[gentoo-dev] [PATCH 2/7] python-r1.eclass: Move PYTHON_COMPAT_OVERRIDE warning into flag check

[Michał Górny]

Move the PYTHON_COMPAT_OVERRIDE warning from _python_obtain_impls()
to _python_validate_useflags(). Since the latter function is the only
point where the former is called, this is a purely cosmetic change at
the moment. However, it makes it possible to reuse the warning in
additional places without the necessity of setting MULTIBUILD_VARIANTS.
---
 eclass/python-r1.eclass | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/eclass/python-r1.eclass b/eclass/python-r1.eclass
index 5eaa802e06b9..ae9e3806e729 100644
--- a/eclass/python-r1.eclass
+++ b/eclass/python-r1.eclass
@@ -242,10 +242,25 @@ if [[ ! ${_PYTHON_R1} ]]; then
 # @FUNCTION: _python_validate_useflags
 # @INTERNAL
 # @DESCRIPTION:
-# Enforce the proper setting of PYTHON_TARGETS.
+# Enforce the proper setting of PYTHON_TARGETS, if PYTHON_COMPAT_OVERRIDE
+# is not in effect. If it is, just warn that the flags will be ignored.
 _python_validate_useflags() {
 	debug-print-function ${FUNCNAME} "${@}"
 
+	if [[ ${PYTHON_COMPAT_OVERRIDE} ]]; then
+		if [[ ! ${_PYTHON_COMPAT_OVERRIDE_WARNED} ]]; then
+			ewarn "WARNING: PYTHON_COMPAT_OVERRIDE in effect. The following Python"
+			ewarn "implementations will be enabled:"
+			ewarn
+			ewarn "	${PYTHON_COMPAT_OVERRIDE}"
+			ewarn
+			ewarn "Dependencies won't be satisfied, and PYTHON_TARGETS will be ignored."
+			_PYTHON_COMPAT_OVERRIDE_WARNED=1
+		fi
+		# we do not use flags with PCO
+		return
+	fi
+
 	local i
 
 	for i in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do
@@ -490,23 +505,13 @@ python_copy_sources() {
 # @DESCRIPTION:
 # Set up the enabled implementation list.
 _python_obtain_impls() {
-	if [[ ${PYTHON_COMPAT_OVERRIDE} ]]; then
-		if [[ ! ${_PYTHON_COMPAT_OVERRIDE_WARNED} ]]; then
-			ewarn "WARNING: PYTHON_COMPAT_OVERRIDE in effect. The following Python"
-			ewarn "implementations will be enabled:"
-			ewarn
-			ewarn "	${PYTHON_COMPAT_OVERRIDE}"
-			ewarn
-			ewarn "Dependencies won't be satisfied, and PYTHON_TARGETS will be ignored."
-			_PYTHON_COMPAT_OVERRIDE_WARNED=1
-		fi
+	_python_validate_useflags
 
+	if [[ ${PYTHON_COMPAT_OVERRIDE} ]]; then
 		MULTIBUILD_VARIANTS=( ${PYTHON_COMPAT_OVERRIDE} )
 		return
 	fi
 
-	_python_validate_useflags
-
 	MULTIBUILD_VARIANTS=()
 
 	local impl
-- 
2.13.0