From 490dfffb32c865c2dbda45ac7084a830cce49a7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Thu, 5 Sep 2024 14:21:59 +0300
Subject: [PATCH] Docker.system-clang: Fix building with older LLVM versions
 after recent changes

---
 Dockerfile.system-clang | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Dockerfile.system-clang b/Dockerfile.system-clang
index 47191e6..bbb19a7 100644
--- a/Dockerfile.system-clang
+++ b/Dockerfile.system-clang
@@ -22,7 +22,10 @@ WORKDIR /build
 
 ENV TOOLCHAIN_PREFIX=/opt/llvm-mingw
 
-ARG TOOLCHAIN_ARCHS="i686 x86_64 armv7 aarch64"
+# build-compiler-rt.sh assumes that sanitizers can be built for all architectures.
+# Sanitizers can be built for aarch64 since LLVM 14 and for armv7 since LLVM 19.
+# For simplicity, just skip building for armv7 when building an older version.
+ARG TOOLCHAIN_ARCHS="i686 x86_64 aarch64"
 
 ARG DEFAULT_CRT=ucrt