Only run opencl tests if opencl is installed. Otherwise skip those tests.

doc/examples/main.cc

@@ -26,6 +26,7 @@
 
 #include <iostream>
 #include <embb/base/c/thread.h>
+#include "../../mtapi_opencl_c/src/embb_mtapi_opencl_runtimelinker.h"
 
 void RunMTAPI_C();
 void RunMTAPI_C_Plugin();
@@ -67,7 +68,14 @@ int main() {
   std::cout << "RunMTAPI_C_Network() ... done" << std::endl;
 
   std::cout << "RunMTAPI_C_OpenCL() ..." << std::endl;
-  RunMTAPI_C_OpenCL();
+  if (embb_mtapi_opencl_link_at_runtime() != 0) {
+    RunMTAPI_C_OpenCL();
+  }
+  else {
+    ::std::cout <<
+      "! Skipping OpenCL tests, as OpenCL is not installed on your system." <<
+      ::std::endl;
+  }
   std::cout << "RunMTAPI_C_OpenCL() ... done" << std::endl;
 
   std::cout << "RunMTAPI_CPP() ..." << std::endl;

mtapi_opencl_c/test/main.cc

@@ -29,8 +29,17 @@
 #include <embb_mtapi_opencl_test_linker.h>
 #include <embb_mtapi_opencl_test_task.h>
 
+#include <embb_mtapi_opencl_runtimelinker.h>
+
 
 PT_MAIN("MTAPI OPENCL") {
-  PT_RUN(LinkerTest);
-  PT_RUN(TaskTest);
+  if ( embb_mtapi_opencl_link_at_runtime() != 0 ) {
+    PT_RUN(LinkerTest);
+    PT_RUN(TaskTest);
+  }
+  else {
+    ::std::cout <<
+      "! Skipping OpenCL tests, as OpenCL is not installed on your system." <<
+      ::std::endl;
+  }
 }