[buildroot] Add two debug rules the examine the values of runtime make variables.
authorJo-Philipp Wich <jow@openwrt.org>
Sun, 10 Oct 2010 22:40:44 +0000 (22:40 +0000)
committerJo-Philipp Wich <jow@openwrt.org>
Sun, 10 Oct 2010 22:40:44 +0000 (22:40 +0000)
Based on patch by Philip Prindeville <philipp@redfish-solutions.com>

SVN-Revision: 23389

rules.mk

index 49044c8..7d3516b 100644 (file)
--- 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