Set PWD to the absolute path of the top tree.
Previously PWD is passed in as a shell environmental variable,
which does not point to top of the source tree if you run mm/mmm.
That in turn breaks mm/mmm if OUT_DIR_COMMON_BASE is set to an absolute
path.
Change-Id: Iac99d5668aee1bbd3cb9897750afc2149bd9f973
diff --git a/core/main.mk b/core/main.mk
index fa56b83..3c64d95 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -52,6 +52,11 @@
endif
endif
+# Absolute path of the present working direcotry.
+# This overrides the shell variable $PWD, which does not necessarily points to
+# the top of the source tree, for example when "make -C" is used in m/mm/mmm.
+PWD := $(shell pwd)
+
TOP := .
TOPDIR :=
