Resolving compilation errors for COLMAP in Ubuntu under WSL2

Abstract

Using CUDA requires manually compiling the COLMAP source code. Recently, when compiling under WLS2 with Ubuntu, the following error occurred. This article provides a feasible solution to address the issue:

-- Found Threads: TRUE
-- The CUDA compiler identification is NVIDIA 12.6.85
CMake Error at /usr/share/cmake-3.27/Modules/CMakeDetermineCUDACompiler.cmake:528 (message):
  Failed to extract nvcc implicit link line.
Call Stack (most recent call first):
  cmake/FindDependencies.cmake:167 (enable_language)
  CMakeLists.txt:121 (include)


-- Configuring incomplete, errors occurred!

Resolving

Before compiling, first export the path of nvcc, then use cmake to compile:

You can use `which nvcc` to output the path of `nvcc`
# root@MSI:~# which nvcc
# /usr/local/cuda-12.6/bin/nvcc
export CUDACXX=/usr/local/cuda-12.6/bin/nvcc
cmake ..

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