message: depends: build qt in c++17 mode
diff: @@ -29,7 +29,7 @@ $(package)_config_opts_release = -release
  $(package)_config_opts_release += -silent
  $(package)_config_opts_debug = -debug
  $(package)_config_opts += -bindir $(build_prefix)/bin
  -$(package)_config_opts += -c++std c++11
  +$(package)_config_opts += -c++std c++1z
  $(package)_config_opts += -confirm-license
  $(package)_config_opts += -hostprefix $(build_prefix)
  $(package)_config_opts += -no-compile-examples
  