diff --git a/docker/ac_override_2 b/docker/ac_override_2
new file mode 100644
index 00000000..4652826c
--- /dev/null
+++ b/docker/ac_override_2
@@ -0,0 +1,18 @@
+AC_DEFUN([PHP_CHECK_LIBRARY], [
+  save_old_LDFLAGS=$LDFLAGS
+  ac_stuff="$5"
+
+  save_ext_shared=$ext_shared
+  ext_shared=yes
+  PHP_EVAL_LIBLINE([$]ac_stuff, LDFLAGS)
+  AC_CHECK_LIB([$1],[$2],[
+    LDFLAGS=$save_old_LDFLAGS
+    ext_shared=$save_ext_shared
+    $3
+  ],[
+    LDFLAGS=$save_old_LDFLAGS
+    ext_shared=$save_ext_shared
+    unset ac_cv_lib_$1[]_$2
+    $4
+  ])dnl
+])