Update source/matrix_free/cuda_matrix_free.cu

Co-authored-by: David Wells <drwells@email.unc.edu>

diff --git a/source/matrix_free/cuda_matrix_free.cu b/source/matrix_free/cuda_matrix_free.cu
index 9bd1a0a52d492aec443520f90dfd1a93150a4d9c..69238e2275ac2edb47a3a253b7d0c2eae72f2e5b 100644 (file)
--- a/source/matrix_free/cuda_matrix_free.cu
+++ b/source/matrix_free/cuda_matrix_free.cu
@@ -25,7 +25,7 @@ namespace CUDAWrappers
 {
   namespace internal
   {
-    extern std::array<std::atomic_bool, mf_n_concurrent_objects> used_objects;
+    std::array<std::atomic_bool, mf_n_concurrent_objects> used_objects;
   }
 
   // Do not instantiate for dim = 1