1 files changed, 29 insertions, 0 deletions
diff --git a/config/ac-macros/ha_blackhole.m4 b/config/ac-macros/ha_blackhole.m4
new file mode 100644
index 00000000000..cc4d360f5a8
--- /dev/null
+++ b/config/ac-macros/ha_blackhole.m4
@@ -0,0 +1,29 @@
+dnl ---------------------------------------------------------------------------
+dnl Macro: MYSQL_CHECK_BLACKHOLEDB
+dnl Sets HAVE_BLACKHOLE_DB if --with-blackhole-storage-engine is used
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([MYSQL_CHECK_BLACKHOLEDB], [
+  AC_ARG_WITH([blackhole-storage-engine],
+              [
+  --with-blackhole-storage-engine
+                          Enable the Blackhole Storage Engine],
+              [blackholedb="$withval"],
+              [blackholedb=no])
+  AC_MSG_CHECKING([for blackhole storage engine])
+
+  case "$blackholedb" in
+    yes )
+      AC_DEFINE([HAVE_BLACKHOLE_DB], [1], [Builds Blackhole Storage Engine])
+      AC_MSG_RESULT([yes])
+      [blackholedb=yes]
+      ;;
+    * )
+      AC_MSG_RESULT([no])
+      [blackholedb=no]
+      ;;
+  esac
+
+])
+dnl ---------------------------------------------------------------------------
+dnl END OF MYSQL_CHECK_BLACKHOLE SECTION
+dnl ---------------------------------------------------------------------------