python-utils-r1.eclass: add more info to stub python wrappers

The short terse error messages here are not easy to track down.  Add
a few more details so people can figure out what's going wrong faster.

diff --git a/eclass/python-utils-r1.eclass b/eclass/python-utils-r1.eclass
index c1349ff277b0b0b083c04cd5ca55cfe25b56f5b6..0bf7e7ec1a3e35dde616c3a02736e3d49c38e174 100644 (file)
--- a/eclass/python-utils-r1.eclass
+++ b/eclass/python-utils-r1.eclass
@@ -1041,7 +1041,7 @@ python_wrapper_setup() {
                for x in "${nonsupp[@]}"; do
                        cat >"${workdir}"/bin/${x} <<-_EOF_ || die
                                #!/bin/sh
-                               echo "${x} is not supported by ${EPYTHON}" >&2
+                               echo "${ECLASS}: ${FUNCNAME}: ${x} is not supported by ${EPYTHON} (PYTHON_COMPAT)" >&2
                                exit 127
                        _EOF_
                        chmod +x "${workdir}"/bin/${x} || die