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begin
gem 'rake-compiler', '~>0.7'
require 'rake/clean'
require 'rake/extensioncompiler'
# download mysql library and headers
directory "vendor"
# only on Windows or cross platform compilation
def dlltool(dllname, deffile, libfile)
# define if we are using GCC or not
if Rake::ExtensionCompiler.mingw_gcc_executable then
dir = File.dirname(Rake::ExtensionCompiler.mingw_gcc_executable)
tool = case RUBY_PLATFORM
when /mingw/
File.join(dir, 'dlltool.exe')
when /linux|darwin/
File.join(dir, "#{Rake::ExtensionCompiler.mingw_host}-dlltool")
end
return "#{tool} --dllname #{dllname} --def #{deffile} --output-lib #{libfile}"
else
if RUBY_PLATFORM =~ /mswin/ then
tool = 'lib.exe'
else
fail "Unsupported platform for cross-compilation (please, contribute some patches)."
end
return "#{tool} /DEF:#{deffile} /OUT:#{libfile}"
end
end
file "vendor/mysql-noinstall-#{BINARY_VERSION}-win32.zip" => ['vendor'] do |t|
base_version = BINARY_VERSION.gsub(/\.[0-9]+$/, '')
url = "http://mysql.proserve.nl/Downloads/MySQL-#{base_version}/#{File.basename(t.name)}"
when_writing "downloading #{t.name}" do
cd File.dirname(t.name) do
sh "wget -c #{url} || curl -L -C - -O #{url}"
end
end
end
file "vendor/mysql-#{BINARY_VERSION}-win32/include/mysql.h" => ["vendor/mysql-noinstall-#{BINARY_VERSION}-win32.zip"] do |t|
full_file = File.expand_path(t.prerequisites.last)
when_writing "creating #{t.name}" do
cd "vendor" do
sh "unzip #{full_file} mysql-#{BINARY_VERSION}-win32/bin/** mysql-#{BINARY_VERSION}-win32/include/** mysql-#{BINARY_VERSION}-win32/lib/**"
end
# update file timestamp to avoid Rake perform this extraction again.
touch t.name
end
end
# clobber vendored packages
CLOBBER.include('vendor')
# vendor:mysql
task 'vendor:mysql' => ["vendor/mysql-#{BINARY_VERSION}-win32/include/mysql.h"]
# hook into cross compilation vendored mysql dependency
if RUBY_PLATFORM =~ /mingw|mswin/ then
Rake::Task['compile'].prerequisites.unshift 'vendor:mysql'
else
if Rake::Task.tasks.map {|t| t.name }.include? 'cross'
Rake::Task['cross'].prerequisites.unshift 'vendor:mysql'
end
end
rescue LoadError
end
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