diff -ru Python-3.7.4.orig/Lib/distutils/command/install.py Python-3.7.4/Lib/distutils/command/install.py
--- Python-3.7.4.orig/Lib/distutils/command/install.py	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Lib/distutils/command/install.py	2019-08-28 15:52:48.373000000 +0200
@@ -30,14 +30,14 @@
 INSTALL_SCHEMES = {
     'unix_prefix': {
         'purelib': '$base/lib/python$py_version_short/site-packages',
-        'platlib': '$platbase/lib/python$py_version_short/site-packages',
+        'platlib': '$platbase/lib64/python$py_version_short/site-packages',
         'headers': '$base/include/python$py_version_short$abiflags/$dist_name',
         'scripts': '$base/bin',
         'data'   : '$base',
         },
     'unix_home': {
         'purelib': '$base/lib/python',
-        'platlib': '$base/lib/python',
+        'platlib': '$base/lib64/python',
         'headers': '$base/include/python/$dist_name',
         'scripts': '$base/bin',
         'data'   : '$base',
diff -ru Python-3.7.4.orig/Lib/distutils/sysconfig.py Python-3.7.4/Lib/distutils/sysconfig.py
--- Python-3.7.4.orig/Lib/distutils/sysconfig.py	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Lib/distutils/sysconfig.py	2019-08-28 15:52:48.377000000 +0200
@@ -147,8 +147,12 @@
             prefix = plat_specific and EXEC_PREFIX or PREFIX
 
     if os.name == "posix":
+        if plat_specific or standard_lib:
+            lib = "lib64"
+        else:
+            lib = "lib"
         libpython = os.path.join(prefix,
-                                 "lib", "python" + get_python_version())
+                                 lib, "python" + get_python_version())
         if standard_lib:
             return libpython
         else:
diff -ru Python-3.7.4.orig/Lib/site.py Python-3.7.4/Lib/site.py
--- Python-3.7.4.orig/Lib/site.py	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Lib/site.py	2019-08-28 15:54:01.948000000 +0200
@@ -334,11 +334,15 @@
         seen.add(prefix)
 
         if os.sep == '/':
+            sitepackages.append(os.path.join(prefix, "lib64",
+                                        "python%d.%d" % sys.version_info[:2],
+                                        "site-packages"))
             sitepackages.append(os.path.join(prefix, "lib",
                                         "python%d.%d" % sys.version_info[:2],
                                         "site-packages"))
         else:
             sitepackages.append(prefix)
+            sitepackages.append(os.path.join(prefix, "lib64", "site-packages"))
             sitepackages.append(os.path.join(prefix, "lib", "site-packages"))
     return sitepackages
 
diff -ru Python-3.7.4.orig/Lib/sysconfig.py Python-3.7.4/Lib/sysconfig.py
--- Python-3.7.4.orig/Lib/sysconfig.py	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Lib/sysconfig.py	2019-08-28 15:52:48.380000000 +0200
@@ -20,10 +20,10 @@
 
 _INSTALL_SCHEMES = {
     'posix_prefix': {
-        'stdlib': '{installed_base}/lib/python{py_version_short}',
-        'platstdlib': '{platbase}/lib/python{py_version_short}',
+        'stdlib': '{installed_base}/lib64/python{py_version_short}',
+        'platstdlib': '{platbase}/lib64/python{py_version_short}',
         'purelib': '{base}/lib/python{py_version_short}/site-packages',
-        'platlib': '{platbase}/lib/python{py_version_short}/site-packages',
+        'platlib': '{platbase}/lib64/python{py_version_short}/site-packages',
         'include':
             '{installed_base}/include/python{py_version_short}{abiflags}',
         'platinclude':
@@ -62,10 +62,10 @@
         'data': '{userbase}',
         },
     'posix_user': {
-        'stdlib': '{userbase}/lib/python{py_version_short}',
-        'platstdlib': '{userbase}/lib/python{py_version_short}',
+        'stdlib': '{userbase}/lib64/python{py_version_short}',
+        'platstdlib': '{userbase}/lib64/python{py_version_short}',
         'purelib': '{userbase}/lib/python{py_version_short}/site-packages',
-        'platlib': '{userbase}/lib/python{py_version_short}/site-packages',
+        'platlib': '{userbase}/lib64/python{py_version_short}/site-packages',
         'include': '{userbase}/include/python{py_version_short}',
         'scripts': '{userbase}/bin',
         'data': '{userbase}',
diff -ru Python-3.7.4.orig/Lib/test/test_site.py Python-3.7.4/Lib/test/test_site.py
--- Python-3.7.4.orig/Lib/test/test_site.py	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Lib/test/test_site.py	2019-08-28 15:52:48.380000000 +0200
@@ -270,7 +270,7 @@
         if os.sep == '/':
             # OS X, Linux, FreeBSD, etc
             self.assertEqual(len(dirs), 1)
-            wanted = os.path.join('xoxo', 'lib',
+            wanted = os.path.join('xoxo', 'lib64',
                                   'python%d.%d' % sys.version_info[:2],
                                   'site-packages')
             self.assertEqual(dirs[0], wanted)
@@ -278,7 +278,7 @@
             # other platforms
             self.assertEqual(len(dirs), 2)
             self.assertEqual(dirs[0], 'xoxo')
-            wanted = os.path.join('xoxo', 'lib', 'site-packages')
+            wanted = os.path.join('xoxo', 'lib64', 'site-packages')
             self.assertEqual(dirs[1], wanted)
 
     def test_no_home_directory(self):
diff -ru Python-3.7.4.orig/Makefile.pre.in Python-3.7.4/Makefile.pre.in
--- Python-3.7.4.orig/Makefile.pre.in	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Makefile.pre.in	2019-08-28 15:52:48.381000000 +0200
@@ -144,7 +144,7 @@
 MANDIR=		@mandir@
 INCLUDEDIR=	@includedir@
 CONFINCLUDEDIR=	$(exec_prefix)/include
-SCRIPTDIR=	$(prefix)/lib
+SCRIPTDIR=	$(prefix)/lib64
 ABIFLAGS=	@ABIFLAGS@
 
 # Detailed destination directories
diff -ru Python-3.7.4.orig/Modules/getpath.c Python-3.7.4/Modules/getpath.c
--- Python-3.7.4.orig/Modules/getpath.c	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/Modules/getpath.c	2019-08-28 15:52:48.382000000 +0200
@@ -787,7 +787,7 @@
     else {
         wcsncpy(calculate->zip_path, calculate->prefix, MAXPATHLEN);
     }
-    joinpath(calculate->zip_path, L"lib/python00.zip");
+    joinpath(calculate->zip_path, L"lib64/python00.zip");
 
     /* Replace "00" with version */
     size_t bufsz = wcslen(calculate->zip_path);
@@ -912,7 +912,7 @@
     if (!calculate->prefix) {
         return DECODE_LOCALE_ERR("EXEC_PREFIX define", len);
     }
-    calculate->lib_python = Py_DecodeLocale("lib/python" VERSION, &len);
+    calculate->lib_python = Py_DecodeLocale("lib64/python" VERSION, &len);
     if (!calculate->lib_python) {
         return DECODE_LOCALE_ERR("EXEC_PREFIX define", len);
     }
diff -ru Python-3.7.4.orig/setup.py Python-3.7.4/setup.py
--- Python-3.7.4.orig/setup.py	2019-07-08 20:03:50.000000000 +0200
+++ Python-3.7.4/setup.py	2019-08-28 15:52:48.384000000 +0200
@@ -585,7 +585,7 @@
         # directories (i.e. '.' and 'Include') must be first.  See issue
         # 10520.
         if not cross_compiling:
-            add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
+            add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib64')
             add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
         # only change this for cross builds for 3.3, issues on Mageia
         if cross_compiling: