extras/init.d: make install directory configurable with --with-initdir

configure.ac

@@ -141,6 +141,12 @@ AC_ARG_WITH(mountutildir,
             [mountutildir='/sbin'])
 AC_SUBST(mountutildir)
 
+AC_ARG_WITH(initdir,
+            [  --with-initdir=DIR init.d scripts in DIR @<:@/etc/init.d@:>@],
+            [initdir=$withval],
+            [initdir='/etc/init.d'])
+AC_SUBST(initdir)
+
 # LEX needs a check
 AC_PROG_LEX
 if test  "x${LEX}" != "xflex" -a "x${FLEX}" != "xlex"; then

extras/init.d/Makefile.am

@@ -3,7 +3,7 @@ EXTRA_DIST = glusterfsd-Debian glusterfsd-Redhat glusterfsd-SuSE glusterfs-serve
 
 CLEANFILES = 
 
-initdir = /etc/init.d
+initdir = @initdir@
 
 $(GF_DISTRIBUTION): 
 	$(mkdir_p) $(DESTDIR)$(initdir)