rails install pg – Impossible de trouver l’en-tête ‘libpq-fe.h

$ sudo bundle install 

Résultat

 Fetching gem metadata from https://rubygems.org/........... Fetching gem metadata from https://rubygems.org/.. Using rake (0.9.2.2) Using i18n (0.6.1) Using multi_json (1.3.6) Using activesupport (3.2.8) Using builder (3.0.4) Using activemodel (3.2.8) Using erbuy (2.7.0) Using journey (1.0.4) Using rack (1.4.1) Using rack-cache (1.2) Using rack-test (0.6.2) Using hike (1.2.1) Using tilt (1.3.3) Using sprockets (2.1.3) Using actionpack (3.2.8) Using mime-types (1.19) Using polyglot (0.3.3) Using treetop (1.4.11) Using mail (2.4.4) Using actionmailer (3.2.8) Using arel (3.0.2) Using tzinfo (0.3.33) Using activerecord (3.2.8) Using activeresource (3.2.8) Using bundler (1.2.1) Using coffee-script-source (1.4.0) Using execjs (1.4.0) Using coffee-script (2.2.0) Using rack-ssl (1.3.2) Using json (1.7.5) Using rdoc (3.12) Using thor (0.16.0) Using railties (3.2.8) Using coffee-rails (3.2.2) Using jquery-rails (2.1.3) Installing pg (0.14.1) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb checking for pg_config... yes Using config values from /usr/bin/pg_config You need to install postgresql-server-dev-XY for building a server-side extension or libpq-dev for building a client-side application. You need to install postgresql-server-dev-XY for building a server-side extension or libpq-dev for building a client-side application. checking for libpq-fe.h... no Can't find the 'libpq-fe.h header *** 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=/usr/bin/ruby1.8 --with-pg --without-pg --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-pg-config --without-pg-config --with-pg_config --without-pg_config Gem files will remain installed in /var/lib/gems/1.8/gems/pg-0.14.1 for inspection. Results logged to /var/lib/gems/1.8/gems/pg-0.14.1/ext/gem_make.out An error occurred while installing pg (0.14.1), and Bundler cannot continue. Make sure that `gem install pg -v '0.14.1'` succeeds before bundling. 

Je fais make $ gem install pg -v '0.14.1' Mais ce n’est pas une aide

Mon Gemfile

 source 'https://rubygems.org' #gem 'rails', '3.0.9' #gem 'sqlite3', '1.3.6', :group => :development gem 'rails', '3.2.8' # Bundle edge Rails instead: # gem 'rails', :git => 'git://github.com/rails/rails.git' gem 'sqlite3' gem 'pg' gem 'taps' gem 'json' # Gems used only for assets and not required # in production environments by default. group :assets do gem 'sass-rails', '~> 3.2.3' gem 'coffee-rails', '~> 3.2.1' # See https://github.com/sstephenson/execjs#readme for more supported runtimes # gem 'therubyracer', :platforms => :ruby gem 'uglifier', '>= 1.0.3' end gem 'jquery-rails' #group :production do #gem 'pg' #end #group :development do #gem 'sqlite3' #end 

gem_make.out

• ERREUR: Impossible de construire l’extension native gem sur Mavericks
• Postgresql adapter (pg): impossible de se connecter au serveur
• ActiveRecord :: StatementInvalid: PG InFailedSqlTransaction
• gem install pg –with-pg-config fonctionne, l’ensemble échoue
• Impossible d’installer pg gem dans Mavericks avec Postgres.app

 /usr/bin/ruby1.8 extconf.rb checking for pg_config... yes Using config values from /usr/bin/pg_config You need to install postgresql-server-dev-XY for building a server-side extension or libpq-dev for building a client-side application. You need to install postgresql-server-dev-XY for building a server-side extension or libpq-dev for building a client-side application. checking for libpq-fe.h... no Can't find the 'libpq-fe.h header *** 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=/usr/bin/ruby1.8 --with-pg --without-pg --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-pg-config --without-pg-config --with-pg_config --without-pg_config 

mkmf.log

 find_executable: checking for pg_config... -------------------- yes -------------------- find_header: checking for libpq-fe.h... -------------------- no "gcc -E -I. -I/usr/lib/ruby/1.8/i686-linux -I. -D_FORTIFY_SOURCE=2 -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -I -fno-ssortingct-aliasing -g -g -O2 -fPIC conftest.c -o conftest.i" conftest.c:1:22: fatal error: libpq-fe.h: No such file or directory compilation terminated. checked program was: /* begin */ 1: #include  /* end */ -------------------- 

Aide moi s’il te plait Je vous remercie.

Désolé pour ce texte. Votre message n’a pas beaucoup de contexte pour expliquer les sections de code; Veuillez expliquer votre scénario plus clairement.

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• Vous ne trouvez pas l’en-tête ‘libpq-fe.h lorsque vous essayez d’installer pg gem

 $ sudo apt-get install libpq-dev 

 sudo yum install libpqxx-devel 

 gem install pg -- --with-pg-config=***/path/to/pg_config*** 

 sudo apt-get install libpq-dev gem install pg 

 brew link --overwrite postgresql 

 $ pg_config | grep VERSION VERSION = PostgreSQL 9.4.9 

 $ sudo yum list postgresql* | grep devel postgresql92-devel.x86_64 9.2.18-1.59.amzn1 @amzn-main postgresql94-devel.x86_64 9.4.9-1.67.amzn1 @amzn-main postgresql8-devel.x86_64 8.4.20-5.52.amzn1 amzn-main postgresql93-devel.x86_64 9.3.14-1.62.amzn1 amzn-main postgresql95-devel.x86_64 9.5.4-1.71.amzn1 amzn-main 

 sudo yum install postgresql94-devel 

 sudo gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config