--- /dev/null
+Add a backport of http://bugs.python.org/issue16235 so we can use
+python-config for cross builds.
+This basically replaces the python version of python-config with a pure-shell
+version that's already preprocessed when installed and doesn't depend
+on the sysconfig import that usually leads to bad data/results.
+
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+
+Index: b/configure.ac
+===================================================================
+--- a/configure.ac
++++ b/configure.ac
+@@ -882,6 +882,7 @@
+
+ # Other platforms follow
+ if test $enable_shared = "yes"; then
++ PY_ENABLE_SHARED=1
+ AC_DEFINE(Py_ENABLE_SHARED, 1, [Defined if Python is built as a shared library.])
+ case $ac_sys_system in
+ BeOS*)
+@@ -942,6 +943,7 @@
+
+ esac
+ else # shared is disabled
++ PY_ENABLE_SHARED=0
+ case $ac_sys_system in
+ CYGWIN*)
+ BLDLIBRARY='$(LIBRARY)'
+@@ -1918,6 +1920,9 @@
+ AC_SUBST(BLDSHARED)
+ AC_SUBST(CCSHARED)
+ AC_SUBST(LINKFORSHARED)
++AC_SUBST(PY_ENABLE_SHARED)
++LIBPL="${prefix}/lib/python${VERSION}/config"
++AC_SUBST(LIBPL)
+ # SO is the extension of shared libraries `(including the dot!)
+ # -- usually .so, .sl on HP-UX, .dll on Cygwin
+ AC_MSG_CHECKING(SO)
+@@ -4581,7 +4586,7 @@
+ AC_SUBST(ENSUREPIP)
+
+ # generate output files
+-AC_CONFIG_FILES(Makefile.pre Modules/Setup.config Misc/python.pc)
++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])
+ AC_OUTPUT
+
+Index: b/Makefile.pre.in
+===================================================================
+--- a/Makefile.pre.in
++++ b/Makefile.pre.in
+@@ -166,7 +166,7 @@
+ SUBDIRSTOO= Include Lib Misc Demo
+
+ # Files and directories to be distributed
+-CONFIGFILES= configure configure.ac acconfig.h pyconfig.h.in Makefile.pre.in
++CONFIGFILES= configure configure.ac acconfig.h pyconfig.h.in Makefile.pre.in Misc/python-config.sh
+ DISTFILES= README ChangeLog $(CONFIGFILES)
+ DISTDIRS= $(SUBDIRS) $(SUBDIRSTOO) Ext-dummy
+ DIST= $(DISTFILES) $(DISTDIRS)
+@@ -410,7 +410,7 @@
+
+ # Default target
+ all: build_all
+-build_all: $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks
++build_all: $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks python-config
+
+ # Compile a binary with gcc profile guided optimization.
+ profile-opt:
+@@ -1101,10 +1101,12 @@
+ fi; \
+ cd $(srcdir)/Lib/$(PLATDIR); $(RUNSHARED) ./regen
+
+-python-config: $(srcdir)/Misc/python-config.in
++python-config: $(srcdir)/Misc/python-config.in Misc/python-config.sh
+ # Substitution happens here, as the completely-expanded BINDIR
+ # is not available in configure
+- sed -e "s,@EXENAME@,$(BINDIR)/python$(VERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config
++ sed -e "s,@EXENAME@,$(BINDIR)/python$(VERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config.py
++ # Replace makefile compat. variable references with shell script compat. ones; $(VAR) -> ${VAR}
++ sed -e 's,\$$(\([A-Za-z0-9_]*\)),\$$\{\1\},g' Misc/python-config.sh >python-config
+
+ # Install the include files
+ INCLDIRSTOMAKE=$(INCLUDEDIR) $(CONFINCLUDEDIR) $(INCLUDEPY) $(CONFINCLUDEPY)
+@@ -1163,7 +1165,7 @@
+ $(INSTALL_SCRIPT) $(srcdir)/Modules/makesetup $(DESTDIR)$(LIBPL)/makesetup
+ $(INSTALL_SCRIPT) $(srcdir)/install-sh $(DESTDIR)$(LIBPL)/install-sh
+ $(INSTALL_SCRIPT) python-config $(DESTDIR)$(BINDIR)/python$(VERSION)-config
+- rm python-config
++ $(INSTALL_SCRIPT) python-config.py $(DESTDIR)$(LIBPL)/python-config.py
+ @if [ -s Modules/python.exp -a \
+ "`echo $(MACHDEP) | sed 's/^\(...\).*/\1/'`" = "aix" ]; then \
+ echo; echo "Installing support files for building shared extension modules on AIX:"; \
+@@ -1345,6 +1347,7 @@
+ config.cache config.log pyconfig.h Modules/config.c
+ -rm -rf build platform
+ -rm -rf $(PYTHONFRAMEWORKDIR)
++ -rm -f python-config.py python-config
+
+ # Make things extra clean, before making a distribution:
+ # remove all generated files, even Makefile[.pre]
+Index: b/Misc/python-config.sh.in
+===================================================================
+--- /dev/null
++++ b/Misc/python-config.sh.in
+@@ -0,0 +1,102 @@
++#!/bin/sh
++
++exit_with_usage ()
++{
++ echo "Usage: $0 --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--configdir"
++ exit $1
++}
++
++if [ "$1" = "" ] ; then
++ exit_with_usage 1
++fi
++
++# Returns the actual prefix where this script was installed to.
++installed_prefix ()
++{
++ RESULT=$(dirname $(cd $(dirname "$1") && pwd -P))
++ if which readlink >/dev/null 2>&1 ; then
++ RESULT=$(readlink -f "$RESULT")
++ fi
++ echo $RESULT
++}
++
++prefix_build="@prefix@"
++prefix_real=$(installed_prefix "$0")
++
++# Use sed to fix paths from their built to locations to their installed to locations.
++prefix=$(echo "$prefix_build" | sed "s#$prefix_build#$prefix_real#")
++exec_prefix_build="@exec_prefix@"
++exec_prefix=$(echo "$exec_prefix_build" | sed "s#$exec_prefix_build#$prefix_real#")
++includedir=$(echo "@includedir@")
++libdir=$(echo "@libdir@" | sed "s#$prefix_build#$prefix_real#")
++CFLAGS=$(echo "@CFLAGS@" | sed "s#$prefix_build#$prefix_real#")
++VERSION="@VERSION@"
++LIBM="@LIBM@"
++LIBC="@LIBC@"
++SYSLIBS="$LIBM $LIBC"
++LIBS="@LIBS@ $SYSLIBS -lpython${VERSION}"
++BASECFLAGS="@BASECFLAGS@"
++LDLIBRARY="@LDLIBRARY@"
++LINKFORSHARED="@LINKFORSHARED@"
++OPT="@OPT@"
++PY_ENABLE_SHARED="@PY_ENABLE_SHARED@"
++LDVERSION="@LDVERSION@"
++LIBDEST=${prefix}/lib/python${VERSION}
++LIBPL=$(echo "@LIBPL@" | sed "s#$prefix_build#$prefix_real#")
++SO="@SO@"
++PYTHONFRAMEWORK="@PYTHONFRAMEWORK@"
++INCDIR="-I$includedir/python${VERSION}"
++PLATINCDIR="-I$includedir/python${VERSION}"
++
++# Scan for --help or unknown argument.
++for ARG in $*
++do
++ case $ARG in
++ --help)
++ exit_with_usage 0
++ ;;
++ --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--abiflags|--configdir)
++ ;;
++ *)
++ exit_with_usage 1
++ ;;
++esac
++done
++
++for ARG in "$@"
++do
++ case "$ARG" in
++ --prefix)
++ echo "$prefix"
++ ;;
++ --exec-prefix)
++ echo "$exec_prefix"
++ ;;
++ --includes)
++ echo "$INCDIR $PLATINCDIR"
++ ;;
++ --cflags)
++ echo "$INCDIR $PLATINCDIR $BASECFLAGS $CFLAGS $OPT"
++ ;;
++ --libs)
++ echo "$LIBS"
++ ;;
++ --ldflags)
++ LINKFORSHAREDUSED=
++ if [ -z "$PYTHONFRAMEWORK" ] ; then
++ LINKFORSHAREDUSED=$LINKFORSHARED
++ fi
++ LIBPLUSED=
++ if [ "$PY_ENABLE_SHARED" = "0" ] ; then
++ LIBPLUSED="-L$LIBPL"
++ fi
++ echo "$LIBPLUSED -L$libdir $LIBS $LINKFORSHAREDUSED"
++ ;;
++ --extension-suffix)
++ echo "$SO"
++ ;;
++ --configdir)
++ echo "$LIBPL"
++ ;;
++esac
++done
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