Bison is required while running automake tools.

slapos/profile/xtrabackup.cfg

@@ -5,6 +5,7 @@
 extends =
   autoconf.cfg
   automake.cfg
+  bison.cfg
   flex.cfg
   libtool.cfg
   ncurses.cfg
@@ -33,6 +34,6 @@ configure-command = utils/build.sh innodb51_builtin ${:location} ${libtool:locat
 environment =
   CPPFLAGS =-I${zlib:location}/include -I${ncurses:location}/include -I${readline:location}/include
   LDFLAGS =-L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib -L${ncurses:location}/lib -Wl,-rpath -Wl,${ncurses:location}/lib -L${readline:location}/lib -Wl,-rpath -Wl,${readline:location}/lib
-  PATH=${autoconf:location}/bin:${automake-1.11:location}/bin:${libtool:location}/bin:${flex:location}/bin:%(PATH)s
+  PATH=${autoconf:location}/bin:${automake-1.11:location}/bin:${libtool:location}/bin:${flex:location}/bin:%(PATH)s:${bison:location}/bin
 make-options =
   -j1