added --without-man option similar to --without-docs

(part of BUG#5379)

Makefile.am

@@ -22,7 +22,7 @@ AUTOMAKE_OPTIONS =	foreign
 EXTRA_DIST =		INSTALL-SOURCE README COPYING EXCEPTIONS-CLIENT
 SUBDIRS =		. include @docs_dirs@ @readline_dir@ \
 			@thread_dirs@ pstack @sql_client_dirs@ \
-			@sql_server_dirs@ scripts man tests \
+			@sql_server_dirs@ scripts @man_dirs@ tests \
 			BUILD netware os2 @libmysqld_dirs@ \
 			@bench_dirs@ support-files @fs_dirs@ @tools_dirs@
 

configure.in

@@ -2181,6 +2181,21 @@ else
 fi
 AC_SUBST(docs_dirs)
 
+# Shall we build the man pages?
+AC_ARG_WITH(man,
+    [  --without-man          Skip building of the man pages.],
+    [with_man=$withval],
+    [with_man=yes]
+)
+
+if test "$with_man" = "yes"
+then
+  man_dirs="man"
+else
+  man_dirs=""
+fi
+AC_SUBST(man_dirs)
+
 # Shall we build the bench code?
 AC_ARG_WITH(bench,
     [  --without-bench         Skip building of the benchmark suite.],