diff --git a/.gitignore b/.gitignore
index 9203c4b..33b3810 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.exe
 .rsconscache
 /out.txt
+/main
diff --git a/Rakefile.rb b/Rakefile.rb
index 128fd4c..db8e8ba 100644
--- a/Rakefile.rb
+++ b/Rakefile.rb
@@ -2,13 +2,17 @@ require "rscons"
 
 task :default do
   Rscons::Environment.new do |env|
-    env["CC"] = "i686-pc-mingw32-gcc"
-    env["CPPPATH"] += [
-      "C:/Ruby193/include/ruby-1.9.1",
-      "C:/Ruby193/include/ruby-1.9.1/i386-mingw32",
-    ]
-    env["LIBS"] += ["msvcrt-ruby191"]
-    env["LDFLAGS"] += ["-LC:/Ruby193/lib"]
+    if RUBY_PLATFORM =~ /cygwin/
+      env["CC"] = "i686-pc-mingw32-gcc"
+      env["CPPPATH"] += [
+        "C:/Ruby193/include/ruby-1.9.1",
+        "C:/Ruby193/include/ruby-1.9.1/i386-mingw32",
+      ]
+      env["LIBS"] += ["msvcrt-ruby191"]
+      env["LDFLAGS"] += ["-LC:/Ruby193/lib"]
+    else
+      env.parse_flags!("!pkg-config --cflags --libs ruby-1.9")
+    end
     env["CFLAGS"] += ["-Wall"]
     sources = Dir["*.c"]
     env.Program("main", sources)