Add a bunch of compile-time flags to the gyp build (and top-level Makefile)

build/standalone.gypi

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 71 matching lines @@
           [ 'target_arch=="ia32"', {
             'cflags': [ '-m32' ],
             'ldflags': [ '-m32' ],
           }],
           [ 'OS=="linux"', {
             'cflags': [ '-ansi' ],
           }],
           [ 'visibility=="hidden"', {
             'cflags': [ '-fvisibility=hidden' ],
           }],
+          [ 'component=="shared_library"', {
+            'cflags': [ '-fPIC', ],
+          }],
         ],
       },
     }],  # 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"'
     ['OS=="win"', {
       'target_defaults': {
         'defines': [
           'WIN32',
           '_CRT_SECURE_NO_DEPRECATE',
           '_CRT_NONSTDC_NO_DEPRECATE',
         ],
@@ skipping 86 matching lines @@
         },
         'target_conditions': [
           ['_type!="static_library"', {
             'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
           }],
         ],  # target_conditions
       },  # target_defaults
     }],  # OS=="mac"
   ],
 }