add fortran linker for cmake (instead of using a cxx linker)

Author: jvdp1

src/tests/hash_functions/CMakeLists.txt

@@ -11,9 +11,12 @@ generate_hash_arrays.cpp
 
 add_library(libc_hash ${SRC})
 
+set(CMAKE_FORTRAN_LINK_EXECUTABLE "<CMAKE_Fortran_COMPILER>  <CMAKE_Fortran_LINK_FLAGS> <LINK_FLAGS> <FLAGS> <OBJECTS>  -o <TARGET> <LINK_LIBRARIES>")
 
 add_executable(test_hash_functions test_hash_functions.f90)
 target_link_libraries(test_hash_functions "${PROJECT_NAME}" "test-drive::test-drive" "libc_hash")
 add_test(NAME hash_functions
              COMMAND $<TARGET_FILE:test_hash_functions> ${CMAKE_CURRENT_BINARY_DIR}
              WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+
+set_target_properties(test_hash_functions PROPERTIES LINKER_LANGUAGE FORTRAN)