check-venv: use recorded Python version

The current approach works fine, but it runs Python on every make
command (even if it's not related to the venv usage).

This is just an optimization, and not a change of behavior.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20181109150710.31085-3-crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

diff --git a/tests/Makefile.include b/tests/Makefile.include
index f403a6571d9dae888e715aed72345637567fd9a0..f8d4399293546251e29919ec42eae3d8f13fa953 100644 (file)
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -958,8 +958,7 @@ TESTS_RESULTS_DIR=$(BUILD_DIR)/tests/results
 # information please refer to "avocado --help".
 AVOCADO_SHOW=none
 
-PYTHON3 = $(shell $(PYTHON) -c 'import sys; print(1 if sys.version_info >= (3, 0) else 0)')
-ifeq ($(PYTHON3), 1)
+ifneq ($(findstring v2,"v$(PYTHON_VERSION)"),v2)
 $(TESTS_VENV_DIR): $(TESTS_VENV_REQ)
        $(call quiet-command, \
             $(PYTHON) -m venv --system-site-packages $@, \