From ff467960024eccc2f6a578b020df2221a8fa1992 Mon Sep 17 00:00:00 2001
From: Martine Lenders <m.lenders@fu-berlin.de>
Date: Mon, 16 Jul 2018 15:14:52 +0200
Subject: [PATCH] make: make BUILDRELPATH dependent on selected path

When selecting a directory to build using `-C` with make
`BUILD_IN_DOCKER` will fail, because the `BUILDRELPATH` chooses the path
`make` is executed in, not the path selected by `-C`. This fixes this
bug by replacing `PWD` in the macro's definition with `CURDIR`.
---
 Makefile.include | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.include b/Makefile.include
index a89855b939..a809d22910 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -65,7 +65,7 @@ endif
 MAKEOVERRIDES += $(foreach v,$(__DIRECTORY_VARIABLES),$(v)=$($(v)))
 
 # Path to the current directory relative to RIOTPROJECT
-BUILDRELPATH ?= $(PWD:$(RIOTPROJECT)/%=%)/
+BUILDRELPATH ?= $(CURDIR:$(RIOTPROJECT)/%=%)/
 
 # get host operating system
 OS := $(shell uname)
-- 
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