SourceKit: use shared blocksruntime

Switch libdispatch to shared BlocksRuntime.  Update the dependency here
accordingly.

Author: compnerd

tools/SourceKit/CMakeLists.txt

@@ -107,7 +107,7 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
                           -DENABLE_SWIFT=YES
                         BUILD_BYPRODUCTS
                           ${SWIFT_PATH_TO_LIBDISPATCH_BUILD}/src/${CMAKE_SHARED_LIBRARY_PREFIX}dispatch${CMAKE_SHARED_LIBRARY_SUFFIX}
-                          ${SWIFT_PATH_TO_LIBDISPATCH_BUILD}/${CMAKE_STATIC_LIBRARY_PREFIX}BlocksRuntime${CMAKE_STATIC_LIBRARY_SUFFIX}
+                          ${SWIFT_PATH_TO_LIBDISPATCH_BUILD}/${CMAKE_SHARED_LIBRARY_PREFIX}BlocksRuntime${CMAKE_SHARED_LIBRARY_SUFFIX}
                         STEP_TARGETS
                           configure
                         BUILD_ALWAYS
@@ -144,11 +144,11 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
                           IMPORTED_LINK_INTERFACE_LIBRARIES
                             swiftCore-${SWIFT_SDK_${SWIFT_HOST_VARIANT_SDK}_LIB_SUBDIR}-${SWIFT_HOST_VARIANT_ARCH})
 
-  add_library(BlocksRuntime STATIC IMPORTED)
+  add_library(BlocksRuntime SHARED IMPORTED)
   set_target_properties(BlocksRuntime
                         PROPERTIES
                           IMPORTED_LOCATION
-                            ${SWIFT_PATH_TO_LIBDISPATCH_BUILD}/${CMAKE_STATIC_LIBRARY_PREFIX}BlocksRuntime${CMAKE_STATIC_LIBRARY_SUFFIX}
+                            ${SWIFT_PATH_TO_LIBDISPATCH_BUILD}/${CMAKE_SHARED_LIBRARY_PREFIX}BlocksRuntime${CMAKE_SHARED_LIBRARY_SUFFIX}
                           INTERFACE_INCLUDE_DIRECTORIES
                             ${SWIFT_PATH_TO_LIBDISPATCH_SOURCE}/src/BlocksRuntime)
 

utils/build-script-impl

@@ -2955,7 +2955,7 @@ for host in "${ALL_HOSTS[@]}"; do
                 fi
                 # If libdispatch is being built, TestFoundation will need access to it
                 if [[ ! "${SKIP_BUILD_LIBDISPATCH}" ]] ; then
-                    LIBDISPATCH_LIB_DIR=":$(build_directory ${host} libdispatch)/src/.libs"
+                    LIBDISPATCH_LIB_DIR=":$(build_directory ${host} libdispatch)/src/.libs:$(build_directory ${host} libdispatch)"
                 else
                     LIBDISPATCH_LIB_DIR=""
                 fi