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-rw-r--r--python/docs/Makefile8
1 files changed, 4 insertions, 4 deletions
diff --git a/python/docs/Makefile b/python/docs/Makefile
index 903009790b..905e0215c2 100644
--- a/python/docs/Makefile
+++ b/python/docs/Makefile
@@ -2,10 +2,10 @@
#
# You can set these variables from the command line.
-SPHINXOPTS =
-SPHINXBUILD = sphinx-build
-PAPER =
-BUILDDIR = _build
+SPHINXOPTS ?=
+SPHINXBUILD ?= sphinx-build
+PAPER ?=
+BUILDDIR ?= _build
export PYTHONPATH=$(realpath ..):$(realpath ../lib/py4j-0.9.2-src.zip)