diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index baf46ca..80fa49a 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -23,10 +23,13 @@ file(GLOB libantlrcpp_SRC
   "${PROJECT_SOURCE_DIR}/runtime/src/tree/xpath/*.cpp"
 )
 
+if(BUILD_SHARED_LIBS)
 add_library(antlr4_shared SHARED ${libantlrcpp_SRC})
+else()
 add_library(antlr4_static STATIC ${libantlrcpp_SRC})
+endif()
 
-set(LIB_OUTPUT_DIR "${CMAKE_HOME_DIRECTORY}/dist") # put generated libraries here.
+#set(LIB_OUTPUT_DIR "${CMAKE_HOME_DIRECTORY}/dist") # put generated libraries here.
 message(STATUS "Output libraries to ${LIB_OUTPUT_DIR}")
 
 # make sure 'make' works fine even if ${LIB_OUTPUT_DIR} is deleted.
@@ -34,8 +37,11 @@ add_custom_target(make_lib_output_dir ALL
     COMMAND ${CMAKE_COMMAND} -E make_directory ${LIB_OUTPUT_DIR}
     )
 
+if(BUILD_SHARED_LIBS)
 add_dependencies(antlr4_shared make_lib_output_dir)
+else()
 add_dependencies(antlr4_static make_lib_output_dir)
+endif()
 
 if (ANTLR_BUILD_CPP_TESTS)
   include(FetchContent)
@@ -70,11 +76,17 @@ if (ANTLR_BUILD_CPP_TESTS)
 endif()
 
 if(CMAKE_SYSTEM_NAME MATCHES "Linux")
+  if(BUILD_SHARED_LIBS)
   target_link_libraries(antlr4_shared ${UUID_LIBRARIES})
+  else()
   target_link_libraries(antlr4_static ${UUID_LIBRARIES})
+  endif()
 elseif(APPLE)
+  if(BUILD_SHARED_LIBS)
   target_link_libraries(antlr4_shared ${COREFOUNDATION_LIBRARY})
+  else()
   target_link_libraries(antlr4_static ${COREFOUNDATION_LIBRARY})
+  endif()
 endif()
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
@@ -96,7 +108,7 @@ if(WIN32)
   set(extra_share_compile_flags "-DANTLR4CPP_EXPORTS")
   set(extra_static_compile_flags "-DANTLR4CPP_STATIC")
 endif(WIN32)
-if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+if(0)
   if(WITH_STATIC_CRT)
     target_compile_options(antlr4_shared PRIVATE "/MT$<$<CONFIG:Debug>:d>")
     target_compile_options(antlr4_static PRIVATE "/MT$<$<CONFIG:Debug>:d>")
@@ -116,6 +128,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
   set(extra_static_compile_flags "-DANTLR4CPP_STATIC -MP")
 endif()
 
+if(BUILD_SHARED_LIBS)
 set_target_properties(antlr4_shared
                       PROPERTIES VERSION   ${ANTLR_VERSION}
                                  SOVERSION ${ANTLR_VERSION}
@@ -126,25 +139,27 @@ set_target_properties(antlr4_shared
                                  RUNTIME_OUTPUT_DIRECTORY ${LIB_OUTPUT_DIR}
                                  ARCHIVE_OUTPUT_DIRECTORY ${LIB_OUTPUT_DIR}
                                  COMPILE_FLAGS "${disabled_compile_warnings} ${extra_share_compile_flags}")
-
+else()
 set_target_properties(antlr4_static
                       PROPERTIES VERSION   ${ANTLR_VERSION}
                                  SOVERSION ${ANTLR_VERSION}
                                  OUTPUT_NAME "antlr4-runtime${static_lib_suffix}"
                                  ARCHIVE_OUTPUT_DIRECTORY ${LIB_OUTPUT_DIR}
                                  COMPILE_FLAGS "${disabled_compile_warnings} ${extra_static_compile_flags}")
-
+endif()
+if(BUILD_SHARED_LIBS)
 install(TARGETS antlr4_shared
         EXPORT antlr4-targets
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-
+else()
 install(TARGETS antlr4_static
         EXPORT antlr4-targets
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+endif()
 
 install(DIRECTORY "${PROJECT_SOURCE_DIR}/runtime/src/"
         DESTINATION "include/antlr4-runtime"