use precompiled LLVM on mingw-check

Signed-off-by: onur-ozkan <[email protected]>

Author: onur-ozkan

src/ci/docker/host-x86_64/mingw-check/Dockerfile

@@ -15,13 +15,20 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  llvm-19-tools \
+  llvm-19-dev \
   xz-utils \
   libssl-dev \
   pkg-config \
   mingw-w64 \
   && rm -rf /var/lib/apt/lists/*
 
-ENV RUST_CONFIGURE_ARGS="--set rust.validate-mir-opts=3"
+ENV RUST_CONFIGURE_ARGS \
+	--set rust.validate-mir-opts=3 \
+	--llvm-root=/usr/lib/llvm-19
+
+ENV NO_DOWNLOAD_CI_LLVM 1
+ENV EXTERNAL_LLVM 1
 
 COPY scripts/nodejs.sh /scripts/
 RUN sh /scripts/nodejs.sh /node