dev-python/pillow: Add support for Python 3.7

* Remove spurious eutils inherit
* Add myself as primary maintainer

Closes: https://bugs.gentoo.org/661616
Package-Manager: Portage-2.3.43, Repoman-2.3.10

dev-python/pillow/metadata.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
+  <maintainer type="person">
+    <email>vdupras@gentoo.org</email>
+    <name>Virgil Dupras</name>
+  </maintainer>
   <maintainer type="project">
     <email>python@gentoo.org</email>
     <name>Python</name>

dev-python/pillow/pillow-5.2.0.ebuild

@@ -3,10 +3,10 @@
 
 EAPI=6
 
-PYTHON_COMPAT=( python2_7 python3_{5,6} )
+PYTHON_COMPAT=( python2_7 python3_{5,6,7} )
 PYTHON_REQ_USE='tk?,threads(+)'
 
-inherit distutils-r1 eutils virtualx
+inherit distutils-r1 virtualx
 
 MY_PN=Pillow
 MY_P=${MY_PN}-${PV}
@@ -64,6 +64,15 @@ python_configure_all() {
 	)
 }
 
+python_compile() {
+	# Pillow monkeypatches distutils to achieve parallel compilation. This
+	# conflicts with distutils' builtin parallel computation (since py35)
+	# and make builds hang. To avoid that, we set MAX_CONCURRENCY=1 to
+	# disable monkeypatching. Can be removed when/if
+	# https://github.com/python-pillow/Pillow/pull/3272 is merged.
+	MAX_CONCURRENCY=1 distutils-r1_python_compile
+}
+
 python_compile_all() {
 	use doc && emake -C docs html
 }