Add support for mix to: ./configure --enable-rebar=mix

Makefile.in

@@ -1,4 +1,5 @@
 REBAR = @ESCRIPT@ @rebar@
+MIX = @rebar@
 INSTALL = @INSTALL@
 SED = @SED@
 ERL = @ERL@
@@ -97,17 +98,38 @@ ifneq ($(INSTALLGROUP),)
   G_USER=-g $(INSTALLGROUP)
 endif
 
-IS_REBAR3:=$(shell expr `$(REBAR) --version | awk -F '[ .]' '/rebar / {print $$2}'` '>=' 3)
+ifeq "$(MIX)" "mix"
+IS_REBAR:=6
+else
+IS_REBAR:=$(shell expr `$(REBAR) --version | awk -F '[ .]' '/rebar / {print $$2}'`)
+endif
 
-ifeq "$(IS_REBAR3)" "1"
+ifeq "$(IS_REBAR)" "6"
+  REBAR=$(MIX)
+  SKIPDEPS=
+  LISTDEPS=deps.tree
+  UPDATEDEPS=deps.update
+  DEPSPATTERN="s/.*─ \([a-z0-9_]*\) .*/\1/p;"
+  DEPSBASE=_build
+  DEPSDIR=$(DEPSBASE)/dev/lib
+  GET_DEPS= deps.get
+  CONFIGURE_DEPS=
+  EBINDIR=$(DEPSDIR)/ejabberd/ebin
+  REBARREL=MIX_ENV=prod $(REBAR) release --overwrite
+  REBARDEV=MIX_ENV=dev $(REBAR) release --overwrite
+else
+ifeq "$(IS_REBAR)" "3"
   SKIPDEPS=
   LISTDEPS=tree
   UPDATEDEPS=upgrade
   DEPSPATTERN="s/ (.*//; /^ / s/.* \([a-z0-9_]*\).*/\1/p;"
   DEPSBASE=_build
   DEPSDIR=$(DEPSBASE)/default/lib
+  GET_DEPS= get-deps
+  CONFIGURE_DEPS=$(REBAR) configure-deps
   EBINDIR=$(DEPSDIR)/ejabberd/ebin
-  REBARREL=as prod tar
+  REBARREL=$(REBAR) as prod tar
+  REBARDEV=REBAR_PROFILE=dev $(REBAR) release
 else
   SKIPDEPS=skip_deps=true
   LISTDEPS=-q list-deps
@@ -115,8 +137,12 @@ else
   DEPSPATTERN="/ TAG / s/ .*// p; / REV / s/ .*// p; / BRANCH / s/ .*// p;"
   DEPSBASE=deps
   DEPSDIR=$(DEPSBASE)
+  GET_DEPS= get-deps
+  CONFIGURE_DEPS=$(REBAR) configure-deps
   EBINDIR=ebin
-  REBARREL=generate
+  REBARREL=$(REBAR) generate
+  REBARDEV=
+endif
 endif
 
 all: deps src
@@ -127,10 +153,10 @@ $(DEPSDIR)/.got:
 	rm -rf $(DEPSDIR)/.got
 	rm -rf $(DEPSDIR)/.built
 	mkdir -p $(DEPSDIR)
-	$(REBAR) get-deps && :> $(DEPSDIR)/.got
+	$(REBAR) $(GET_DEPS) && :> $(DEPSDIR)/.got
 
 $(DEPSDIR)/.built: $(DEPSDIR)/.got
-	$(REBAR) configure-deps
+	$(CONFIGURE_DEPS)
 	$(REBAR) compile && :> $(DEPSDIR)/.built
 
 src: $(DEPSDIR)/.built
@@ -360,19 +386,19 @@ distclean: clean clean-rel
 	[ ! -f ../ChangeLog ] || rm -f ../ChangeLog
 
 rel:
-	$(REBAR) $(REBARREL)
+	$(REBARREL)
 
 DEV_CONFIG = _build/dev/rel/ejabberd/etc/ejabberd/ejabberd.yml
 
 dev $(DEV_CONFIG):
-	REBAR_PROFILE=dev rebar3 release
+	$(REBARDEV)
 
 TAGS:
 	etags *.erl
 
 Makefile: Makefile.in
 
-ifeq "$(IS_REBAR3)" "1"
+ifeq "$(IS_REBAR)" "3"
 dialyzer:
 	$(REBAR) dialyzer
 else

configure.ac

@@ -30,7 +30,7 @@ fi
 
 AC_ARG_WITH(rebar,
 	AC_HELP_STRING([--with-rebar=bin],
-		[use rebar specified]),
+		[use the rebar/rebar3/mix binary specified]),
 [if test "$withval" = "yes" -o "$withval" = "no" -o "X$with_rebar" = "X"; then
     rebar="rebar"
 else