onerow: activate OpenMP

onerow/benchmark/CMakeLists.txt

@@ -1,2 +1,9 @@
 add_executable(onerow-benchmark.run src/main.cpp)
-target_link_libraries (onerow-benchmark.run LINK_PUBLIC qxx_static onerow_static m pthread ${GMP_LIBRARIES} ${CPLEX_LIBRARIES})
+target_link_libraries (onerow-benchmark.run LINK_PUBLIC
+    qxx_static
+    onerow_static
+    m
+    pthread
+    ${GMP_LIBRARIES}
+    ${CPLEX_LIBRARIES}
+    ${OpenMP_LIBRARIES})

onerow/benchmark/src/main.cpp

@@ -98,6 +98,8 @@ int main(int argc, char **argv)
 
 	Stats::set_input_filename(string(input_filename));
 
+	time_printf("Using OpenMP (%d threads)\n", omp_get_max_threads());
+
 	// reads input file
 	time_printf("Reading input file: %s...\n", input_filename);
 	status = CPXreadcopyprob(env, lp, input_filename, NULL);