Problem installing Apple Silicon M1

[Tim]

Hello.

I'm with difficulty to install pg gem in my new MacBook Pro M1 (Apple Silicon).

I installed postgresql with homebrew and it's running successfully.

But when I try to install the pg gem I get this error:

Building native extensions. This could take a while...

ERROR:  Error installing pg:

ERROR: Failed to build gem native extension.

    current directory: /Users/tim/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/pg-1.2.3/ext

/Users/tim/.rbenv/versions/2.7.1/bin/ruby -I /Users/tim/.rbenv/versions/2.7.1/lib/ruby/2.7.0 -r ./siteconf20210104-15657-13x7wqv.rb extconf.rb

checking for pg_config... yes

Using config values from /opt/homebrew/opt/libpq/bin/pg_config

checking for libpq-fe.h... yes

checking for libpq/libpq-fs.h... yes

checking for pg_config_manual.h... yes

checking for PQconnectdb() in -lpq... no

checking for PQconnectdb() in -llibpq... no

checking for PQconnectdb() in -lms/libpq... no

Can't find the PostgreSQL client library (libpq)

*** extconf.rb failed ***

Could not create Makefile due to some reason, probably lack of necessary

libraries and/or headers.  Check the mkmf.log file for more details.  You may

need configuration options.

Provided configuration options:

--with-opt-dir

--without-opt-dir

--with-opt-include

--without-opt-include=${opt-dir}/include

--with-opt-lib

--without-opt-lib=${opt-dir}/lib

--with-make-prog

--without-make-prog

--srcdir=.

--curdir

--ruby=/Users/tim/.rbenv/versions/2.7.1/bin/$(RUBY_BASE_NAME)

--with-pg

--without-pg

--enable-windows-cross

--disable-windows-cross

--with-pg-config

--without-pg-config

--with-pg_config

--without-pg_config

--with-pg-dir

--without-pg-dir

--with-pg-include=${pg-dir}/include

--with-pg-lib

--without-pg-lib=${pg-dir}/lib

--with-pq-dir

--without-pq-dir

--with-pq-include

--without-pq-include=${pq-dir}/include

--with-pq-lib

--without-pq-lib=${pq-dir}/lib

--with-pqlib

--without-pqlib

--with-libpq-dir

--without-libpq-dir

--with-libpq-include

--without-libpq-include=${libpq-dir}/include

--with-libpq-lib

--without-libpq-lib=${libpq-dir}/lib

--with-libpqlib

--without-libpqlib

--with-ms/libpq-dir

--without-ms/libpq-dir

--with-ms/libpq-include

--without-ms/libpq-include=${ms/libpq-dir}/include

--with-ms/libpq-lib

--without-ms/libpq-lib=${ms/libpq-dir}/lib

--with-ms/libpqlib

--without-ms/libpqlib

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /Users/tim/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/extensions/x86_64-darwin-20/2.7.0/pg-1.2.3/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /Users/tim/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/pg-1.2.3 for inspection.

Results logged to /Users/tim/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/extensions/x86_64-darwin-20/2.7.0/pg-1.2.3/gem_make.out

--

I also tried to run with the following command:

gem install pg -- --with-pg-config=/opt/homebrew/opt/postgresql/bin/pg_config

What's wrong? Thanks

[Tim]

I was able to install it by running the terminal with Rosetta 2 like so:

  Duplicate Terminal app

  Rename to "Terminal Rosetta"

  Right click > Get info > Check "Open using Rosetta"

  Run the following commands in this Terminal version

Then, I installed homebrew, postgresql@11, rbenv and ruby 2.7.1, and everything worked fine.

I also did the following:

  sudo rm -rf /Library/Developer/CommandLineTools

  xcode-select --install

  softwareupdate --install-rosetta

I hope this helps.

Thanks

[Cody Cutrer]

Using Rosetta is a bit of a copout when a developer is trying to natively develop on an M1 Mac. That said, I had no problem installing pg under arm64 doing this:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

echo export PATH=$PATH:/opt/homebrew/bin >> ~/.zshrc

<restart shell>

brew install chruby

brew install ruby-install

ruby-install ruby 2.7.2

<restart shell>

chruby ruby-2.7.2

brew install postgresql@13

gem install pg

Note that I tried earlier before homebrew had bottles for arm64, and it had problems. So it may be recently fixed.

Cody Cutrer

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[Sol Martínez]

Thanks a lot cody! After a lot of unsuccessful searches, this worked for me!

[Michael Huey]

Obviously you solved.

But much easier for me was simply running: 
`bundle config build.pg --with-pg-config=/opt/homebrew/opt/libpq/bin/pg_config`

then: 
`brew services restart postgresql@13`