From 60151daef8c3cd24cc7200ee35d334420f4fc5fa Mon Sep 17 00:00:00 2001
From: ochafik <ochafik@google.com>
Date: Sun, 19 Jan 2025 02:07:58 +0000
Subject: [PATCH] Use ccache in Docker CUDA build

---
 .devops/cuda.Dockerfile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.devops/cuda.Dockerfile b/.devops/cuda.Dockerfile
index 974dd78a8..b1c14c17a 100644
--- a/.devops/cuda.Dockerfile
+++ b/.devops/cuda.Dockerfile
@@ -12,13 +12,14 @@ FROM ${BASE_CUDA_DEV_CONTAINER} AS build
 ARG CUDA_DOCKER_ARCH=default
 
 RUN apt-get update && \
-    apt-get install -y build-essential cmake python3 python3-pip git libcurl4-openssl-dev libgomp1
+    apt-get install -y build-essential cmake python3 python3-pip git libcurl4-openssl-dev libgomp1 ccache
 
 WORKDIR /app
 
 COPY . .
 
-RUN if [ "${CUDA_DOCKER_ARCH}" != "default" ]; then \
+RUN --mount=type=cache,target=/root/.ccache \
+    if [ "${CUDA_DOCKER_ARCH}" != "default" ]; then \
     export CMAKE_ARGS="-DCMAKE_CUDA_ARCHITECTURES=${CUDA_DOCKER_ARCH}"; \
     fi && \
     cmake -B build -DGGML_NATIVE=OFF -DGGML_CUDA=ON -DLLAMA_CURL=ON ${CMAKE_ARGS} -DCMAKE_EXE_LINKER_FLAGS=-Wl,--allow-shlib-undefined . && \