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comp.lang.ruby

Fail to install postgres gem

Damian Terentyev

2/3/2007 2:56:00 PM

Good day!
I have problems installing postgres gem.
It seems that gem cannot find my PostgreSQL installation.
Please tell me what options can I give to gem. Gem manual doesn't help.

I'm getting the following:

ERROR: While executing gem ... (Gem::Installer::ExtensionBuildError)
ERROR: Failed to build gem native extension.

ruby extconf.rb install postgres
checking for cygwin32_socket() in -lwsock32... no
checking for socket() in -lsocket... no
checking for gethostbyname() in -linet... no
checking for gethostbyname() in -lnsl... no
checking for sys/un.h... yes
checking for socket()... yes
checking for hsterror()... no
checking for gethostname()... yes
checking for PQsetdbLogin() in -lpq... no
*** 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/local/bin/ruby
--with-pgsql-dir
--without-pgsql-dir
--with-pgsql-include
--without-pgsql-include=${pgsql-dir}/include
--with-pgsql-lib
--without-pgsql-lib=${pgsql-dir}/lib
--with-wsock32lib
--without-wsock32lib
--with-socketlib
--without-socketlib
--with-inetlib
--without-inetlib
--with-nsllib
--without-nsllib
--with-pgsql-include-dir
--without-pgsql-include-dir
--with-pgsql-lib-dir
--without-pgsql-lib-dir
--with-pqlib
--without-pqlib
Could not find PostgreSQL libraries: Makefile not created


Gem files will remain installed in
/usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1 for inspection.
Results logged to
/usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1/gem_make.out

Yours sincerely,
Damian/Three-eyed Fish
5 Answers

Vladimir Konrad

2/3/2007 4:57:00 PM

0


i usually install this from source (not as a gem) - this way i can
specify where the postgresql header files and libraries live (i usually
also build the postgresql from source).

just download the source from http://ruby.scripting.ca... and
follow the instructions in README file.

hope this helps,

vlad

--
Posted via http://www.ruby-....

Tom Copeland

2/3/2007 5:01:00 PM

0

On Sat, 2007-02-03 at 23:55 +0900, Damian Terentyev wrote:
> Gem files will remain installed in
> /usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1 for inspection.

Hm, seems like it's not finding the PostgreSQL header and object files.
You can probably get it to work by moving into that directory
(/usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1) and running:

ruby extconf.rb --with-pgsql-include-dir=/path/to/pgsql/headers
--with-pgsql-lib-dir=/path/to/pgsql/shared_libs

and then run "make" and "make install".

Yours,

Tom

Damian Terentyev

2/3/2007 5:44:00 PM

0

On Feb 3, 2007, at 20:00, Tom Copeland wrote:

> On Sat, 2007-02-03 at 23:55 +0900, Damian Terentyev wrote:
>> Gem files will remain installed in
>> /usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1 for inspection.
>
> Hm, seems like it's not finding the PostgreSQL header and object files.
> You can probably get it to work by moving into that directory
> (/usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1) and running:
>
> ruby extconf.rb --with-pgsql-include-dir=/path/to/pgsql/headers
> --with-pgsql-lib-dir=/path/to/pgsql/shared_libs
>
> and then run "make" and "make install".
>
> Yours,
>
> Tom

Thank you so much!
Worked.

Yours sincerely,
Damian/Three-eyed Fish

George

2/3/2007 5:58:00 PM

0

On 2/4/07, Tom Copeland <tom@infoether.com> wrote:
> On Sat, 2007-02-03 at 23:55 +0900, Damian Terentyev wrote:
> > Gem files will remain installed in
> > /usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1 for inspection.
>
> Hm, seems like it's not finding the PostgreSQL header and object files.
> You can probably get it to work by moving into that directory
> (/usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1) and running:
>
> ruby extconf.rb --with-pgsql-include-dir=/path/to/pgsql/headers
> --with-pgsql-lib-dir=/path/to/pgsql/shared_libs
>
> and then run "make" and "make install".

You can also achieve the same thing in one step with gem by passing
the extconf args after '--':

gem install postgres -- --with-pgsql-include-dir=...

Tom Copeland

2/4/2007 2:38:00 AM

0

On Sun, 2007-02-04 at 02:43 +0900, Damian Terentyev wrote:
> > Hm, seems like it's not finding the PostgreSQL header and object files.
> > You can probably get it to work by moving into that directory
> > (/usr/local/lib/ruby/gems/1.8/gems/postgres-0.7.1) and running:
> >
> > ruby extconf.rb --with-pgsql-include-dir=/path/to/pgsql/headers
> > --with-pgsql-lib-dir=/path/to/pgsql/shared_libs
> >
> > and then run "make" and "make install".
> >
> > Yours,
> >
> > Tom
>
> Thank you so much!
> Worked.

Super! The same thing happened to me with the MySQL gem yesterday, so
it's fresh in my mind...

Yours,

tom