Use <omp.h> instead of <omp>

Author: mcbarton

CMakeLists.txt

@@ -314,7 +314,7 @@ macro(xeus_cpp_create_target target_name linkage output_name)
         set(XEUS_CPP_XEUS_TARGET xeus-static)
     endif ()
 
-    target_link_libraries(${target_name} PUBLIC ${XEUS_CPP_XEUS_TARGET} clangCppInterOp pugixml argparse::argparse xtl OpenMP::OpenMP_CXX)
+    target_link_libraries(${target_name} PUBLIC ${XEUS_CPP_XEUS_TARGET} clangCppInterOp pugixml argparse::argparse xtl)
 
     if (WIN32 OR CYGWIN)
         #

test/test_xcpp_kernel.py

@@ -131,7 +131,7 @@ class XCppTests(jupyter_kernel_test.KernelTests):
                 'mime': 'image/png'
             }
         ]
-        code_omp='#include <iostream>\n#include <omp>\n#include <clang/Interpreter/CppInterOp.h>\nCpp::LoadLibrary("libomp");int max_threads = omp_get_max_threads();omp_set_thread_num(max_threads);#pragma omp parallel \n{\nif(omp_get_thread_num()==2) std::cerr<<omp_get_thread_num()<<std::endl;}'
+        code_omp='#include <omp.h>\n#include <iostream>\n#include <clang/Interpreter/CppInterOp.h>\nCpp::LoadLibrary("libomp");int max_threads = omp_get_max_threads();omp_set_thread_num(max_threads);#pragma omp parallel \n{\nif(omp_get_thread_num()==2) std::cerr<<omp_get_thread_num()<<std::endl;}'
         def test_xcpp_omp(self):
             self.flush_channels()
             reply, output_msgs = self.execute_helper(code=self.code_omp,timeout=1)