Updated python to 2.7.16

Makefile

 target all: LC_ALL=$(SYSTEM_LOCALE)
 all:
-	tar xf Python-2.7.15.tar.xz
-	patch -Np1 -d Python-2.7.15 < Python-2.7.15-test_io.patch
-	cd Python-2.7.15 && sed -i '/#SSL/,+3 s/^#//' Modules/Setup.dist
-	cd Python-2.7.15 && ./configure --build=$(CLFS_TARGET) --prefix=/usr --enable-shared --with-system-expat --with-system-ffi --with-ensurepip=yes --enable-unicode=ucs4 --enable-optimizations
-	$(MAKE) -C Python-2.7.15
+	tar xf Python-2.7.16.tar.xz
+	cd Python-2.7.16 && sed -i '/#SSL/,+3 s/^#//' Modules/Setup.dist
+	cd Python-2.7.16 && ./configure --build=$(CLFS_TARGET) --prefix=/usr --enable-shared --with-system-expat --with-system-ffi --with-ensurepip=yes --enable-unicode=ucs4 --enable-optimizations
+	$(MAKE) -C Python-2.7.16
 	if [[ ! "$(BUILD_OPTIONS)" =~ no-tests ]] ; then \
-	    $(MAKE) -C Python-2.7.15 test ; \
+	    $(MAKE) -C Python-2.7.16 test ; \
 	fi
-	$(MAKE) -C Python-2.7.15 install
+	$(MAKE) -C Python-2.7.16 install
 	chmod -v 755 /usr/lib/libpython2.7.so.1.0
-	rm -rf Python-2.7.15
+	rm -rf Python-2.7.16

Python-2.7.15-test_io.patch

-diff -uNr Python-2.7.15/Lib/test/test_io.py Python-2.7.15-test_io/Lib/test/test_io.py
---- Python-2.7.15/Lib/test/test_io.py	2018-04-30 08:17:33.000000000 +0930
-+++ Python-2.7.15-test_io/Lib/test/test_io.py	2018-12-19 15:19:16.942402617 +1030
-@@ -3146,7 +3146,7 @@
-         try:
-             wio = self.io.open(w, **fdopen_kwargs)
-             t.start()
--            signal.alarm(1)
-+            signal.alarm(2)
-             # Fill the pipe enough that the write will be blocking.
-             # It will be interrupted by the timer armed above.  Since the
-             # other thread has read one byte, the low-level write will
-@@ -3192,7 +3192,7 @@
-         r, w = os.pipe()
-         wio = self.io.open(w, **fdopen_kwargs)
-         try:
--            signal.alarm(1)
-+            signal.alarm(2)
-             # Either the reentrant call to wio.write() fails with RuntimeError,
-             # or the signal handler raises ZeroDivisionError.
-             with self.assertRaises((ZeroDivisionError, RuntimeError)) as cm:
-@@ -3227,7 +3227,7 @@
-         try:
-             rio = self.io.open(r, **fdopen_kwargs)
-             os.write(w, b"foo")
--            signal.alarm(1)
-+            signal.alarm(2)
-             # Expected behaviour:
-             # - first raw read() returns partial b"foo"
-             # - second raw read() returns EINTR
-@@ -3275,13 +3275,13 @@
-         t.daemon = True
-         def alarm1(sig, frame):
-             signal.signal(signal.SIGALRM, alarm2)
--            signal.alarm(1)
-+            signal.alarm(2)
-         def alarm2(sig, frame):
-             t.start()
-         signal.signal(signal.SIGALRM, alarm1)
-         try:
-             wio = self.io.open(w, **fdopen_kwargs)
--            signal.alarm(1)
-+            signal.alarm(2)
-             # Expected behaviour:
-             # - first raw write() is partial (because of the limited pipe buffer
-             #   and the first alarm)