[cmake] add -headerpad_max_install_names when building dylibs (#78121)

* add -headerpad_max_install_names when building dylibs

* fix formatting of link options

Author: justice-adams-apple

Runtimes/Core/core/CMakeLists.txt

@@ -265,6 +265,10 @@ if(SwiftCore_ENABLE_VECTOR_TYPES)
     "${CMAKE_CURRENT_BINARY_DIR}/SIMDVectorTypes.swift")
 endif()
 
+if(APPLE AND BUILD_SHARED_LIBS)
+  target_link_options(swiftCore PRIVATE "SHELL:-Xlinker -headerpad_max_install_names")
+endif()
+
 target_compile_options(swiftCore PRIVATE
   $<$<COMPILE_LANGUAGE:Swift>:-parse-stdlib>
   $<$<COMPILE_LANGUAGE:Swift>:-nostdimport>