问题
I\'m attempting to run bundle in my Rails project on OSX 10.9. It fails when getting to the pg gem with this error:
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb
checking for pg_config... no
No pg_config... trying anyway. If building fails, please try again with
--with-pg-config=/path/to/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... yes
checking for PQconnectionUsedPassword()... yes
checking for PQisthreadsafe()... yes
checking for PQprepare()... yes
checking for PQexecParams()... yes
checking for PQescapeString()... yes
checking for PQescapeStringConn()... yes
checking for PQescapeLiteral()... yes
checking for PQescapeIdentifier()... yes
checking for PQgetCancel()... yes
checking for lo_create()... yes
checking for pg_encoding_to_char()... yes
checking for pg_char_to_encoding()... yes
checking for PQsetClientEncoding()... yes
checking for PQlibVersion()... yes
checking for PQping()... yes
checking for PQsetSingleRowMode()... yes
checking for rb_encdb_alias()... yes
checking for rb_enc_alias()... no
checking for rb_thread_call_without_gvl()... yes
checking for rb_thread_call_with_gvl()... yes
checking for rb_thread_fd_select()... yes
checking for rb_w32_wrap_io_handle()... no
checking for PGRES_COPY_BOTH in libpq-fe.h... no
checking for PGRES_SINGLE_TUPLE in libpq-fe.h... no
checking for PG_DIAG_TABLE_NAME in libpq-fe.h... no
checking for struct pgNotify.extra in libpq-fe.h... yes
checking for unistd.h... yes
checking for ruby/st.h... yes
creating extconf.h
creating Makefile
make \"DESTDIR=\"
compiling gvl_wrappers.c
clang: warning: argument unused during compilation: \'-fno-fast-math\'
compiling pg.c
clang: warning: argument unused during compilation: \'-fno-fast-math\'
pg.c:272:9: warning: implicit declaration of function \'PQlibVersion\' is invalid in C99 [-Wimplicit-function-declaration]
return INT2NUM(PQlibVersion());
^
In file included from pg.c:48:
In file included from ./pg.h:17:
In file included from /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/include/ruby-2.0.0/ruby.h:33:
/Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:1167:21: note: instantiated from:
# define INT2NUM(v) INT2FIX((int)(v))
^
pg.c:272:9: note: instantiated from:
return INT2NUM(PQlibVersion());
^
pg.c:272:17: note: instantiated from:
return INT2NUM(PQlibVersion());
^
pg.c:375:48: error: use of undeclared identifier \'PQPING_OK\'
rb_define_const(rb_mPGconstants, \"PQPING_OK\", INT2FIX(PQPING_OK));
^
pg.c:375:56: note: instantiated from:
rb_define_const(rb_mPGconstants, \"PQPING_OK\", INT2FIX(PQPING_OK));
^
pg.c:377:52: error: use of undeclared identifier \'PQPING_REJECT\'
rb_define_const(rb_mPGconstants, \"PQPING_REJECT\", INT2FIX(PQPING_REJECT));
^
pg.c:377:60: note: instantiated from:
rb_define_const(rb_mPGconstants, \"PQPING_REJECT\", INT2FIX(PQPING_REJECT));
^
pg.c:379:57: error: use of undeclared identifier \'PQPING_NO_RESPONSE\'
rb_define_const(rb_mPGconstants, \"PQPING_NO_RESPONSE\", INT2FIX(PQPING_NO_RESPONSE));
^
pg.c:379:65: note: instantiated from:
rb_define_const(rb_mPGconstants, \"PQPING_NO_RESPONSE\", INT2FIX(PQPING_NO_RESPONSE));
^
pg.c:381:56: error: use of undeclared identifier \'PQPING_NO_ATTEMPT\'
rb_define_const(rb_mPGconstants, \"PQPING_NO_ATTEMPT\", INT2FIX(PQPING_NO_ATTEMPT));
^
pg.c:381:64: note: instantiated from:
rb_define_const(rb_mPGconstants, \"PQPING_NO_ATTEMPT\", INT2FIX(PQPING_NO_ATTEMPT));
^
1 warning and 4 errors generated.
make: *** [pg.o] Error 1
Gem files will remain installed in /Users/kyledecot/.rvm/gems/ruby-2.0.0-p247@skateboxes/gems/pg-0.17.0 for inspection.
Results logged to /Users/kyledecot/.rvm/gems/ruby-2.0.0-p247@skateboxes/gems/pg-0.17.0/ext/gem_make.out
An error occurred while installing pg (0.17.0), and Bundler cannot continue.
Make sure that `gem install pg -v \'0.17.0\'` succeeds before bundling.
回答1:
Also make sure that you've upgraded Xcode to re-install command line tools on Mavericks. In terminal type:
xcode-select --install
Then follow the prompts.
回答2:
For me it worked when I did:
brew install postgresql
回答3:
this worked for me with Mavericks and the Postgresapp:
gem install pg -v '0.17.0' -- --with-pg-config=/Applications/Postgres93.app/Contents/MacOS/bin/pg_config
回答4:
Try using the --with-pg-config argument:
bundle config build.pg --with-pg-config=/usr/pgsql-9.1/bin/pg_config
To show the path of the pg_config:
which pg_config
For Ubuntu users:
sudo apt-get install postgresql
sudo apt-get install libpq-dev
Then:
bundle install
回答5:
For me using Mavericks, Rails 3.2.13, Ruby 2.0.0-p247, PostgreSQL 9.1, I needed todo this:
gem install pg -v '0.15.1' -- --with-pg-config=/Library/PostgreSQL/9.1/bin/pg_config
回答6:
I've just got it running by doing
ARCHFLAGS="-arch x86_64" gem install pg
after installing posgres using brew
回答7:
This worked for me on Mac OS X 10.9.3 and Postgres.app version 9.3.4.2:
1) Install Postgres.app
2) bundle config build.pg --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.3/bin/pg_config
3) gem install pg -v '0.17.1'
4) bundle install
回答8:
When i try to install
apt-get install libpq-dev
Failed to install, unmet dependencies problem, to solve
apt-get remove libpq5
then install
apt-get install libpq-dev
Finally solved the gem pg issue.
回答9:
The following worked for me:
gem install pg -v '0.18.1' -- --with-pg config=/Library/PostgreSQL/9.3/bin/pg_config
回答10:
You have to configure pg with your current version I used mine 9.4 version on Yosemite. Here is the following command
bundle config build.pg --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config
You should use your own version
bundle config build.pg --with-pg-config=/Applications/Postgres.app/Contents/Versions/(YOUR POSTGRES VERSION)/bin/pg_config
then do
bundle install
回答11:
An error occurred while installing debugger (1.6.5), and Bundler cannot continue.
Make sure that `gem install debugger -v '1.6.5'` succeeds before bundling.
I was able to fix this error by rolling back to Ruby v2.0.0. I was running Ruby 2.1.1, which is not supported for this debugger version. Be sure to check your ruby version if you run into this issue as well.
来源：https://stackoverflow.com/questions/19569031/error-failed-to-build-gem-native-extension-on-mavericks