message: build: improve macOS include dirs [skip ci]
diff: }]
  ],
  'xcode_settings': {
  + 'conditions': [
  + ['curl_include_dirs==""', {
  'OTHER_CPLUSPLUSFLAGS' : [
  - '-std=c++11','-stdlib=libc++',
  - '<!@(<(curl_config_bin) --cflags)',
  + '<!(<(curl_config_bin) --prefix)/include',
  ],
  'OTHER_CFLAGS':[
  - '<!@(<(curl_config_bin) --cflags)'
  + '<!(<(curl_config_bin) --prefix)/include',
  + ],
  + }],
  + ],
  + 'OTHER_CPLUSPLUSFLAGS':[
  + '-std=c++11','-stdlib=libc++',
  ],
  'OTHER_LDFLAGS':[
  '-Wl,-bind_at_load',
  