From 0ae1b807d30d36862617580b5886f178000a52a9 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Thu, 16 Nov 2023 21:36:10 +0000
Subject: [PATCH] [C#] Use faketime explicitly when compiling

As targeting windows has a timestamp in the resulting dll, which we
need to be deterministic.
---
 genbindings.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/genbindings.sh b/genbindings.sh
index c4a1b270..2e8204cc 100755
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -160,8 +160,10 @@ if [ "$2" = "c_sharp" ]; then
 			LINK="$LINK -Wl,--version-script=c_sharp/libcode.version"
 		fi
 
-		$COMPILE -o bindings.o -c -O3 -I"$1"/lightning-c-bindings/include/ c_sharp/bindings.c
-		$COMPILE $LINK -o libldkcsharp_release$LDK_TARGET_SUFFIX.so -O3 bindings.o $LDK_LIB -lm
+		# When building for Windows, a timestamp is included in the resulting dll,
+		# so we have to build with faketime.
+		faketime -f "2021-01-01 00:00:00" $COMPILE -o bindings.o -c -O3 -I"$1"/lightning-c-bindings/include/ c_sharp/bindings.c
+		faketime -f "2021-01-01 00:00:00" $COMPILE $LINK -o libldkcsharp_release$LDK_TARGET_SUFFIX.so -O3 bindings.o $LDK_LIB -lm
 		[ "$IS_APPLE_CLANG" != "true" ] && llvm-strip libldkcsharp_release$LDK_TARGET_SUFFIX.so
 
 		if [ "$LDK_JAR_TARGET" = "true" ]; then
-- 
2.39.5