[oe] [meta-handheld][PATCH 2/2] formfactor, keymaps, udev: use better form of PRINC

[Martin Jansa]

* this way we can stack multiple bbappends from different layers without overwritting PRINC value

Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
---
 recipes-bsp/formfactor/formfactor_0.0.bbappend |    2 +-
 recipes-bsp/keymaps/keymaps_1.0.bbappend       |    2 +-
 recipes-core/udev/udev_173.bbappend            |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/recipes-bsp/formfactor/formfactor_0.0.bbappend b/recipes-bsp/formfactor/formfactor_0.0.bbappend
index 5152da5..e406684 100644
--- a/recipes-bsp/formfactor/formfactor_0.0.bbappend
+++ b/recipes-bsp/formfactor/formfactor_0.0.bbappend
@@ -1,4 +1,4 @@
-PRINC = "1"
+PRINC := "${@int(PRINC) + 1}"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 
diff --git a/recipes-bsp/keymaps/keymaps_1.0.bbappend b/recipes-bsp/keymaps/keymaps_1.0.bbappend
index 039b30c..ca8e236 100644
--- a/recipes-bsp/keymaps/keymaps_1.0.bbappend
+++ b/recipes-bsp/keymaps/keymaps_1.0.bbappend
@@ -1,4 +1,4 @@
-PRINC = "2"
+PRINC := "${@int(PRINC) + 2}"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 
diff --git a/recipes-core/udev/udev_173.bbappend b/recipes-core/udev/udev_173.bbappend
index 4770c5b..446ea84 100644
--- a/recipes-core/udev/udev_173.bbappend
+++ b/recipes-core/udev/udev_173.bbappend
@@ -1,5 +1,5 @@
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
-PRINC = "1"
+PRINC := "${@int(PRINC) + 1}"
 
-- 
1.7.8.5