Redo build system to properly use autotools and avoid compilation with apxs util.

tests/tfn/cssDecode.t

@@ -0,0 +1,58 @@
+### Empty
+{
+	type => "tfn",
+	name => "cssDecode",
+	input => "",
+	output => "",
+	ret => 0,
+},
+
+### Nothing
+{
+	type => "tfn",
+	name => "cssDecode",
+	input => "TestCase",
+	output => "TestCase",
+	ret => 0,
+},
+{
+	type => "tfn",
+	name => "cssDecode",
+	input => "Test\0Case",
+	output => "Test\0Case",
+	ret => 0,
+},
+
+### Valid Sequences
+{
+	type => "tfn",
+	name => "cssDecode",
+	input => "test\\a\\b\\f\\n\\r\\t\\v\\?\\'\\\"\\0\\12\\123\\1234\\12345\\123456\\ff01\\ff5e\\\n\\0  string",
+	output => qq(test\x0a\x0b\x0fnrtv?'"\x00\x12\x23\x34\x45\x56\x21\x7e\x00 string),
+	ret => 1,
+},
+
+### Invalid Sequences
+# Trailing escape == line continuation with no line following (ie nothing)
+{
+	type => "tfn",
+	name => "cssDecode",
+	input => "test\\",
+	output => "test",
+	ret => 1,
+},
+
+# Edge cases
+#  "\1A" == "\x1A"
+#  "\1 A" == "\x01A"
+#  "\1234567" == "\x567"
+#  "\123456 7" == "\x567"
+#  "\1x" == "\x01x"
+#  "\1 x" == "\x01 x"
+{
+	type => "tfn",
+	name => "cssDecode",
+	input => "\\1A\\1 A\\1234567\\123456 7\\1x\\1 x",
+	output => "\x1A\x01A\x567\x567\x01x\x01x",
+	ret => 1,
+},