Merge pull request #310 from syuu1228/fix_cass_build_shared_off

Fix errors when -DCASS_BUILD_SHARED=OFF specified

Author: wprzytula

scylla-rust-wrapper/CMakeLists.txt

@@ -49,16 +49,20 @@ else()
   set(CMAKE_Rust_FLAGS "${CMAKE_Rust_FLAGS_SONAME}")
 endif()
 cargo_build(NAME scylla_cpp_driver)
-create_copy($<TARGET_FILE:scylla_cpp_driver_shared> ${INSTALL_NAME_SHARED})
-add_library(scylla-cpp-driver SHARED IMPORTED GLOBAL)
-add_dependencies(scylla-cpp-driver scylla-cpp-driver_target)
-set_target_properties(scylla-cpp-driver PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/${INSTALL_NAME_SHARED})
-create_copy($<TARGET_FILE:scylla_cpp_driver> ${INSTALL_NAME_STATIC})
-add_library(scylla-cpp-driver_static STATIC IMPORTED GLOBAL)
-add_dependencies(scylla-cpp-driver_static scylla-cpp-driver_static_target)
-set_target_properties(scylla-cpp-driver_static PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/${INSTALL_NAME_STATIC})
-create_symlink(${INSTALL_NAME_SHARED} ${INSTALL_NAME_SHARED_SYMLINK_VERSION})
-create_symlink(${INSTALL_NAME_SHARED} ${INSTALL_NAME_SHARED_SYMLINK_NO_VERSION})
+if(CASS_BUILD_SHARED)
+  create_copy($<TARGET_FILE:scylla_cpp_driver_shared> ${INSTALL_NAME_SHARED})
+  add_library(scylla-cpp-driver SHARED IMPORTED GLOBAL)
+  add_dependencies(scylla-cpp-driver scylla-cpp-driver_target)
+  set_target_properties(scylla-cpp-driver PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/${INSTALL_NAME_SHARED})
+  create_symlink(${INSTALL_NAME_SHARED} ${INSTALL_NAME_SHARED_SYMLINK_VERSION})
+  create_symlink(${INSTALL_NAME_SHARED} ${INSTALL_NAME_SHARED_SYMLINK_NO_VERSION})
+endif()
+if(CASS_BUILD_STATIC)
+  create_copy($<TARGET_FILE:scylla_cpp_driver> ${INSTALL_NAME_STATIC})
+  add_library(scylla-cpp-driver_static STATIC IMPORTED GLOBAL)
+  add_dependencies(scylla-cpp-driver_static scylla-cpp-driver_static_target)
+  set_target_properties(scylla-cpp-driver_static PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/${INSTALL_NAME_STATIC})
+endif()
 
 #-------------------------------------
 # Installation