disable debuginfo for JIT compiled functors unless explicitly required

Phys/FunctorCache/cmake/ThOrFunctorCache.cmake

@@ -45,7 +45,8 @@ function(thor_functor_cache cache_name)
     # make sure that the intall directory already exists otherwise the
     # compilation job will fail!
     COMMAND mkdir -p ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}
-    COMMAND ${CMAKE_BINARY_DIR}/run env FUNCTOR_JIT_LIBDIR=${CACHE_LIB_DIR} gaudirun.py ${ARG_OPTIONS}
+    # set FUNCTOR_JIT_EXTRA_ARGS to overwrite the default value of "-g0"
+    COMMAND ${CMAKE_BINARY_DIR}/run env FUNCTOR_JIT_EXTRA_ARGS="" FUNCTOR_JIT_LIBDIR=${CACHE_LIB_DIR} gaudirun.py ${ARG_OPTIONS}
     # This file is only created as dependency proxy as we don't know the output
     # file name the JIT library
     COMMAND touch ${cache_name}.stamp

Phys/FunctorCore/CMakeLists.txt

@@ -149,16 +149,24 @@ my_env['LIBRARY_PATH'] = my_env['LD_LIBRARY_PATH']
 if len(sys.argv) != 3:
     raise Exception('expect two arguments! e.g. functor_jitter input.cpp output.so')
 
+# debug info is only needed for debugging or the throughput tests. Those jobs
+# should set this env var otherwise if not set we explicitly force the debug
+# level to zero to reduce memory and compilation time overhead of JIT by a
+# factor of >2
+extra_args = os.environ.get('FUNCTOR_JIT_EXTRA_ARGS', '-g0')
+
 cmd = '''
 ${CMAKE_CXX_COMPILER_CONTENT}'''
 
-exit(sp.call(cmd + ' -std=c++${GAUDI_CXX_STANDARD} \
+cmd = cmd + ' -std=c++${GAUDI_CXX_STANDARD} \
 -D$<JOIN:$<REMOVE_DUPLICATES:$<TARGET_PROPERTY:FunctorCoreLib,COMPILE_DEFINITIONS>>, -D> \
 ${no_pedantic} \
 ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UPPER}} -fPIC -shared \
--include {0}/include/${preprocessed_header_name} \
+{3} -include {0}/include/${preprocessed_header_name} \
 -lFunctorCore -lParticleCombiners -lTrackEvent -lPhysEvent -lMCEvent -lRecEvent -lHltEvent \
--o {1} {2}'.format(base_dir, sys.argv[2], sys.argv[1] ), shell=True, env=my_env))
+-o {1} {2}'.format(base_dir, sys.argv[2], sys.argv[1], extra_args)
+
+exit(sp.call(cmd, shell=True, env=my_env))
 ")
 
 set(JIT_CMD_FILE "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}/functor_jitter")