Issue #28046: get_sysconfigdata_name() uses the _PYTHON_SYSCONFIGDATA_NAME
environment variable that is defined when cross-compiling.
diff --git a/configure.ac b/configure.ac
index 0eaa06c..731b930 100644
--- a/configure.ac
+++ b/configure.ac
@@ -78,7 +78,7 @@
AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
fi
AC_MSG_RESULT($interp)
- PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib '$interp
+ PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib _PYTHON_SYSCONFIGDATA_NAME=_sysconfigdata_$(ABIFLAGS)_$(MACHDEP)_$(MULTIARCH) '$interp
fi
# Used to comment out stuff for rebuilding generated files
GENERATED_COMMENT='#'