From 52b7080796355a01bde723af9944a61c40866dc4 Mon Sep 17 00:00:00 2001
From: Luca Stefani <luca020400@lineageos.org>
Date: Thu, 17 Aug 2017 22:23:22 +0200
Subject: [PATCH] vendor: Add project pathmap defs

Change-Id: I5357eadcf6efe6ddbd6686ed69db0d59114e0a5d
---
 build/core/pathmap.mk | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 build/core/pathmap.mk

diff --git a/build/core/pathmap.mk b/build/core/pathmap.mk
new file mode 100644
index 00000000..39a2b062
--- /dev/null
+++ b/build/core/pathmap.mk
@@ -0,0 +1,40 @@
+#
+# Returns the path to the requested module's include directory,
+# relative to the root of the source tree.  Does not handle external
+# modules.
+#
+# $(1): a list of modules (or other named entities) to find the includes for
+#
+define include-path-for
+$(foreach n,$(1),$(patsubst $(n):%,%,$(filter $(n):%,$(pathmap_INCL))))
+endef
+
+# Enter project path into pathmap
+#
+# $(1): name
+# $(2): path
+#
+define project-set-path
+$(eval pathmap_PROJ += $(1):$(2))
+endef
+
+# Enter variant project path into pathmap
+#
+# $(1): name
+# $(2): variable to check
+# $(3): base path
+#
+define project-set-path-variant
+    $(call project-set-path,$(1),$(strip \
+        $(if $($(2)), \
+            $(3)-$($(2)), \
+            $(3))))
+endef
+
+# Returns the path to the requested module's include directory,
+# relative to the root of the source tree.
+#
+# $(1): a list of modules (or other named entities) to find the projects for
+define project-path-for
+$(foreach n,$(1),$(patsubst $(n):%,%,$(filter $(n):%,$(pathmap_PROJ))))
+endef