Python: support building with subversion 1.7

Applied upstream patch for upstream issue #6094

See:
* http://bugs.python.org/issue6094
* http://hg.python.org/cpython/rev/150986ab3db2/

python/Python-subversion-1-7.patch

+diff -uNrp misc/Python-2.6.1/configure misc/build/Python-2.6.1/configure
+--- misc/Python-2.6.1/configure	2012-06-09 16:56:26.914428547 -0300
++++ misc/build/Python-2.6.1/configure	2012-06-09 16:58:30.606432414 -0300
+@@ -4332,7 +4332,7 @@ if test $SVNVERSION = found
+ then
+ 	SVNVERSION="svnversion \$(srcdir)"
+ else
+-	SVNVERSION="echo exported"
++	SVNVERSION="echo Unversioned directory"
+ fi
+ 
+ case $MACHDEP in
+diff -uNrp misc/Python-2.6.1/configure.in misc/build/Python-2.6.1/configure.in
+--- misc/Python-2.6.1/configure.in	2012-06-09 16:56:26.917428547 -0300
++++ misc/build/Python-2.6.1/configure.in	2012-06-09 16:58:30.612432414 -0300
+@@ -760,7 +760,7 @@ if test $SVNVERSION = found
+ then
+ 	SVNVERSION="svnversion \$(srcdir)"
+ else
+-	SVNVERSION="echo exported"
++	SVNVERSION="echo Unversioned directory"
+ fi
+ 
+ case $MACHDEP in
+diff -uNrp misc/Python-2.6.1/Makefile.pre.in misc/build/Python-2.6.1/Makefile.pre.in
+--- misc/Python-2.6.1/Makefile.pre.in	2012-06-09 16:56:26.907428547 -0300
++++ misc/build/Python-2.6.1/Makefile.pre.in	2012-06-09 16:58:30.587432414 -0300
+@@ -498,7 +498,7 @@ Modules/getbuildinfo.o: $(PARSER_OBJS) \
+ 		$(SIGNAL_OBJS) \
+ 		$(MODOBJS) \
+ 		$(srcdir)/Modules/getbuildinfo.c
+-	$(CC) -c $(PY_CFLAGS) -DSVNVERSION=\"`LC_ALL=C $(SVNVERSION)`\" -o $@ $(srcdir)/Modules/getbuildinfo.c
++	$(CC) -c $(PY_CFLAGS) -DSVNVERSION="\"`LC_ALL=C $(SVNVERSION)`\"" -o $@ $(srcdir)/Modules/getbuildinfo.c
+ 
+ Modules/getpath.o: $(srcdir)/Modules/getpath.c Makefile
+ 	$(CC) -c $(PY_CFLAGS) -DPYTHONPATH='"$(PYTHONPATH)"' \
+diff -uNrp misc/Python-2.6.1/Misc/ACKS misc/build/Python-2.6.1/Misc/ACKS
+--- misc/Python-2.6.1/Misc/ACKS	2008-11-03 13:18:30.000000000 -0200
++++ misc/build/Python-2.6.1/Misc/ACKS	2012-06-09 16:58:30.588432414 -0300
+@@ -21,6 +21,7 @@ John Anderson
+ Erik Andersn
+ Oliver Andrich
+ Ross Andrus
++Arfrever Frehtes Taifersar Arahesis
+ Jason Asbahr
+ David Ascher
+ Chris AtLee
+diff -uNrp misc/Python-2.6.1/Modules/getbuildinfo.c misc/build/Python-2.6.1/Modules/getbuildinfo.c
+--- misc/Python-2.6.1/Modules/getbuildinfo.c	2007-06-07 20:53:49.000000000 -0300
++++ misc/build/Python-2.6.1/Modules/getbuildinfo.c	2012-06-09 16:58:30.593432414 -0300
+@@ -48,5 +48,5 @@ _Py_svnversion(void)
+ 	static const char svnversion[] = SVNVERSION;
+ 	if (svnversion[0] != '$')
+ 		return svnversion; /* it was interpolated, or passed on command line */
+-	return "exported";
++	return "Unversioned directory";
+ }
+diff -uNrp misc/Python-2.6.1/Python/sysmodule.c misc/build/Python-2.6.1/Python/sysmodule.c
+--- misc/Python-2.6.1/Python/sysmodule.c	2008-07-10 14:13:55.000000000 -0300
++++ misc/build/Python-2.6.1/Python/sysmodule.c	2012-06-09 16:58:30.595432414 -0300
+@@ -1161,7 +1161,7 @@ svnversion_init(void)
+ 
+ 
+ 	svnversion = _Py_svnversion();
+-	if (strcmp(svnversion, "exported") != 0)
++	if (strcmp(svnversion, "Unversioned directory") != 0 && strcmp(svnversion, "exported") != 0)
+ 		svn_revision = svnversion;
+ 	else if (istag) {
+ 		len = strlen(_patchlevel_revision);

python/makefile.mk

@@ -50,7 +50,8 @@ PATCH_FILES=\
     Python-2.6.1-sysbase.patch\
     Python-2.6.1-nohardlink.patch \
     Python-disable-dbm.patch \
-    Python-linux3.patch
+    Python-linux3.patch \
+    Python-subversion-1-7.patch
 
 CONFIGURE_DIR=