[Buildroot] [PATCH 3/6] system: provide no default for custom skeleton path

[Yann E. MORIN]

Being custom means that our default one is not suitable to start with.
So there is no reson to offer it as the default path.

Add a check that it is not empty.

Add a separating empty line, for good measure, too.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Romain Naour <romain.naour at openwide.fr>
Cc: Arnout Vandecappelle <arnout at mind.be>

---
Changes v2 -> v3:
  - add a check that it is not empty (Romain, Arnout)
---
 package/skeleton/skeleton.mk | 6 ++++++
 system/Config.in             | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/package/skeleton/skeleton.mk b/package/skeleton/skeleton.mk
index 7a7c200..d580fcb 100644
--- a/package/skeleton/skeleton.mk
+++ b/package/skeleton/skeleton.mk
@@ -17,6 +17,12 @@ ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
 
 SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))
 
+ifeq ($(BR_BUILDING),y)
+ifeq ($(SKELETON_PATH),)
+$(error No path specified for the custom skeleton)
+endif
+endif
+
 ifeq ($(BR2_ROOTFS_MERGED_USR),y)
 
 # Ensure the user has prepared a merged /usr.
diff --git a/system/Config.in b/system/Config.in
index b895db9..6fce8e1 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -184,9 +184,9 @@ config BR2_ROOTFS_SKELETON_CUSTOM
 endchoice
 
 if BR2_ROOTFS_SKELETON_CUSTOM
+
 config BR2_ROOTFS_SKELETON_CUSTOM_PATH
 	string "custom target skeleton path"
-	default "system/skeleton"
 	help
 	  Path to custom target skeleton.
 
-- 
2.7.4