Do not include CPPFLAGS/LIBS into ICONV_CPPFLAGS/LIBS when --with-iconv-prefix is provided.
Do not include CPPFLAGS/LIBS into ICONV_CPPFLAGS/LIBS when --with-iconv-prefix
is provided.


stefanseefeld/fresco,stefanseefeld/fresco,stefanseefeld/fresco,stefanseefeld/fresco,stefanseefeld/fresco