From: Ian Macdonald <ian@...>
Date: 2003-06-09T03:16:34+09:00
Subject: Re: Problem compiling mysql-ruby


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On Sun 08 Jun 2003 at 17:14:35 +0900, Markus Jais wrote:

> hello
> 
> I just downloaded mysql-ruby-2.4.4
> 
> and I can not compile it:
> 
> ruby extconf.rb --with-mysql-config
> checking for mysql.h... yes
> creating Makefile
> extconf.rb:33: uninitialized constant CPP (NameError)
> 
> 
> 
> I have ruby 
> ruby 1.8.0 (2003-03-03) [i686-linux]
> and MySQL 4.0.12 on RedHat 7.3

Try the attached patch to extconf.rb. It works for me.

Ian
-- 
Ian Macdonald               | A man who cannot seduce men cannot save
System Administrator        | them either.   -- Soren Kierkegaard 
ian@caliban.org             | 
http://www.caliban.org      | 
                            | 

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diff -uNr mysql-ruby-2.4.4.orig/extconf.rb mysql-ruby-2.4.4/extconf.rb
--- mysql-ruby-2.4.4.orig/extconf.rb	2003-01-28 15:59:59.000000000 -0800
+++ mysql-ruby-2.4.4/extconf.rb	2003-05-21 00:13:59.000000000 -0700
@@ -30,10 +30,12 @@
 File::open("conftest.c", "w") do |f|
   f.puts src
 end
+CPP = "#{CONFIG['CPP']} -E %s -I#{$hdrdir} %s %s conftest.c"
 cpp = Config::expand sprintf(CPP, $CPPFLAGS, $CFLAGS, '')
 unless system "#{cpp} > confout" then
   exit 1
 end
+
 File::unlink "conftest.c"
 
 error_syms = []

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