diff -ru3 RMySQL_orig/configure RMySQL/configure
--- RMySQL_orig/configure	2015-02-19 22:49:15.812455730 +0300
+++ RMySQL/configure	2015-02-19 22:49:42.066407256 +0300
@@ -1,7 +1,7 @@
 # If $MYSQL_DIR is specified, use that
 if [ "$MYSQL_DIR" ]; then
-  echo "PKG_CPPFLAGS= -I$MYSQL_DIR/include" > src/Makevars
-  echo "PKG_LIBS= -L$MYSQL_DIR/lib -lmysqlclient -lz" >> src/Makevars
+  echo "PKG_CPPFLAGS= -I$MYSQL_DIR/include/mysql" > src/Makevars
+  echo "PKG_LIBS= -L$MYSQL_DIR/lib/mysql -lmysqlclient -lz" >> src/Makevars
   exit 0
 fi