Bug #14035452 - MODULARIZE MYSQL_CLIENT_TEST

  Added new minimal client using same framework
  Added internal test using it
  Small changes to top level make/configure/cmake to have it built

CMakeLists.txt

@@ -310,3 +310,6 @@ IF(WITH_EMBEDDED_SERVER)
   ADD_SUBDIRECTORY(libmysqld/examples)
 ENDIF(WITH_EMBEDDED_SERVER)
 ADD_SUBDIRECTORY(mysql-test/lib/My/SafeProcess)
+IF(EXISTS ${CMAKE_SOURCE_DIR}/internal/CMakeLists.txt)
+  ADD_SUBDIRECTORY(internal)
+ENDIF()

Makefile.am

@@ -24,7 +24,7 @@ EXTRA_DIST =		INSTALL-SOURCE INSTALL-WIN-SOURCE \
 SUBDIRS =		. include @docs_dirs@ @zlib_dir@ \
 			@readline_topdir@ sql-common scripts \
 			@sql_union_dirs@ unittest \
-			@sql_server@ @man_dirs@ tests \
+			@sql_server@ @man_dirs@ tests internal \
 			netware @libmysqld_dirs@ \
 			mysql-test support-files sql-bench @tools_dirs@ \
 			win

configure.in

@@ -2849,6 +2849,10 @@ if test -d "$srcdir/cmd-line-utils/readline" ; then
   AC_CONFIG_FILES(cmd-line-utils/readline/Makefile)
 fi
 
+if test -d "$srcdir/internal" ; then
+  AC_CONFIG_FILES(internal/Makefile)
+fi
+
 AC_CONFIG_FILES(Makefile extra/Makefile mysys/Makefile dnl
  unittest/Makefile unittest/mytap/Makefile unittest/mytap/t/Makefile dnl
  unittest/mysys/Makefile unittest/strings/Makefile dnl