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-rw-r--r--python/tox.ini4
1 files changed, 4 insertions, 0 deletions
diff --git a/python/tox.ini b/python/tox.ini
index cf8d5401..f663b538 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -6,6 +6,10 @@ envlist =
usedevelop=true
passenv = CC
setenv =
+ # Dummy entry works around bug where tox fails for empty "setenv" section
+ # (since cpp lines aren't used for py builds).
+ # https://bitbucket.org/hpk42/tox/issues/190/generative-setenv-fails-if-there-s-only
+ DUMMY=dummy
cpp: LD_LIBRARY_PATH={toxinidir}/../src/.libs
cpp: DYLD_LIBRARY_PATH={toxinidir}/../src/.libs
cpp: PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp