From 7dc09ed4501d0a7b256a05e6467cd86a262367ae Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Wed, 7 Jun 2023 15:49:12 +0100
Subject: Add `ODIN_COMPILE_TIMESTAMP` (unix timestamp in nanoseconds)

---
 src/checker.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/checker.cpp')

diff --git a/src/checker.cpp b/src/checker.cpp
index c71546499..a8227fc2e 100644
--- a/src/checker.cpp
+++ b/src/checker.cpp
@@ -915,6 +915,13 @@ gb_internal Type *add_global_type_name(Scope *scope, String const &type_name, Ty
 	return named_type;
 }
 
+gb_internal i64 odin_compile_timestamp(void) {
+	i64 us_after_1601 = cast(i64)gb_utc_time_now();
+	i64 us_after_1970 = us_after_1601 - 11644473600000000ll;
+	i64 ns_after_1970 = us_after_1970*1000ll;
+	return ns_after_1970;
+}
+
 
 gb_internal void init_universal(void) {
 	BuildContext *bc = &build_context;
@@ -1051,6 +1058,7 @@ gb_internal void init_universal(void) {
 
 	add_global_bool_constant("ODIN_VALGRIND_SUPPORT",         bc->ODIN_VALGRIND_SUPPORT);
 
+	add_global_constant("ODIN_COMPILE_TIMESTAMP", t_untyped_integer, exact_value_i64(odin_compile_timestamp()));
 
 
 // Builtin Procedures
-- 
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