From a3c22e7ee2dbbe789206b76f9431b56790e5b8ca Mon Sep 17 00:00:00 2001
From: Yi Kong <yikong@google.com>
Date: Thu, 9 Apr 2020 00:11:53 +0800
Subject: [PATCH] Pass -Brepro ldflag to Windows builds

The default build-id is generated using timestamp. Pass -Brepro to
avoid using timestamp for deterministic build.

Bug: 153462962
Test: build fastboot.exe twice, got same shasum
Change-Id: I38fe993eec23c60bfcf1b76188774bfe06839fa4
---
 cc/config/x86_windows_host.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cc/config/x86_windows_host.go b/cc/config/x86_windows_host.go
index 43e8c85e8..cd0a50837 100644
--- a/cc/config/x86_windows_host.go
+++ b/cc/config/x86_windows_host.go
@@ -58,8 +58,11 @@ var (
 		"-Wl,--dynamicbase",
 		"-Wl,--nxcompat",
 	}
+	windowsLldflags = []string{
+		"-Wl,--Xlink=-Brepro", // Enable deterministic build
+	}
 	windowsClangLdflags  = append(ClangFilterUnknownCflags(windowsLdflags), []string{}...)
-	windowsClangLldflags = ClangFilterUnknownLldflags(windowsClangLdflags)
+	windowsClangLldflags = append(ClangFilterUnknownLldflags(windowsClangLdflags), windowsLldflags...)
 
 	windowsX86Cflags = []string{
 		"-m32",