Now actually the specified version of libpurple, I forgot to mtn update after propagating again.
(transplanted from 2fa7640aa8ee8fa9fd68fda4e09518192b89ae4e)
echo"PRODUCT_NAME is the name of the unit test bundle, not including the filename extension.">/dev/stderr
echo"Environment variables you may want to override:"CONFIGURATIONWRAPPER_EXTENSIONDEVELOPER_DIRDEVELOPER_LIBRARY_DIRDEVELOPER_TOOLS_DIRBUILT_PRODUCTS_DIR>/dev/stderr
echo'(See RunUnitTests(1) for what those variables do.)'>/dev/stderr