diff --git a/.gitingore b/.gitingore
new file mode 100644
index 0000000..e660fd9
--- /dev/null
+++ b/.gitingore
@@ -0,0 +1 @@
+bin/
diff --git a/bin/echoserv b/bin/echoserv
new file mode 100755
index 0000000..9e5154b
Binary files /dev/null and b/bin/echoserv differ
diff --git a/bin/echoserv.dSYM/Contents/Info.plist b/bin/echoserv.dSYM/Contents/Info.plist
new file mode 100644
index 0000000..4531c23
--- /dev/null
+++ b/bin/echoserv.dSYM/Contents/Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleDevelopmentRegion</key>
+		<string>English</string>
+		<key>CFBundleIdentifier</key>
+		<string>com.apple.xcode.dsym.echoserv</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>dSYM</string>
+		<key>CFBundleSignature</key>
+		<string>????</string>
+		<key>CFBundleShortVersionString</key>
+		<string>1.0</string>
+		<key>CFBundleVersion</key>
+		<string>1</string>
+	</dict>
+</plist>
diff --git a/bin/echoserv.dSYM/Contents/Resources/DWARF/echoserv b/bin/echoserv.dSYM/Contents/Resources/DWARF/echoserv
new file mode 100644
index 0000000..be3f0c9
Binary files /dev/null and b/bin/echoserv.dSYM/Contents/Resources/DWARF/echoserv differ
diff --git a/example/build.py b/example/build.py
deleted file mode 100755
index 7a49e21..0000000
--- a/example/build.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/python2.7
-import os, sys
-
-COMPILER    = "gcc"
-SRC_DIR     = "../src"
-INCLUDE_DIR = "../src"
-BIN_DIR     = "../bin"
-BIN_NAME    = False
-CFLAGS      = ["-O3", "-Wall", "-Wextra", "--std=c89", "-pedantic"]
-DLIBS       = ["ws2_32"] if os.name == "nt" else []
-DEFINES     = []
-
-
-def strformat(fmt, var):
-  for k in var:
-    fmt = fmt.replace("{%s}" % str(k), var[k])
-  return fmt
-
-
-def listdir(path):
-  return [os.path.join(dp, f) for dp, dn, fn in os.walk(path) for f in fn]
-
-
-def main():
-  os.chdir(sys.path[0])
-
-  if len(sys.argv) < 2:
-    print "usage: build.py c_file"
-    sys.exit()
-
-  global BIN_NAME
-  if not BIN_NAME:
-    BIN_NAME = sys.argv[1].replace(".c", ".exe" if os.name == "nt" else "")
-
-  if not os.path.exists(BIN_DIR):
-    os.makedirs(BIN_DIR)
-
-  cfiles = filter(lambda x:x.endswith((".c", ".C")), listdir(SRC_DIR))
-  cfiles.append(sys.argv[1])
-
-  cmd = strformat(
-    "{compiler} {flags} {include} {def} -o {outfile} {srcfiles} {libs} {argv}",
-    {
-      "compiler"  : COMPILER,
-      "flags"     : " ".join(CFLAGS),
-      "include"   : "-I" + INCLUDE_DIR,
-      "def"       : " ".join(map(lambda x: "-D " + x, DEFINES)),
-      "outfile"   : BIN_DIR + "/" + BIN_NAME,
-      "srcfiles"  : " ".join(cfiles),
-      "libs"      : " ".join(map(lambda x: "-l" + x, DLIBS)),
-      "argv"      : " ".join(sys.argv[2:])
-    })
-
-  print "compiling..."
-  res = os.system(cmd)
-
-  if not res:
-    print(BIN_DIR + "/" + BIN_NAME)
-
-  print("done" + (" with errors" if res else ""))
-
-
-
-if __name__ == "__main__":
-  main()
diff --git a/example/build.rb b/example/build.rb
new file mode 100755
index 0000000..0141d5a
--- /dev/null
+++ b/example/build.rb
@@ -0,0 +1,60 @@
+#!/usr/local/bin/ruby
+
+require 'yaml'
+include Gem
+
+def command_format(cmd, var)
+  var.each_pair do |key, value|
+    cmd = cmd.gsub! "{#{key.to_s}}", value
+  end
+  return cmd
+end
+
+Dir.chdir __dir__
+
+data = File.read 'config.yml'
+config = YAML.load data, symbolize_names: true
+
+if ARGF.argv.count < 1
+  puts "Usage: build.rb [file]"
+  exit
+end
+
+program_ext = Platform.local.os == "mswin32" ? '.exe' : ''
+program_name = ARGF.argv[0].gsub '.c', program_ext
+
+unless Dir.exist? config[:bin]
+  Dir.mkdir config[:bin]
+end
+
+source_files = Dir.entries(config[:source]).select { |e| e.end_with?('.c', '.C') }
+source_files.map! {|e| "#{config[:source]}/#{e}"}
+source_files << ARGF.argv[0]
+
+libraries = config[:dlibs].select do |e|
+  e.keys.include?(Platform.local.os.to_sym)
+end
+
+unless libraries.empty?
+  common = config[:dlibs].select { |e| e.keys.include?(:common)}.first
+  libraries << common
+  libraries.map! { |e| e.values }.flatten!
+end
+
+command = command_format(
+  "{compiler} {flags} {include} -o {out} {source} {libs} {argv}",
+  {
+    compiler: config[:compiler],
+    flags:    config[:cflags].map \
+              { |e| !e.start_with?('-') ? e.prepend('-') : e }.join(' '),
+    include:  "-I#{config[:include]}",
+    out:      "#{config[:bin]}/#{program_name}",
+    source:   source_files.join(' '),
+    libs:     libraries.map {|e| "-l#{e}"}.join(' '),
+    argv:     ARGF.argv.count > 1 ? ARGF.argv[1..ARGF.argv.count].join(' ') : ""
+  }
+)
+
+puts "Compiling #{program_name}..."
+`#{command}`
+puts "Done"
diff --git a/example/config.yml b/example/config.yml
new file mode 100644
index 0000000..4bbf45a
--- /dev/null
+++ b/example/config.yml
@@ -0,0 +1,15 @@
+compiler: clang
+
+source:   ../src
+include:  ../src
+bin:      ../bin
+
+cflags:
+  - 'O1'
+  - Wall
+  - std=c99
+  - -g
+
+dlibs:
+  - mswin32:
+    - ws2_32