[Buildroot] [PATCH 1/2] linux: add note about why it's safe to include other .mk files

Yann E. MORIN yann.morin.1998 at free.fr
Fri Mar 13 18:57:28 UTC 2015


Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Cc: Thomas De Schampheleire <patrickdepinguin at gmail.com>
---
 linux/linux.mk | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/linux/linux.mk b/linux/linux.mk
index 5afcd4e..b1aca41 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -323,6 +323,14 @@ define LINUX_INSTALL_TARGET_CMDS
 	$(LINUX_INSTALL_HOST_TOOLS)
 endef
 
+# Note: our package infrastructure uses the full-path of the last-scanned
+# Makefile to determine what package we're currently defining, using the
+# last directory component in the path. As such, including other Makefile,
+# like below, before we call one of the *-package macro is usally not
+# working.
+# However, since the files we include here are in the same directory as
+# the current Makefile, we are OK. But this is a hard requirement: files
+# included here *must* be in the same directory!
 include $(sort $(wildcard linux/linux-ext-*.mk))
 
 $(eval $(kconfig-package))
-- 
1.9.1



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