diff -r 70354bd4f19b -r af20468eb0a4 Makefile
--- a/Makefile	Fri Aug 11 01:34:11 2017 -0700
+++ b/Makefile	Mon Aug 21 21:35:06 2017 -0700
@@ -187,7 +187,7 @@
 	  PREFIX=/usr/local \
 	  clean install
 	mkdir -p $${OUTPUTDIR:-dist}
-	HGVER=$$(shell python contrib/genosxversion.py $(OSXVERSIONFLAGS) build/mercurial/Library/Python/2.7/site-packages/mercurial/__version__.py ) && \
+	HGVER=$$(python contrib/genosxversion.py $(OSXVERSIONFLAGS) build/mercurial/Library/Python/2.7/site-packages/mercurial/__version__.py) && \
 	OSXVER=$$(sw_vers -productVersion | cut -d. -f1,2) && \
 	pkgbuild --filter \\.DS_Store --root build/mercurial/ \
 	  --identifier org.mercurial-scm.mercurial \