Bug #2145: MySQL gem fails to build
http://redmine.ruby-lang.org/issues/show/2145

Author: THUFIR HAWAT
Status: Open, Priority: Normal
Target version: Ruby 1.8.7
ruby -v: ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]

Apparently this is a ruby problem, as the same thing seems to effect OS X:


root@ARRAKIS:~# 
root@ARRAKIS:~# 
root@ARRAKIS:~# aptitude install ruby -y
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Reading extended state information      
Initializing package states... Done
The following NEW packages will be installed:
  ruby ruby1.8{a} 
0 packages upgraded, 2 newly installed, 0 to remove and 3 not upgraded.
Need to get 24.0kB/44.8kB of archives. After unpacking 242kB will be used.
Writing extended state information... Done
Get:1 http://archive.ubuntu.com jaunty-updates/main ruby1.8 1.8.7.72-3ubuntu0.1 [24.0kB]
Fetched 24.0kB in 1s (15.7kB/s)                     
Selecting previously deselected package ruby1.8.
(Reading database ... 139812 files and directories currently installed.)
Unpacking ruby1.8 (from .../ruby1.8_1.8.7.72-3ubuntu0.1_i386.deb) ...
Selecting previously deselected package ruby.
Unpacking ruby (from .../apt/archives/ruby_4.2_all.deb) ...
Processing triggers for man-db ...
Setting up ruby1.8 (1.8.7.72-3ubuntu0.1) ...
Setting up ruby (4.2) ...
Reading package lists... Done             
Building dependency tree       
Reading state information... Done
Reading extended state information       
Initializing package states... Done
Writing extended state information... Done

root@ARRAKIS:~# gem install mysql
The program 'gem' can be found in the following packages:
 * rubygems1.8
 * rubygems1.9
Try: apt-get install <selected package>
-su: gem: command not found
root@ARRAKIS:~# 
root@ARRAKIS:~# 
root@ARRAKIS:~# aptitude install rubygems
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Reading extended state information      
Initializing package states... Done
The following NEW packages will be installed:
  irb1.8{a} libreadline-ruby1.8{a} rdoc1.8{a} rubygems rubygems1.8{a} 
0 packages upgraded, 5 newly installed, 0 to remove and 3 not upgraded.
Need to get 386kB of archives. After unpacking 2105kB will be used.
Do you want to continue? [Y/n/?] y
Writing extended state information... Done
Get:1 http://archive.ubuntu.com jaunty-updates/universe libreadline-ruby1.8 1.8.7.72-3ubuntu0.1 [10.4kB]
Get:2 http://archive.ubuntu.com jaunty-updates/universe irb1.8 1.8.7.72-3ubuntu0.1 [79.1kB]
Get:3 http://archive.ubuntu.com jaunty-updates/universe rdoc1.8 1.8.7.72-3ubuntu0.1 [125kB]
Get:4 http://archive.ubuntu.com jaunty/universe rubygems1.8 1.3.1-1 [169kB]                                              
Get:5 http://archive.ubuntu.com jaunty/universe rubygems 1.3.1-1 [2712B]                                                 
Fetched 386kB in 13s (29.2kB/s)                                                                                          
Selecting previously deselected package libreadline-ruby1.8.
(Reading database ... 139849 files and directories currently installed.)
Unpacking libreadline-ruby1.8 (from .../libreadline-ruby1.8_1.8.7.72-3ubuntu0.1_i386.deb) ...
Selecting previously deselected package irb1.8.
Unpacking irb1.8 (from .../irb1.8_1.8.7.72-3ubuntu0.1_all.deb) ...
Selecting previously deselected package rdoc1.8.
Unpacking rdoc1.8 (from .../rdoc1.8_1.8.7.72-3ubuntu0.1_all.deb) ...
Selecting previously deselected package rubygems1.8.
Unpacking rubygems1.8 (from .../rubygems1.8_1.3.1-1_all.deb) ...
Selecting previously deselected package rubygems.
Unpacking rubygems (from .../rubygems_1.3.1-1_all.deb) ...
Processing triggers for man-db ...
Setting up libreadline-ruby1.8 (1.8.7.72-3ubuntu0.1) ...
Setting up irb1.8 (1.8.7.72-3ubuntu0.1) ...

Setting up rdoc1.8 (1.8.7.72-3ubuntu0.1) ...
Setting up rubygems1.8 (1.3.1-1) ...

Setting up rubygems (1.3.1-1) ...
Reading package lists... Done             
Building dependency tree       
Reading state information... Done
Reading extended state information       
Initializing package states... Done
Writing extended state information... Done

root@ARRAKIS:~# 
root@ARRAKIS:~# 
root@ARRAKIS:~# gem install mysql
Building native extensions.  This could take a while...
ERROR:  Error installing mysql:
	ERROR: Failed to build gem native extension.

/usr/bin/ruby1.8 extconf.rb install mysql
extconf.rb:10:in `require': no such file to load -- mkmf (LoadError)
	from extconf.rb:10


Gem files will remain installed in /var/lib/gems/1.8/gems/mysql-2.8.1 for inspection.
Results logged to /var/lib/gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
Updating ri class cache with 1156 classes...
root@ARRAKIS:~# 
root@ARRAKIS:~# 
root@ARRAKIS:~# cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.04
DISTRIB_CODENAME=jaunty
DISTRIB_DESCRIPTION="Ubuntu 9.04"
root@ARRAKIS:~# root@ARRAKIS:~# 
root@ARRAKIS:~# date
Sat Sep 26 09:34:51 PDT 2009
root@ARRAKIS:~# 
root@ARRAKIS:~# ruby -v
ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
root@ARRAKIS:~#


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