diff --git a/unittests/linuxliketests.py b/unittests/linuxliketests.py
index 271822962902..2328107caac8 100644
--- a/unittests/linuxliketests.py
+++ b/unittests/linuxliketests.py
@@ -928,6 +928,7 @@ def test_build_rpath_pkgconfig(self):
         install_rpath = get_rpath(os.path.join(self.installdir, 'usr/bin/progcxx'))
         self.assertEqual(install_rpath, 'baz:/foo/dummy')
 
+    @skipIfNoPkgconfig
     def test_global_rpath(self):
         if is_cygwin():
             raise SkipTest('Windows PE/COFF binaries do not use RPATH')
diff --git a/unittests/machinefiletests.py b/unittests/machinefiletests.py
index c3802618df20..22341cb9a000 100644
--- a/unittests/machinefiletests.py
+++ b/unittests/machinefiletests.py
@@ -215,9 +215,12 @@ def test_python_module(self):
 
             # We not have python2, check for it
             for v in ['2', '2.7', '-2.7']:
-                rc = subprocess.call(['pkg-config', '--cflags', f'python{v}'],
-                                     stdout=subprocess.DEVNULL,
-                                     stderr=subprocess.DEVNULL)
+                try:
+                    rc = subprocess.call(['pkg-config', '--cflags', f'python{v}'],
+                                         stdout=subprocess.DEVNULL,
+                                         stderr=subprocess.DEVNULL)
+                except FileNotFoundError:
+                    raise SkipTest('Not running Python 2 tests because pkg-config not found.')
                 if rc == 0:
                     break
             else: