diff --git a/CMakeLists.txt b/CMakeLists.txt
index 605ba0b612..18de941218 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -409,55 +409,12 @@ install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 #=============================
 # write the dl_open Makefile
 #=============================
-file(WRITE share/Makefile "
-# Makefile to build dynamic sources for OpenMC
-# this assumes that your source sampling filename is
-# source_sampling.cpp 
-#
-# you can add fortran, c and cpp dependencies to this source
-# adding them in FC_DEPS, C_DEPS, and CXX_DEPS accordingly
-
-ifeq ($(FC), f77)
-FC = gfortran 
-endif 
-
-default: all 
-
-ALL = source_sampling
-# add your fortran depencies here
-FC_DEPS =
-# add your c dependencies here
-C_DEPS = 
-# add your cpp dependencies here 
-CPP_DEPS =
-DEPS = $(FC_DEPS) $(C_DEPS) $(CPP_DEPS)
-OPT_LEVEL = -O3
-FFLAGS = $(OPT_LEVEL) -fPIC
-C_FLAGS = -fPIC
-CXX_FLAGS = -fPIC
-
-OPENMC_DIR = ${CMAKE_INSTALL_PREFIX}
-OPENMC_INC_DIR = $(OPENMC_DIR)/include
-OPENMC_LIB_DIR = $(OPENMC_DIR)/lib
-# setting the so name is important
-LINK_FLAGS = $(OPT_LEVEL) -Wall -Wl,-soname,source_sampling.so 
-# setting shared is important
-LINK_FLAGS += -L$(OPENMC_LIB_DIR) -lopenmc -lgfortran -fPIC -shared
-OPENMC_INCLUDES = -I$(OPENMC_INC_DIR) -I$(OPENMC_DIR)/vendor/pugixml
-
-all: $(ALL) 
-
-source_sampling: $(DEPS)
-	$(CXX) source_sampling.cpp $(DEPS) $(OPENMC_INCLUDES) $(LINK_FLAGS) -o $@.so 
-# make any fortran objects
-%.o : %.F90 
-	$(FC) -c $(FFLAGS) $*.F90 -o $@
-# make any c objects
-%.o : %.c
-	$(CC) -c $(FFLAGS) $*.c -o $@
-#make any cpp objects
-%.o : %.cpp
-	$(CXX) -c $(FFLAGS) $*.cpp -o $@
-clean: 
-	rm -rf *.o *.mod
+file(WRITE ${CMAKE_INSTALL_PREFIX}/share/CMakeLists.txt "
+cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
+project(openmc_sources C CXX)
+add_library(source SHARED \$\{SOURCE_FILES\})
+target_include_directories(source PUBLIC ${PROJECT_SOURCE_DIR}/include 
+  ${PROJECT_SOURCE_DIR}/vendor/pugixml ${HDF5_INCLUDE_DIRS})
+target_link_libraries(source ${ldflags} ${HDF5_LIBRARIES} ${HDF5_HL_LIBRARIES})
 ")
+