From 0c6dce811bc7d820d849d49c3fa9257ef83baa41 Mon Sep 17 00:00:00 2001
From: Daniel Verkamp <dverkamp@chromium.org>
Date: Wed, 27 Jul 2022 16:35:00 -0700
Subject: [PATCH] tpm2-sys: build libtpm2 with -Wno-error

Recent OpenSSL versions have added deprecation warnings for functions
used by libtpm2, which breaks the default build that uses -Werror. Force
it off for our build.rs file so we can keep working until libtpm2 is
updated.

BUG=None
TEST=tools/clippy

Change-Id: I874df1393c6a9b5033e90e8182e6ba694d48e1df
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3790036
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Tested-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
---
 tpm2-sys/build.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tpm2-sys/build.rs b/tpm2-sys/build.rs
index f2a78ad526..78cd048562 100644
--- a/tpm2-sys/build.rs
+++ b/tpm2-sys/build.rs
@@ -49,6 +49,7 @@ fn build_libtpm2(out_dir: &Path) -> Result<()> {
         .arg(format!("AR={}ar", prefix))
         .arg(format!("CC={}gcc", prefix))
         .arg(format!("OBJCOPY={}objcopy", prefix))
+        .arg("CFLAGS=-Wno-error")
         .arg(format!("obj={}", out_dir.display()))
         .current_dir("libtpm2")
         .status()?;