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-rw-r--r--lib/rubygems/ext.rb1
-rw-r--r--lib/rubygems/ext/cmake_builder.rb14
-rw-r--r--lib/rubygems/installer.rb2
3 files changed, 17 insertions, 0 deletions
diff --git a/lib/rubygems/ext.rb b/lib/rubygems/ext.rb
index 97ee762a4a..b2bb09aad5 100644
--- a/lib/rubygems/ext.rb
+++ b/lib/rubygems/ext.rb
@@ -15,4 +15,5 @@ require 'rubygems/ext/builder'
require 'rubygems/ext/configure_builder'
require 'rubygems/ext/ext_conf_builder'
require 'rubygems/ext/rake_builder'
+require 'rubygems/ext/cmake_builder'
diff --git a/lib/rubygems/ext/cmake_builder.rb b/lib/rubygems/ext/cmake_builder.rb
new file mode 100644
index 0000000000..d6d106f4ae
--- /dev/null
+++ b/lib/rubygems/ext/cmake_builder.rb
@@ -0,0 +1,14 @@
+class Gem::Ext::CmakeBuilder < Gem::Ext::Builder
+ def self.build(extension, directory, dest_path, results)
+ unless File.exist?('Makefile') then
+ cmd = "cmake . -DCMAKE_INSTALL_PREFIX=#{dest_path}"
+ cmd << " #{Gem::Command.build_args.join ' '}" unless Gem::Command.build_args.empty?
+
+ run cmd, results
+ end
+
+ make dest_path, results
+
+ results
+ end
+end
diff --git a/lib/rubygems/installer.rb b/lib/rubygems/installer.rb
index 2b7c821727..6c2e6ce5a3 100644
--- a/lib/rubygems/installer.rb
+++ b/lib/rubygems/installer.rb
@@ -667,6 +667,8 @@ TEXT
when /rakefile/i, /mkrf_conf/i then
ran_rake = true
Gem::Ext::RakeBuilder
+ when /CMakeLists.txt/ then
+ Gem::Ext::CmakeBuilder
else
message = "No builder for extension '#{extension}'"
extension_build_error extension_dir, message