2 files changed, 9 insertions, 9 deletions
diff --git a/Makefile b/Makefile
index 8662f43..12f896f 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ all: native_bus.so
 	$(CC) -fPIC -c -o $@ $< $(CFLAGS) $(CPPFLAGS)
 
 .pyx.c:
-	if ! $(CYTHON) -$(PY_MAJOR) -v $< -o $@ ; then rm $@; false; fi
+	if ! $(CYTHON) -$(PYTHON_MAJOR) -v $< -o $@ ; then rm $@; false; fi
 
 install: native_bus.so
 	mkdir -p -- "$(DESTDIR)$(PYTHONPKGDIR)"
diff --git a/config.mk b/config.mk
index 9838819..514c92c 100644
--- a/config.mk
+++ b/config.mk
@@ -1,16 +1,16 @@
 PREFIX    = /usr
 MANPREFIX = $(PREFIX)/share/man
-PYTHONDIR = $(PREFIX)/lib/python$(PY_MAJOR).$(PY_MINOR)
+PYTHONDIR = $(PREFIX)/lib/python$(PYTHON_MAJOR).$(PYTHON_MINOR)
 PYTHONPKGDIR = $(PYTHONDIR)/site-packages
 
 CC     = cc
-CYTHON = cython
-PYTHON = python$(PY_VERSION)
+CYTHON = cython$(PYTHON_MAJOR)
+PYTHON = python$(PYTHON_VERSION)
 
 CPPFLAGS  = -D_DEFAULT_SOURCE -D_BSD_SOUCE -D_XOPEN_SOURCE=700
-CFLAGS    = -std=c99 -O2 $$(pkg-config --cflags python$(PY_MAJOR))
-LDFLAGS   = -s $$(pkg-config --libs python$(PY_MAJOR)) -lbus
+CFLAGS    = -std=c99 -O2 $$(pkg-config --cflags python$(PYTHON_MAJOR))
+LDFLAGS   = -s $$(pkg-config --libs python$(PYTHON_MAJOR)) -lbus
 
-PY_MAJOR   = $$(python --version 2>&1 | cut -d . -f 1 | cut -d ' ' -f 2)
-PY_MINOR   = $$(python$(PYTHON_MAJOR) --version 2>&1 | cut -d . -f 2)
-PY_VERSION = $(PY_MAJOR).$(PY_MINOR)
+PYTHON_MAJOR   = $$(python --version 2>&1 | cut -d ' ' -f 2 | cut -d . -f 1)
+PYTHON_MINOR   = $$(python$(PYTHON_MAJOR) --version 2>&1 | cut -d . -f 2)
+PYTHON_VERSION = $(PYTHON_MAJOR).$(PYTHON_MINOR)