Comment 5 for bug 1389935

Compiling webscalesql is failing. Even after installing readline-devel (it's needed), I get this;

[ 96%] Building CXX object client/CMakeFiles/mysql.dir/mysql.cc.o
/bzr/webscalesql-5.6-webscalesql-5.6.21/client/mysql.cc:1102:16: error: redefinition of 'struct _hist_entry'
 typedef struct _hist_entry {
                ^
In file included from /bzr/webscalesql-5.6-webscalesql-5.6.21/client/mysql.cc:101:0:
/usr/include/readline/history.h:46:16: error: previous definition of 'struct _hist_entry'
 typedef struct _hist_entry {
                ^
/bzr/webscalesql-5.6-webscalesql-5.6.21/client/mysql.cc:1105:13: error: invalid type in declaration before ';' token
 } HIST_ENTRY;
             ^
/bzr/webscalesql-5.6-webscalesql-5.6.21/client/mysql.cc:1105:13: error: conflicting declaration 'typedef int HIST_ENTRY'
In file included from /bzr/webscalesql-5.6-webscalesql-5.6.21/client/mysql.cc:101:0:
/usr/include/readline/history.h:50:3: error: 'HIST_ENTRY' has a previous declaration as 'typedef struct _hist_entry HIST_ENTRY'
 } HIST_ENTRY;
   ^
make[2]: *** [client/CMakeFiles/mysql.dir/mysql.cc.o] Error 1
make[1]: *** [client/CMakeFiles/mysql.dir/all] Error 2
make: *** [all] Error 2

Any ideas?