uruu-github
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このエラーは、pg gemをインストールする際に、PostgreSQLのクライアントライブラリ（libpq）が見つからないために発生しています。pg gemはPostgreSQLのクライアントライブラリに依存しているため、このライブラリがシステムに適切にインストールされていない場合、ビルドが失敗します。
原因： エラーメッセージにある「Can't find the PostgreSQL client library (libpq)」は、PostgreSQLのクライアントライブラリが見つからないことを示しています。pg gemをビルドする際に、このライブラリが必要です。 macOSの場合、PostgreSQLは通常Homebrewを使ってインストールされますが、インストール後に環境変数の設定が必要な場合があります。 解決方法： PostgreSQLのクライアントライブラリをインストール:
brew install libpq libpqへのパスを通す: libpqは通常デフォルトのライブラリパスにインストールされないため、pg_configへのパスを手動で設定する必要があります。以下のコマンドを実行し、libpqを使えるようにします。
brew link --force libpq 再度pg gemをインストール: もし上記のコマンドで解決しない場合、以下のように、pg_configのパスを指定してpg gemをインストールします。
gem install pg -- --with-pg-config=/opt/homebrew/bin/pg_config これで、pg gemが正しくインストールされるはずです。再度bundle installを実行してみてください。
gem 'pg', '>= 0.18', '< 2.0' 上記をGemfileに記述していますが、下記エラーが出ています。解決方法と原因はなにですか。 bundle install Fetching gem metadata from https://rubygems.org/......... Resolving dependencies... Using rake 13.2.1 Using base64 0.2.0 Using bigdecimal 3.1.8 Using concurrent-ruby 1.3.4 Using erubi 1.13.0 Using drb 2.2.1 Using logger 1.6.0 Using useragent 0.16.10 Using nio4r 2.7.3 Using websocket-extensions 0.1.5 Using zeitwerk 2.6.17 Using timeout 0.4.1 Using marcel 1.0.4 Using mini_mime 1.1.5 Using date 3.3.4 Using public_suffix 6.0.1 Using ast 2.4.2 Using aws-eventstream 1.3.0 Using aws-partitions 1.976.0 Using rack 3.1.7 Using minitest 5.25.1 Using rouge 4.3.0 Using bindex 0.8.1 Using debug_inspector 1.2.0 Using msgpack 1.7.2 Using bundler 2.3.27 Using byebug 11.1.3 Using matrix 0.4.2 Using regexp_parser 2.9.2 Using coderay 1.1.3 Using stringio 3.1.1 Using io-console 0.7.2 Using orm_adapter 0.5.0 Using webrick 1.8.1 Using thor 1.3.1 Using dotenv 3.1.2 Using erubis 2.7.0 Using temple 0.10.3 Using tilt 2.4.0 Using sexp_processor 4.17.2 Using error_highlight 0.6.0 Using ffi 1.17.0 (x86_64-darwin) Using json 2.7.2 Using language_server-protocol 3.17.0.3 Using method_source 1.1.0 Using parallel 1.26.3 Using bcrypt 3.1.20 Using securerandom 0.3.1 Using strscan 3.1.0 Using ruby-progressbar 1.13.0 Using unicode-display_width 2.5.0 Using builder 3.3.0 Using websocket 1.2.11 Using i18n 1.14.5 Using tzinfo 2.0.6 Using websocket-driver 0.7.6 Using net-protocol 0.2.2 Using addressable 2.8.7 Using aws-sigv4 1.9.1 Using puma 6.4.2 Using rack-session 2.0.0 Using rack-test 2.1.0 Using connection_pool 2.4.1 Using binding_of_caller 1.0.1 Using bootsnap 1.18.4 Using psych 5.1.2 Using reline 0.5.9 Using rackup 2.1.0 Using warden 1.2.9 Using haml 6.3.0 Using hamlit 3.0.3 Using pry 0.14.2 Using sassc 2.4.0 Using sprockets 4.2.1 Using net-imap 0.4.14 Using net-pop 0.1.2 Using net-smtp 0.5.0 Using better_errors 2.10.1 Using racc 1.8.1 Using faker 3.4.2 Using rexml 3.3.6 Using activesupport 7.2.1 Using rdoc 6.7.0 Using pry-byebug 3.10.1 Using redis-client 0.22.2 Using mail 2.8.1 Using crass 1.0.6 Using jmespath 1.6.2 Using rainbow 3.1.1 Using rubyzip 2.3.2 Using nokogiri 1.16.7 (x86_64-darwin) Using globalid 1.2.1 Using activemodel 7.2.1 Using aws-sdk-core 3.205.0 Using brakeman 6.2.1 Using irb 1.14.0 Using ruby_parser 3.21.1 Using parser 3.3.4.2 Using redis 5.3.0 Using rails-dom-testing 2.2.0 Using loofah 2.22.0 Using activejob 7.2.1 Using activerecord 7.2.1 Using aws-sdk-kms 1.91.0 Using xpath 3.2.0 Using debug 1.9.2 Using html2haml 2.3.0 Using rubocop-ast 1.32.1 Using selenium-webdriver 4.23.0 Using annotate 3.2.0 Using aws-sdk-s3 1.162.0 Using capybara 3.40.0 Using erb2haml 0.1.5 Using rubocop 1.65.1 Using rails-html-sanitizer 1.6.0 Using actionview 7.2.1 Using actionpack 7.2.1 Using jbuilder 2.12.0 Using sprockets-rails 3.5.2 Using actioncable 7.2.1 Using activestorage 7.2.1 Using actionmailer 7.2.1 Using railties 7.2.1 Using actionmailbox 7.2.1 Using responders 3.1.1 Using dotenv-rails 3.1.2 Using web-console 4.2.1 Using sassc-rails 2.1.2 Using stimulus-rails 1.3.4 Using actiontext 7.2.1 Using turbo-rails 2.0.6 Using importmap-rails 2.0.1 Using devise 4.9.4 Using rails 7.2.1 Installing pg 1.5.8 with native extensions Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
/Users/ayumu/.rbenv/versions/3.1.6/bin/ruby extconf.rb Calling libpq with GVL unlocked checking for pg_config... yes Using config values from /opt/homebrew/bin/pg_config checking for whether -Wl,-rpath,/opt/homebrew/opt/libpq/lib is accepted as LDFLAGS... yes Using libpq from /opt/homebrew/opt/libpq/lib 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)
Unable to find PostgreSQL client library.
Please install libpq or postgresql client package like so: brew install libpq
or try again with: gem install pg -- --with-pg-config=/path/to/pg_config
or set library paths manually with: gem install pg -- --with-pg-include=/path/to/libpq-fe.h/ --with-pg-lib=/path/to/libpq.so/
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/ayumu/.rbenv/versions/3.1.6/bin/$(RUBY_BASE_NAME) --with-pg --without-pg --enable-gvl-unlock --disable-gvl-unlock --enable-windows-cross --disable-windows-cross --with-pg-config --without-pg-config --with-pg_config --without-pg_config --with-pg-dir --without-pg-dir --with-pg-include --without-pg-include=${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/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/extensions/x86_64-darwin-23/3.1.0/pg-1.5.8/mkmf.log
extconf failed, exit code 1
Gem files will remain installed in /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/pg-1.5.8 for inspection. Results logged to /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/extensions/x86_64-darwin-23/3.1.0/pg-1.5.8/gem_make.out
/Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/ext/builder.rb:125:in run' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/ext/ext_conf_builder.rb:28:in build' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/ext/builder.rb:193:in build_extension' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/ext/builder.rb:227:in block in build_extensions' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/ext/builder.rb:224:in each' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/ext/builder.rb:224:in build_extensions' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/site_ruby/3.1.0/rubygems/installer.rb:853:in build_extensions' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/rubygems_gem_installer.rb:72:in build_extensions' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/rubygems_gem_installer.rb:28:in install' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/source/rubygems.rb:207:in install' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/installer/gem_installer.rb:54:in install' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/installer/gem_installer.rb:16:in install_from_spec' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/installer/parallel_installer.rb:186:in do_install' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/installer/parallel_installer.rb:177:in block in worker_pool' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/worker.rb:62:in apply_func' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/worker.rb:57:in block in process_queue' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/worker.rb:54:in loop' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/worker.rb:54:in process_queue' /Users/ayumu/.rbenv/versions/3.1.6/lib/ruby/gems/3.1.0/gems/bundler-2.3.27/lib/bundler/worker.rb:91:in block (2 levels) in create_threads'
An error occurred while installing pg (1.5.8), and Bundler cannot continue.
In Gemfile: pg