error de instalación de gema pg - lion osx, bundler y rvm

I have spent way too many hours trying to fix this.

I reformatted my computer - clean snow leopard, than immediate upgrade to lion.

Xcode 4.2.1 installed

RVM installed

As I setup my environment I finally got to bundle install, and it failed trying to create the PG gem.

I had installed postgresql using macports (wasn't aware its preinstalled in lion). Following instructions here: And ran into more errors trying to install the pg gem:

Installing pg (0.12.0) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/me/.rvm/rubies/ruby-1.8.7-p357/bin/ruby extconf.rb 
checking for pg_config... yes
Using config values from /usr/local/bin/pg_config
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:

Gem files will remain installed in /Users/me/.rvm/gems/ruby-1.8.7-p357/gems/pg-0.12.0 for inspection.
Results logged to /Users/me/.rvm/gems/ruby-1.8.7-p357/gems/pg-0.12.0/ext/gem_make.out
An error occured while installing pg (0.12.0), and Bundler cannot continue.
Make sure that `gem install pg -v '0.12.0'` succeeds before bundling.

I've searched stackoverflow nonstop, and pretty much tried everything.

I removed the macports version, and then decided to try installing with homebrew:

"brew install postgresql"

pg_config gives me:

BINDIR = /usr/local/Cellar/postgresql/9.1.2/bin
DOCDIR = /usr/local/Cellar/postgresql/9.1.2/share/doc/postgresql
HTMLDIR = /usr/local/Cellar/postgresql/9.1.2/share/doc/postgresql
INCLUDEDIR = /usr/local/Cellar/postgresql/9.1.2/include
PKGINCLUDEDIR = /usr/local/Cellar/postgresql/9.1.2/include
INCLUDEDIR-SERVER = /usr/local/Cellar/postgresql/9.1.2/include/server
LIBDIR = /usr/local/Cellar/postgresql/9.1.2/lib
PKGLIBDIR = /usr/local/Cellar/postgresql/9.1.2/lib
LOCALEDIR = /usr/local/Cellar/postgresql/9.1.2/share/locale
MANDIR = /usr/local/Cellar/postgresql/9.1.2/share/man
SHAREDIR = /usr/local/Cellar/postgresql/9.1.2/share/postgresql
SYSCONFDIR = /usr/local/Cellar/postgresql/9.1.2/etc
PGXS = /usr/local/Cellar/postgresql/9.1.2/lib/pgxs/src/makefiles/
CONFIGURE = '--disable-debug' '--prefix=/usr/local/Cellar/postgresql/9.1.2' '--enable-thread-safety' '--with-bonjour' '--with-gssapi' '--with-krb5' '--with-openssl' '--with-libxml' '--with-libxslt' '--with-python' '--with-perl' '--with-ossp-uuid' '--datadir=/usr/local/Cellar/postgresql/9.1.2/share/postgresql' '--docdir=/usr/local/Cellar/postgresql/9.1.2/share/doc/postgresql' 'ARCHFLAGS='''-arch x86_64'''' 'CC=/usr/bin/llvm-gcc' 'CFLAGS=-O3 -w -pipe -march=core2 -msse4.1 -I/opt/local/include/ossp' 'LDFLAGS=-L/usr/local/Cellar/readline/6.2.2/lib -L/opt/local/lib' 'LIBS=-luuid' 'CPPFLAGS=-I/usr/local/Cellar/readline/6.2.2/include -I/usr/include/libxml2'
CC = /usr/bin/llvm-gcc
CPPFLAGS = -I/usr/local/Cellar/readline/6.2.2/include -I/usr/include/libxml2 -I/opt/local/include/libxml2
CFLAGS = -O3 -w -pipe -march=core2 -msse4.1 -I/opt/local/include/ossp -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wformat-security -fno-strict-aliasing -fwrapv
LDFLAGS = -L/usr/local/Cellar/readline/6.2.2/lib -L/opt/local/lib -L/opt/local/lib -Wl,-dead_strip_dylibs
LIBS = -lpgport -lxslt -lxml2 -lssl -lcrypto -lgssapi_krb5 -lz -lreadline -lm -luuid
VERSION = PostgreSQL 9.1.2

I tried all of the export rvm_archflags="-arch x86_64" type solutions, but none seemed to make any difference.

Any ideas where I should begin?

preguntado el 01 de febrero de 12 a las 04:02

What was the homebrew error? what does it say when you do brew info postgres? -

Or you mean it installs correctly under brew but still won't build the gem extensions? -

2 Respuestas

I'm not familiar with Brew, but it looks like the pg_config you're invoking is not the one used to configure pg.

So, please try include /usr/local/Cellar/postgresql/9.1.2/bin (expect to have pg_config there) to the path and retry.

Actually, the output says "Using config values from /usr/local/bin/pg_config" it should be the pg_config in the Brew's path. I guess it's in /usr/local/Cellar/postgresql/9.1.2/bin .

Respondido 01 Feb 12, 08:02

Esto podría ayudar:

It does for Linux anyways.

Respondido 18 Feb 12, 05:02

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