Simplified uniform GPU selection in CMake

[alexxy/gromacs.git] / src / gromacs / hardware / detecthardware.cpp

diff --git a/src/gromacs/hardware/detecthardware.cpp b/src/gromacs/hardware/detecthardware.cpp
index 969399b3eccbd073d9361083781512fae30164d5..e88d642dc328f334139236e69dbe0f7c01d0814c 100644 (file)
--- a/src/gromacs/hardware/detecthardware.cpp
+++ b/src/gromacs/hardware/detecthardware.cpp
@@ -132,8 +132,8 @@ static void gmx_detect_gpus(const gmx::MDLogger&             mdlog,
     /* The OpenCL support requires us to run detection on all ranks.
      * With CUDA we don't need to, and prefer to detect on one rank
      * and send the information to the other ranks over MPI. */
-    bool allRanksMustDetectGpus = (GMX_GPU == GMX_GPU_OPENCL);
-    bool gpusCanBeDetected      = false;
+    constexpr bool allRanksMustDetectGpus = (GMX_GPU_OPENCL != 0);
+    bool           gpusCanBeDetected      = false;
     if (isMasterRankOfPhysicalNode || allRanksMustDetectGpus)
     {
         std::string errorMessage;