From c8bb32773ef393d7bc6b8ffc18474fff11f34216 Mon Sep 17 00:00:00 2001
From: yubbit <rsformoso@gmail.com>
Date: Thu, 15 Jan 2026 23:58:06 +0800
Subject: [PATCH] Compile Ceres to support cuDSS

---
 colmap/Dockerfile | 43 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 36 insertions(+), 7 deletions(-)

diff --git a/colmap/Dockerfile b/colmap/Dockerfile
index 066f116..09d1f3c 100644
--- a/colmap/Dockerfile
+++ b/colmap/Dockerfile
@@ -36,10 +36,29 @@ RUN apt-get update && \
         libqt6opengl6-dev \
         libqt6openglwidgets6 \
         libcgal-dev \
-        libceres-dev \
         libcurl4-openssl-dev \
         libssl-dev \
-        libmkl-full-dev
+        libmkl-full-dev \
+        libsuitesparse-dev \
+        libcudss0-dev-cuda-12 \
+        libcudss0-static-cuda-12
+
+# Install Ceres Solver with CUDA support. Disable testing and examples since
+# the GPU isn't available to us at build time
+RUN git clone --recursive https://github.com/ceres-solver/ceres-solver
+RUN mkdir ceres-bin && \
+    cd ceres-bin && \
+    cmake ../ceres-solver \
+        -DUSE_CUDA=ON \
+        -DCMAKE_CUDA_ARCHITECTURES=${CUDA_ARCHITECTURES} \
+        -DBUILD_TESTING=OFF \
+        -DBUILD_EXAMPLES=OFF \
+        -DCMAKE_BUILD_TYPE=Release \
+        -Dcudss_DIR=/usr/lib/x86_64-linux-gnu/libcudss/12/cmake/cudss \
+        -Dcudss_INCLUDE_DIR=/usr/include/libcudss/12 && \
+    make -j8 && \
+    make test && \
+    make install
 
 # Fix issue in Ubuntu's openimageio CMake config.
 # We don't depend on any of openimageio's OpenCV functionality,
@@ -47,7 +66,7 @@ RUN apt-get update && \
 RUN mkdir -p /usr/include/opencv4
 
 # Build and install COLMAP.
-RUN git clone https://github.com/colmap/colmap.git
+RUN git clone --recursive https://github.com/colmap/colmap.git
 RUN cd colmap && \
     git fetch https://github.com/colmap/colmap.git ${COLMAP_GIT_COMMIT} && \
     git checkout FETCH_HEAD && \
@@ -57,7 +76,9 @@ RUN cd colmap && \
         -GNinja \
         -DCMAKE_CUDA_ARCHITECTURES=${CUDA_ARCHITECTURES} \
         -DCMAKE_INSTALL_PREFIX=/colmap-install \
-        -DBLA_VENDOR=Intel10_64lp && \
+        -DBLA_VENDOR=Intel10_64lp \
+        -Dcudss_DIR=/usr/lib/x86_64-linux-gnu/libcudss/12/cmake/cudss \
+        -Dcudss_INCLUDE_DIR=/usr/include/libcudss/12 && \
     ninja install
 
 #
@@ -71,11 +92,12 @@ FROM nvidia/cuda:${NVIDIA_CUDA_VERSION}-runtime-ubuntu${UBUNTU_VERSION} AS runti
 RUN apt-get update && \
     apt-get install -y --no-install-recommends --no-install-suggests \
         libboost-program-options1.83.0 \
+        libspqr4 \
+        libcholmod5 \
         libc6 \
         libomp5 \
         libopengl0 \
         libmetis5 \
-        libceres4t64 \
         libopenimageio2.4t64 \
         libgcc-s1 \
         libgl1 \
@@ -90,7 +112,8 @@ RUN apt-get update && \
         libmkl-locale \
         libmkl-intel-lp64 \
         libmkl-intel-thread \
-        libmkl-core && \
+        libmkl-core \
+        libcudss0-cuda-12 && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
@@ -100,4 +123,10 @@ RUN apt-get update && \
 # of this Docker image to use it as a base image for compiling against COLMAP as
 # a library. For instance, CMake will be able to find COLMAP easily with the
 # command: find_package(COLMAP REQUIRED).
-COPY --from=builder /colmap-install/ /usr/local/
\ No newline at end of file
+COPY --from=builder /colmap-install/ /usr/local/
+COPY --from=builder /usr/local/include/ /usr/local/include/
+COPY --from=builder /usr/local/lib/ /usr/local/lib/
+COPY --from=builder /usr/lib/x86_64-linux-gnu/libcudss /usr/lib/x86_64-linux-gnu/libcudss
+
+ENV LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/libcudss/12:$LD_LIBRARY_PATH
+WORKDIR /workspace