python: Fix python not always installing pip/setuptools

extra/python/build

@@ -1,11 +1,13 @@
 #!/bin/sh -e
 
+patch -p1 < python3-always-pip.patch
+
 ./configure \
     --prefix=/usr \
     --enable-shared \
     --with-system-expat \
     --with-system-ffi \
-    --with-ensurepip=install
+    --with-ensurepip=yes
 
 make
 make DESTDIR="$1" install

extra/python/checksums

@@ -1 +1,2 @@
 fb799134b868199930b75f26678f18932214042639cd52b16da7fd134cd9b13f  Python-3.7.4.tar.xz
+1a184c64f85d7a2fb57642135ea298ddd005684c5bd3e601b932cf31b82b9417  python3-always-pip.patch

extra/python/patches/python3-always-pip.patch

@@ -0,0 +1,13 @@
+diff --git a/Lib/ensurepip/__init__.py b/Lib/ensurepip/__init__.py
+index 526dfd0..d85dc33 100644
+--- a/Lib/ensurepip/__init__.py
++++ b/Lib/ensurepip/__init__.py
+@@ -104,7 +104,7 @@ def _bootstrap(*, root=None, upgrade=False, user=False,
+             additional_paths.append(os.path.join(tmpdir, wheel_name))
+ 
+         # Construct the arguments to be passed to the pip command
+-        args = ["install", "--no-index", "--find-links", tmpdir]
++        args = ["install", "-I", "--no-index", "--find-links", tmpdir]
+         if root:
+             args += ["--root", root]
+         if upgrade:

extra/python/sources

@@ -1 +1,2 @@
 https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz
+patches/python3-always-pip.patch

extra/python/version

@@ -1 +1 @@
-3.7.4 4
+3.7.4 5