From 4769412daaff2be53cb7d7391d0a196acb6346c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Mon, 14 Oct 2013 16:05:19 +0200
Subject: erlang.mk now has built-in support for relx

---
 erlang.mk | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

(limited to 'erlang.mk')

diff --git a/erlang.mk b/erlang.mk
index 2c09cf8..6fc011e 100644
--- a/erlang.mk
+++ b/erlang.mk
@@ -24,7 +24,7 @@ export PKG_FILE
 PKG_FILE_URL ?= https://raw.github.com/extend/erlang.mk/master/packages.v1.tsv
 
 define get_pkg_file
-	wget -O $(PKG_FILE) $(PKG_FILE_URL)
+	wget -O $(PKG_FILE) $(PKG_FILE_URL) || rm $(PKG_FILE)
 endef
 
 # Verbosity and tweaks.
@@ -46,8 +46,35 @@ dtl_verbose = $(dtl_verbose_$(V))
 gen_verbose_0 = @echo " GEN   " $@;
 gen_verbose = $(gen_verbose_$(V))
 
-.PHONY: all clean-all app clean deps clean-deps docs clean-docs \
-	build-tests tests build-plt dialyze
+.PHONY: rel clean-rel all clean-all app clean deps clean-deps \
+	docs clean-docs build-tests tests build-plt dialyze
+
+# Release.
+
+RELX_CONFIG ?= $(CURDIR)/relx.config
+
+ifneq ($(wildcard $(RELX_CONFIG)),)
+
+RELX ?= $(CURDIR)/relx
+export RELX
+
+RELX_URL ?= https://github.com/erlware/relx/releases/download/0.4.0/relx
+
+define get_relx
+	wget -O $(RELX) $(RELX_URL) || rm $(RELX)
+	chmod +x $(RELX)
+endef
+
+rel: clean-rel all $(RELX)
+	@$(RELX)
+
+$(RELX):
+	@$(call get_relx)
+
+clean-rel:
+	@rm -rf _rel
+
+endif
 
 # Deps directory.
 
-- 
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