Disabled the cuda variant when CUDA is not available.

modules/gpu/perf/perf_main.cpp

@@ -44,4 +44,8 @@
 
 using namespace perf;
 
-CV_PERF_TEST_MAIN_WITH_IMPLS(gpu, ("cuda", "plain"), printCudaInfo())
+CV_PERF_TEST_MAIN_WITH_IMPLS(gpu, (
+#ifdef HAVE_CUDA
+                                   "cuda",
+#endif
+                                   "plain"), printCudaInfo())

modules/nonfree/perf/perf_main.cpp

 #include "perf_precomp.hpp"
 #include "opencv2/ts/gpu_perf.hpp"
 
-CV_PERF_TEST_MAIN_WITH_IMPLS(nonfree, ("cuda", "plain"), perf::printCudaInfo())
+CV_PERF_TEST_MAIN_WITH_IMPLS(nonfree, (
+#ifdef HAVE_CUDA
+                                       "cuda",
+#endif
+                                       "plain"), perf::printCudaInfo())

modules/superres/perf/perf_main.cpp

@@ -44,4 +44,8 @@
 
 using namespace perf;
 
-CV_PERF_TEST_MAIN_WITH_IMPLS(superres, ("cuda", "plain"), printCudaInfo())
+CV_PERF_TEST_MAIN_WITH_IMPLS(superres, (
+#ifdef HAVE_CUDA
+                                        "cuda",
+#endif
+                                        "plain"), printCudaInfo())