Cross compiling needs host and build settings. configure no longer

creates a broken PYTHON_FOR_BUILD variable when --build is missing.

1 files changed, 2 insertions, 0 deletions

diff --git a/configure b/configure
index 5fc460f2f2..6407cc4b68 100755
--- a/configure
+++ b/configure
@@ -2943,6 +2943,8 @@ $as_echo_n "checking for python interpreter for cross build... " >&6; }
 $as_echo "$interp" >&6; }
 	PYTHON_FOR_BUILD="_PYTHON_PROJECT_BASE=$srcdir"' _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(srcdir)/Lib:$(srcdir)/Lib/plat-$(MACHDEP) '$interp
     fi
+elif test "$cross_compiling" = maybe; then
+    as_fn_error $? "Cross compiling required --host=HOST-TUPLE and --build=ARCH" "$LINENO" 5
 else
     PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
 fi