--- setup.py.orig	2014-05-19 07:19:40.000000000 +0200
+++ setup.py	2014-06-18 09:50:55.950072020 +0200
@@ -17,7 +17,7 @@ from distutils.command.install_lib impor
 from distutils.command.build_scripts import build_scripts
 from distutils.spawn import find_executable
 
-cross_compiling = "_PYTHON_HOST_PLATFORM" in os.environ
+cross_compiling = ("_PYTHON_HOST_PLATFORM" in os.environ) or ('PYTHONXCPREFIX' in os.environ)
 
 def get_platform():
     # cross build
@@ -549,6 +549,11 @@ class PyBuildExt(build_ext):
         if host_platform == 'darwin':
             math_libs = []
 
+        # Insert libraries and headers from XBPS_CROSS_BASE
+        if 'XBPS_CROSS_BASE' in os.environ:
+            lib_dirs += [os.environ['XBPS_CROSS_BASE'] + '/usr/lib']
+            inc_dirs += [os.environ['XBPS_CROSS_BASE'] + '/usr/include']
+
         # XXX Omitted modules: gl, pure, dl, SGI-specific modules
 
         #
@@ -1852,8 +1857,13 @@ class PyBuildExt(build_ext):
 
                 # Pass empty CFLAGS because we'll just append the resulting
                 # CFLAGS to Python's; -g or -O2 is to be avoided.
-                cmd = "cd %s && env CFLAGS='' '%s/configure' %s" \
-                      % (ffi_builddir, ffi_srcdir, " ".join(config_args))
+                if cross_compiling:
+                    cmd = "cd %s && env CFLAGS='' '%s/configure' --host=%s --build=%s %s" \
+                        % (ffi_builddir, ffi_srcdir, os.environ.get('HOSTARCH'),
+                        os.environ.get('BUILDARCH'), " ".join(config_args))
+                else:
+                    cmd = "cd %s && env CFLAGS='' '%s/configure' %s" \
+                        % (ffi_builddir, ffi_srcdir, " ".join(config_args))
 
                 res = os.system(cmd)
                 if res or not os.path.exists(ffi_configfile):
--- Makefile.pre.in.orig	2017-07-08 05:33:27.000000000 +0200
+++ Makefile.pre.in	2017-08-27 19:49:11.114893045 +0200
@@ -1055,8 +1055,6 @@
 			upgrade) ensurepip="--upgrade" ;; \
 			install|*) ensurepip="" ;; \
 		esac; \
-		$(RUNSHARED) $(PYTHON_FOR_BUILD) -m ensurepip \
-			$$ensurepip --root=$(DESTDIR)/ ; \
 	fi
 
 altinstall: commoninstall
@@ -1065,8 +1063,6 @@
 			upgrade) ensurepip="--altinstall --upgrade" ;; \
 			install|*) ensurepip="--altinstall" ;; \
 		esac; \
-		$(RUNSHARED) $(PYTHON_FOR_BUILD) -m ensurepip \
-			$$ensurepip --root=$(DESTDIR)/ ; \
 	fi
 
 commoninstall:  @FRAMEWORKALTINSTALLFIRST@ \
@@ -1434,11 +1430,12 @@
 # Install the dynamically loadable modules
 # This goes into $(exec_prefix)
 sharedinstall: sharedmods
+	CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' \
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) $(srcdir)/setup.py install \
 	   	--prefix=$(prefix) \
-		--install-scripts=$(BINDIR) \
-		--install-platlib=$(DESTSHARED) \
-		--root=$(DESTDIR)/
+		--install-scripts=$(DESTDIR)$(BINDIR) \
+		--install-platlib=$(DESTDIR)$(DESTSHARED) \
+		--root=/
 	-rm $(DESTDIR)$(DESTSHARED)/_sysconfigdata_$(ABIFLAGS)_$(MACHDEP)_$(MULTIARCH).py
 	-rm -r $(DESTDIR)$(DESTSHARED)/__pycache__