From: jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 10 Oct 2010 22:40:44 +0000 (+0000)
Subject: [buildroot] Add two debug rules the examine the values of runtime make variables.
X-Git-Url: http://git.rohieb.name/openwrt.git/commitdiff_plain/36d3a76afb32eda306753361abf13c3d4c41e555

[buildroot] Add two debug rules the examine the values of runtime make variables.
Based on patch by Philip Prindeville <philipp@redfish-solutions.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23389 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/rules.mk b/rules.mk
index 49044c8cf..7d3516bc4 100644
--- a/rules.mk
+++ b/rules.mk
@@ -254,4 +254,16 @@ all:
 FORCE: ;
 .PHONY: FORCE
 
+val.%:
+	@$(if $(filter undefined,$(origin $*)),\
+		echo "$* undefined" >&2, \
+		echo '$(subst ','"'"',$($*))' \
+	)
+
+var.%:
+	@$(if $(filter undefined,$(origin $*)),\
+		echo "$* undefined" >&2, \
+		echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
+	)
+
 endif #__rules_inc