Fix FTBFS with setuptools >= 62.1

Resolves: rhbz#2097095

python-pillow.spec

@@ -1,5 +1,4 @@
 %global py3_incdir %(RPM_BUILD_ROOT= %{python3} -Ic 'import sysconfig; print(sysconfig.get_path("include"))')
-%global py3_libbuilddir lib.%{python3_platform}-%{python3_version}
 
 %global srcname pillow
 # EPEL9 is missing some dependencies to build the documentation
@@ -13,7 +12,7 @@
 
 Name:           python-%{srcname}
 Version:        9.1.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Python image processing library
 
 # License: see http://www.pythonware.com/products/pil/license.htm
@@ -202,7 +201,7 @@ PKG_CONFIG=mingw64-pkg-config %{mingw64_py3_build}
 
 # Doc build
 %if %{with doc}
-PYTHONPATH=$PWD/build/%py3_libbuilddir make -C docs html BUILDDIR=_build_py3 SPHINXBUILD=sphinx-build-%python3_version
+PYTHONPATH=$(echo $PWD/build/lib.linux-*) make -C docs html BUILDDIR=_build_py3 SPHINXBUILD=sphinx-build-%python3_version
 rm -f docs/_build_py3/html/.buildinfo
 %endif
 
@@ -237,10 +236,10 @@ rm -rf %{buildroot}%{mingw64_bindir}
 
 %check
 # Check Python 3 modules
-ln -s $PWD/Images $PWD/build/%py3_libbuilddir/Images
-cp -R $PWD/Tests $PWD/build/%py3_libbuilddir/Tests
-cp -a $PWD/selftest.py $PWD/build/%py3_libbuilddir/selftest.py
-pushd build/%py3_libbuilddir
+ln -s $PWD/Images $(echo $PWD/build/lib.linux-*)/Images
+cp -R $PWD/Tests $(echo $PWD/build/lib.linux-*)/Tests
+cp -a $PWD/selftest.py $(echo $PWD/build/lib.linux-*)/selftest.py
+pushd build/lib.linux-*
 PYTHONPATH=$PWD %{__python3} selftest.py
 popd
 %ifnarch s390x
@@ -299,6 +298,10 @@ popd
 
 
 %changelog
+* Wed Jun 22 2022 Charalampos Stratakis <cstratak@redhat.com> - 9.1.1-4
+- Fix FTBFS with setuptools >= 62.1
+Resolves: rhbz#2097095
+
 * Mon Jun 13 2022 Python Maint <python-maint@redhat.com> - 9.1.1-3
 - Rebuilt for Python 3.11