From: "Noé Alejandro" <lists@...>
Date: 2012-06-04T06:14:46+09:00
Subject: Problems installing bson_ext

Hello everybody.

 I've been found plenty of information related to this problem, but I
can't solve mine. When I try to install bson_ext I get this (details of
my
configuration are below):

 $ sudo gem install bson_ext
 Building native extensions. This could take a while...
 ERROR: Error installing bson_ext:
 ERROR: Failed to build gem native extension.

 /usr/bin/ruby1.9.1 extconf.rb
 checking for asprintf()... *** 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/ruby1.9.1
 /usr/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to
generate an executable file. (RuntimeError)
 You have to install development tools first.
 from /usr/lib/ruby/1.9.1/mkmf.rb:461:in `try_link0'
 from /usr/lib/ruby/1.9.1/mkmf.rb:476:in `try_link'
 from /usr/lib/ruby/1.9.1/mkmf.rb:619:in `try_func'
 from /usr/lib/ruby/1.9.1/mkmf.rb:894:in `block in have_func'
 from /usr/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
 from /usr/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
 from /usr/lib/ruby/1.9.1/mkmf.rb:254:in `open'
 from /usr/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
 from /usr/lib/ruby/1.9.1/mkmf.rb:254:in `open'
 from /usr/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
 from /usr/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
 from /usr/lib/ruby/1.9.1/mkmf.rb:893:in `have_func'
 from extconf.rb:3:in `<main>'


 Gem files will remain installed in
/usr/lib/ruby/gems/1.9.1/gems/bson_ext-1.6.2 for inspection.
 Results logged to
/usr/lib/ruby/gems/1.9.1/gems/bson_ext-1.6.2/ext/cbson/gem_make.out


 ------------------------------

 My current configuration is:

 $ which ruby
 /usr/bin/ruby

 $ whereis ruby
 ruby: /usr/bin/ruby /usr/bin/ruby1.8 /usr/lib/ruby /usr/bin/X11/ruby
/usr/bin/X11/ruby1.8 /usr/share/man/man1/ruby.1.gz

 $ ruby -v
 ruby 1.9.3p0 (2011-10-30 revision 33570) [i686-linux]

 $ gem list
 *** LOCAL GEMS ***

 bson (1.6.2)
 bundle (0.0.1)
 bundler (1.1.4)
 libv8 (3.10.8.0)
 mongo (1.6.2)

 $ ls -l /usr/bin/ruby*
 lrwxrwxrwx 1 root root 9 may 29 18:40 /usr/bin/ruby -> ruby1.9.1
 -rwxr-xr-x 1 root root 5504 mar 3 09:21 /usr/bin/ruby1.8
 -rwxr-xr-x 1 root root 5516 dic 2 2011 /usr/bin/ruby1.9.1

 $ ls -l /usr/bin/gem*
 lrwxrwxrwx 1 root root 8 may 29 18:40 /usr/bin/gem -> gem1.9.1
 -rwxr-xr-x 1 root root 888 jun 3 10:54 /usr/bin/gem1.9.1


 And I have installed ruby-dev. I will appreciate any suggestion. Thanks
in advance.

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