Issue #22524: Fix os.scandir() for platforms which don't have a d_type field in
the dirent structure (ex: OpenIndiana).
diff --git a/configure.ac b/configure.ac
index a2c5eb4..263ae15 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4944,6 +4944,26 @@
AC_MSG_RESULT($ENSUREPIP)
AC_SUBST(ENSUREPIP)
+# check if the dirent structure of a d_type field and DT_UNKNOWN is defined
+AC_MSG_CHECKING(if the dirent structure of a d_type field)
+AC_LINK_IFELSE(
+[
+ AC_LANG_SOURCE([[
+ #include <dirent.h>
+
+ int main() {
+ struct dirent entry;
+ return entry.d_type == DT_UNKNOWN;
+ }
+ ]])
+],[have_dirent_d_type=yes],[have_dirent_d_type=no])
+AC_MSG_RESULT($have_dirent_d_type)
+
+if test "$have_dirent_d_type" = yes; then
+ AC_DEFINE(HAVE_DIRENT_D_TYPE, 1,
+ [Define to 1 if the dirent structure has a d_type field])
+fi
+
# generate output files
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])