[vala] Define VALA_X_Y according to compiler version

[Jürg Billeter <juergbi src gnome org>]

commit 294b374af6e37cdac8ffb2b2db8fed72d323edb3
Author: Jürg Billeter <j bitron ch>
Date:   Wed Aug 4 19:57:07 2010 +0200

    Define VALA_X_Y according to compiler version

 compiler/valacompiler.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/compiler/valacompiler.vala b/compiler/valacompiler.vala
index f271c6f..97cca88 100644
--- a/compiler/valacompiler.vala
+++ b/compiler/valacompiler.vala
@@ -267,6 +267,10 @@ class Vala.Compiler {
 			}
 		}
 
+		for (int i = 2; i <= 10; i += 2) {
+			context.add_define ("VALA_0_%d".printf (i));
+		}
+
 		if (context.profile == Profile.POSIX) {
 			if (!nostdpkg) {
 				/* default package */