# HG changeset patch
# Parent 2248b9fbab3995f328794cbef41f1a59119485ea
Issue #19533: PEP 453 - add --with-ensurepip[=upgrade|install|no] to configure

diff a/Makefile.pre.in b/Makefile.pre.in
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -154,6 +154,9 @@
 # Environment to run shared python without installed libraries
 RUNSHARED=       @RUNSHARED@
 
+# ensurepip options
+ENSUREPIP=      @ENSUREPIP@
+
 # Modes for directories, executables and data files created by the
 # install process.  Default to user-only-writable for all file types.
 DIRMODE=	755
@@ -953,10 +956,30 @@
 		$(TESTRUNNER) $(QUICKTESTOPTS)
 
 
-install: altinstall bininstall maninstall
+install: commoninstall bininstall maninstall
+	if test "x$(ENSUREPIP)" != "xno"  ; then \
+		case $(ENSUREPIP) in \
+			upgrade) ensurepip="--upgrade" ;; \
+			install|*) ensurepip="" ;; \
+		esac; \
+		$(RUNSHARED) $(PYTHON_FOR_BUILD) -m ensurepip \
+			$$ensurepip --root=$(DESTDIR)/ ; \
+	fi
 
-altinstall:	@FRAMEWORKALTINSTALLFIRST@ altbininstall libinstall inclinstall libainstall \
-                sharedinstall oldsharedinstall altmaninstall @FRAMEWORKALTINSTALLLAST@
+altinstall: commoninstall
+	if test "x$(ENSUREPIP)" != "xno"  ; then \
+		case $(ENSUREPIP) in \
+			upgrade) ensurepip="--altinstall --upgrade" ;; \
+			install|*) ensurepip="--altinstall" ;; \
+		esac; \
+		$(RUNSHARED) $(PYTHON_FOR_BUILD) -m ensurepip \
+			$$ensurepip --root=$(DESTDIR)/ ; \
+	fi
+
+commoninstall:	@FRAMEWORKALTINSTALLFIRST@ \
+				altbininstall libinstall inclinstall libainstall \
+				sharedinstall oldsharedinstall altmaninstall \
+				@FRAMEWORKALTINSTALLLAST@
 
 # Install shared libraries enabled by Setup
 DESTDIRS=	$(exec_prefix) $(LIBDIR) $(BINLIBDEST) $(DESTSHARED)
@@ -1541,7 +1564,7 @@
 .PHONY: frameworkinstall frameworkinstallframework frameworkinstallstructure
 .PHONY: frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools
 .PHONY: frameworkaltinstallunixtools recheck autoconf clean clobber distclean
-.PHONY: smelly funny patchcheck touch altmaninstall
+.PHONY: smelly funny patchcheck touch altmaninstall commoninstall
 .PHONY: gdbhooks
 
 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
diff a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -4693,6 +4693,21 @@
     esac
 fi
 
+# ensurepip option
+AC_MSG_CHECKING(for ensurepip)
+AC_ARG_WITH(ensurepip,
+    [AS_HELP_STRING([--with(out)-ensurepip=@<:@=upgrade@:>@],
+        ["install" or "upgrade" using bundled pip])],
+    [],
+    [with_ensurepip=upgrade])
+AS_CASE($with_ensurepip,
+    [yes|upgrade],[ENSUREPIP=upgrade],
+    [install],[ENSUREPIP=install],
+    [no],[ENSUREPIP=no],
+    [AC_MSG_ERROR([--with-ensurepip=upgrade|install|no])])
+AC_MSG_RESULT($ENSUREPIP)
+AC_SUBST(ENSUREPIP)
+
 # generate output files
 AC_CONFIG_FILES(Makefile.pre Modules/Setup.config Misc/python.pc Misc/python-config.sh)
 AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix])