Backport PR pandas-dev#38766: BLD: fix build failure py3.9.1 on OSX

jbrockmendel · meeseeksmachine · commit fdaa3e9313ce · 2020-12-29T14:05:58.000Z
diff --git a/doc/source/whatsnew/v1.2.1.rst b/doc/source/whatsnew/v1.2.1.rst
@@ -41,7 +41,7 @@ I/O
 
 Other
 ~~~~~
--
+- Fixed build failure on MacOS 11 in Python 3.9.1 (:issue:`38766`)
 -
 
 .. ---------------------------------------------------------------------------
diff --git a/setup.py b/setup.py
@@ -435,7 +435,7 @@ def run(self):
             "MACOSX_DEPLOYMENT_TARGET", current_system
         )
         if (
-            LooseVersion(python_target) < "10.9"
+            LooseVersion(str(python_target)) < "10.9"
             and LooseVersion(current_system) >= "10.9"
         ):
             os.environ["MACOSX_DEPLOYMENT_TARGET"] = "10.9"

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ I/O`
`41`	`41`
`42`	`42`	`Other`
`43`	`43`	`~~~~~`
`44`		`--`
	`44`	+- Fixed build failure on MacOS 11 in Python 3.9.1 (:issue:`38766`)
`45`	`45`	`-`
`46`	`46`
`47`	`47`	`.. ---------------------------------------------------------------------------`
Original file line number	Diff line number	Diff line change
`@@ -435,7 +435,7 @@ def run(self):`
`435`	`435`	`"MACOSX_DEPLOYMENT_TARGET", current_system`
`436`	`436`	`)`
`437`	`437`	`if (`
`438`		`- LooseVersion(python_target) < "10.9"`
	`438`	`+ LooseVersion(str(python_target)) < "10.9"`
`439`	`439`	`and LooseVersion(current_system) >= "10.9"`
`440`	`440`	`):`
`441`	`441`	`os.environ["MACOSX_DEPLOYMENT_TARGET"] = "10.9"`