR: Failed to build gem native extension.

    current directory: /Users/hoblin/.rvm/gems/ruby-2.7.8/gems/eventmachine-1.2.7/ext
/Users/hoblin/.rvm/rubies/ruby-2.7.8/bin/ruby -I /Users/hoblin/.rvm/rubies/ruby-2.7.8/lib/ruby/2.7.0 -r ./siteconf20241030-74511-1kyqcez.rb extconf.rb
checking for -lcrypto... yes
checking for -lssl... yes
checking for openssl/ssl.h... yes
checking for openssl/err.h... yes
checking for rb_trap_immediate in ruby.h,rubysig.h... no
checking for rb_thread_blocking_region()... no
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes
checking for rb_thread_fd_select()... yes
checking for rb_fdset_t in ruby/intern.h... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_enable_interrupt()... no
checking for rb_time_new()... yes
checking for inotify_init() in sys/inotify.h... no
checking for __NR_inotify_init in sys/syscall.h... no
checking for writev() in sys/uio.h... yes
checking for pipe2() in unistd.h... no
checking for accept4() in sys/socket.h... no
checking for SOCK_CLOEXEC in sys/socket.h... no
checking for sys/event.h... yes
checking for sys/queue.h... yes
checking for clock_gettime()... yes
checking for CLOCK_MONOTONIC_RAW in time.h... yes
checking for CLOCK_MONOTONIC in time.h... yes
CXXFLAGS=-g -O2 -Wall -Wextra -Wno-deprecated-declarations -Wno-ignored-qualifiers -Wno-unused-result -Wno-address
creating Makefile

current directory: /Users/hoblin/.rvm/gems/ruby-2.7.8/gems/eventmachine-1.2.7/ext
make "DESTDIR=" clean

current directory: /Users/hoblin/.rvm/gems/ruby-2.7.8/gems/eventmachine-1.2.7/ext
make "DESTDIR="
compiling binder.cpp
In file included from binder.cpp:20:
./project.h:25:10: fatal error: 'iostream' file not found
   25 | #include <iostream>
      |          ^~~~~~~~~~
1 error generated.
make: *** [binder.o] Error 1

make failed, exit code 2

Gem files will remain installed in /Users/hoblin/.rvm/gems/ruby-2.7.8/gems/eventmachine-1.2.7 for inspection.
Results logged to /Users/hoblin/.rvm/gems/ruby-2.7.8/extensions/x86_64-darwin-24/2.7.0/eventmachine-1.2.7/gem_make.out

    Tried with Ruby 2.7, 3.0, and 3.2.

  7. xinghengwang commented on Nov 15, 2024

    @xinghengwang
    xinghengwang
    on Nov 15, 2024

    I remememd you guys see this: #1009

  8. hoblin commented on Nov 16, 2024

    @hoblin
    hoblin
    on Nov 16, 2024

    I found out what the problem was in my case.
    After upgrading to the macOS Sequoia 15.1 newly installed Ruby was getting CXX=false.

    1. Check if your Ruby is affected:
    ruby -rmkmf -e 'puts RbConfig::CONFIG["CXX"]'

    If it shows false instead of clang++, you need to reinstall Command Line Tools:

    1. Fix:
    sudo rm -rf /Library/Developer/CommandLineTools
xcode-select --install
    1. After installation completes, reinstall Ruby using your version manager

  9. nevans commented on Nov 22, 2024

    @nevans
    nevans
    on Nov 22, 2024
    Contributor

    Perhaps someone could submit a PR that adds a check to the top of ext/extconf.rb. We ought to make sure that CONFIG["CXX"] is something sane, and abort with helpful instructions if we know it isn't. For example, something like this maybe?

    case CONFIG["CXX"]
when *known_good_cxx
when "false", nil
  abort <<~ERROR
    ******************************************************************************
    **** Ruby is not configured with a working C++ compiler.
    **** Please install one of #{known_good_cxx.join(", ")}.
    **** #{os_specific_prerequisite_instructions}
    **** You may need to rebuild ruby after installing a C++ compiler.
    ******************************************************************************
  ERROR
else
  warn <<~WARNING % [CONFIG["CXX"], known_good_cxx.join(", ")]
    **** Warning: Unknown whether CONFIG["CXX"] (%s) is a compatible C++ compiler.
    ****   If installation fails, you may need to install one of %s.
  WARNING
end

    What do y'all think? I can make the PR. (I'm linux only, so I'll need to steal my spouse's Macbook. 😉) But I'm unsure about reasonable defs for known_good_cxx and os_specific_prerequisite_instructions. (ping: @MSP-Greg) I can just leave those out

  10. tagliala commented on Dec 11, 2024

    @tagliala
    tagliala
    on Dec 11, 2024

    Thanks @hoblin, this helped me too on macOS Sequoia 15.1 and M1 Pro

    Before

    $ ruby -rmkmf -e 'puts RbConfig::CONFIG["CXX"]'
false

    After

    $ ruby -rmkmf -e 'puts RbConfig::CONFIG["CXX"]'
g++ -std=gnu++11

    And now eventmachine compiles (again)

  11. georgeu2000 commented on Jan 20, 2025

    @georgeu2000
    georgeu2000
    on Jan 20, 2025
    1. Check if your Ruby is affected:

    ruby -rmkmf -e 'puts RbConfig::CONFIG["CXX"]'
    If it shows false instead of clang++, you need to reinstall Command Line Tools:

    1. Fix:

    sudo rm -rf /Library/Developer/CommandLineTools
    xcode-select --install
    3. After installation completes, reinstall Ruby using your version manager

    @hoblin - This worked for me on M1 Max running Sequoia 15.1.1 and using rbenv. Thank you.

    Don't forget to reinstall Ruby using your version manager

    Then I got

    > ruby -rmkmf -e 'puts RbConfig::CONFIG["CXX"]'
clang++ -std=gnu++11

  12. emmahsax commented on Feb 13, 2025

    @emmahsax
    emmahsax
    on Feb 13, 2025

    I first ran into this issue when upgrading a project to Ruby 3.4.1. Now, after running the process discussed above, using rbenv, then eventmachine compiles again and I can run bundle install.

  13. aavina commented on Feb 19, 2025

    @aavina
    aavina
    on Feb 19, 2025

    Ditto here. I had Ruby 3.4.1 installed and I ran into the compilation issue after a MacOS upgrade. Following instructions did the trick. Thank you!

  14. gwholland3 commented on Mar 29, 2026

    @gwholland3
    gwholland3
    on Mar 29, 2026

    Here to say that in 2026, #1010 (comment) fixed the issue for me!

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