links all targets with likwid if it is found and `DUNE_CODEGEN_PROFILING` is set

cmake/modules/DuneCodegenMacros.cmake

@@ -81,6 +81,8 @@
 
 find_package(benchmark)
 
+find_package(likwid)
+
 add_custom_target(generation)
 
 # Gather a list of form compiler sources to add as dependencies
@@ -207,6 +209,9 @@ function(add_generated_executable)
   add_executable(${GEN_TARGET} ${GEN_EXCLUDE_FROM_ALL} ${GEN_SOURCE} ${header_deps})
   target_include_directories(${GEN_TARGET} PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
   add_dependencies(generation ${GEN_TARGET})
+  if (DUNE_CODEGEN_PROFILING AND likwid_FOUND)
+    target_link_libraries(${GEN_TARGET} ${likwid_LIBRARIES})
+  endif ()
 endfunction()
 
 include(GeneratedSystemtests)

cmake/modules/Findlikwid.cmake

+# .. cmake_module::
+#
+#    Module that checks whether likwid is available and usable.
+#
+#    Variables used by this module which you may want to set:
+#
+#    :ref:`likwid_ROOT`
+#       Path list to search for likwid.
+#
+#    Sets the following variables:
+#
+#    :code:`likwid_FOUND`
+#       True if likwid available.
+#
+#    :code:`likwid_INCLUDE_DIRS`
+#       Path to the likwid include directories.
+#
+#
+#    :code:`likwid_LIBRARIES`
+#       Link against these libraries to use likwid.
+#
+# .. cmake_variable:: likwid_ROOT
+#
+#    You may set this variable to have :ref:`Findlikwid` look
+#    for the likwid package in the given paths before inspecting
+#    system paths.
+#
+find_path(LIKWID_INCLUDE_DIR
+        NAMES "likwid.h"
+        PATHS ${likwid_ROOT}
+        PATH_SUFFIXES "include" "include/likwid"
+        NO_DEFAULT_PATH)
+find_path(LIKWID_INCLUDE_DIR
+        NAMES "likwid.h"
+        PATH_SUFFIXES "include" "include/likwid")
+
+find_library(LIKWID_LIBRARY
+        NAMES "likwid"
+        PATHS ${likwid_ROOT}
+        PATH_SUFFIXES "lib" "lib32" "lib64"
+        NO_DEFAULT_PATH)
+find_library(LIKWID_LIBRARY
+        NAMES "likwid"
+        PATH_SUFFIXES "lib" "lib32" "lib64")
+
+include(CMakePushCheckState)
+cmake_push_check_state()
+
+if(LIKWID_INCLUDE_DIR)
+    set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${LIKWID_INCLUDE_DIR})
+endif()
+if(LIKWID_LIBRARY)
+    set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${LIKWID_LIBRARY})
+endif()
+
+cmake_pop_check_state()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+        "likwid"
+        DEFAULT_MSG
+        LIKWID_INCLUDE_DIR
+        LIKWID_LIBRARY
+)
+
+mark_as_advanced(LIKWID_INCLUDE_DIR LIKWID_LIBRARY)
+
+# if headers are found, store results
+if(likwid_FOUND)
+    set(likwid_INCLUDE_DIRS ${LIKWID_INCLUDE_DIR})
+    set(likwid_LIBRARIES ${LIKWID_LIBRARY})
+    # log result
+    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+            "Determing location of likwid succeeded:\n"
+            "Include directory: ${likwid_INCLUDE_DIRS}\n"
+            "Libraries to link against: ${likwid_LIBRARIES}\n\n")
+
+    set(likwid_DUNE_COMPILE_FLAGS "-I${likwid_INCLUDE_DIRS}"
+            CACHE STRING "Compile Flags used by DUNE when compiling with likwid programs")
+    set(likwid_DUNE_LIBRARIES ${likwid_LIBRARIES}
+            CACHE STRING "Libraries used by DUNE when linking likwid programs")
+else()
+    # log errornous result
+    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+            "Determing location of likwid failed:\n"
+            "Include directory: ${likwid_INCLUDE_DIRS}\n"
+            "Libraries to link against: ${likwid_LIBRARIES}\n\n")
+endif()
+
+# set HAVE_LIKWID for config.h
+set(HAVE_LIKWID ${likwid_FOUND})
+
+
+# register all likwid related flags
+if(likwid_FOUND)
+    dune_register_package_flags(COMPILE_DEFINITIONS "ENABLE_LIKWID=1"
+            LIBRARIES "${likwid_LIBRARIES}"
+            INCLUDE_DIRS "${likwid_INCLUDE_DIRS}")
+endif()
+
+# text for feature summary
+set_package_properties("LIKWID" PROPERTIES
+        DESCRIPTION "likwid"
+        PURPOSE "Performance monitoring and benchmarking suite.")
\ No newline at end of file