File Fix-Python-package-installation-use-root.patch of Package genders

From: Egbert Eich <eich@suse.com>
Date: Sat Jan 27 23:50:57 2018 +0100
Subject: Fix Python package installation: use --root
Patch-mainline: Not yet
Git-commit: f8aa6871f9ac452134c4077d47adef28d5e8a0a1
References: 

Python allows the use of an alternative installation directory
using the --root option. Do not code the root directory into
the --prefix and --exec-prefix paths.

Signed-off-by: Egbert Eich <eich@suse.com>
---
 src/extensions/python/Makefile.am | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/src/extensions/python/Makefile.am b/src/extensions/python/Makefile.am
index 5d62ae6..86ba50d 100644
--- a/src/extensions/python/Makefile.am
+++ b/src/extensions/python/Makefile.am
@@ -7,8 +7,8 @@
 # Use Python's distutils to make/install everything into the right place.
 
 # DESTDIR is usually set during make install time, not configure or
-# make time, so we work around it with the --with-extension-destdir
-# autoconf option.
+# make time, so we work around it with a shell command.
+PYDEST=$$(test -z "${DESTDIR}" || echo "--root=${DESTDIR}")
 
 PYTHON_DESTDIR = @EXTENSION_DESTDIR@
 
@@ -17,13 +17,13 @@
 	$(PYTHON) genderssetup.py build
 
 install:
-	$(PYTHON) genderssetup.py install --single-version-externally-managed --root=/ --prefix=$(PYTHON_DESTDIR)$(prefix) --exec-prefix=$(PYTHON_DESTDIR)$(exec_prefix)
+	$(PYTHON) genderssetup.py install --single-version-externally-managed --prefix=$(prefix) --exec-prefix=$(exec_prefix) $(PYDEST)
 
 pure_install:
-	$(PYTHON) genderssetup.py install --single-version-externally-managed --root=/ --prefix=$(PYTHON_DESTDIR)$(prefix) --exec-prefix=$(PYTHON_DESTDIR)$(exec_prefix)
+	$(PYTHON) genderssetup.py install --single-version-externally-managed --prefix=$(prefix) --exec-prefix=$(exec_prefix) $(PYDEST)
 
 install-data-local:
-	$(PYTHON) genderssetup.py install --single-version-externally-managed --root=/ --prefix=$(PYTHON_DESTDIR)$(prefix) --exec-prefix=$(PYTHON_DESTDIR)$(exec_prefix)
+	$(PYTHON) genderssetup.py install --single-version-externally-managed --prefix=$(prefix) --exec-prefix=$(exec_prefix) $(PYDEST)
 
 clean: 
 	rm -rf build