Add support for .build.ignores

build.rb

@@ -6,6 +6,8 @@ FLAGS="-g -MP -MD -Os"
 LDFLAGS = "-larchive"
 #FLAGS="-g -MP -MD"
 
+IGNORES = File.read(".build.ignores").strip.split("\n")
+
 def cxx( code_base, filename )
 	hash = Digest::SHA1.hexdigest(filename)[0,8]
 
@@ -82,7 +84,7 @@ files = %x( find "#{code_base}" -type f ).strip.split("\n").select {|f| /\.c$/ =
 %x( ar cr #{code_base}.a )
 
 files.each {|filename|
-	cxx( code_base, filename )
+	cxx( code_base, filename ) unless IGNORES.include?(filename)
 }
 system("gcc #{code_base}.a -g -o #{code_base}.bin -rdynamic #{LDFLAGS}")