From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 include/debug.mk | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 include/debug.mk

(limited to 'include/debug.mk')

diff --git a/include/debug.mk b/include/debug.mk
new file mode 100644
index 0000000..59a99c0
--- /dev/null
+++ b/include/debug.mk
@@ -0,0 +1,51 @@
+#
+# Copyright (C) 2007 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+# debug flags:
+#
+# d: show subdirectory tree
+# t: show added targets
+# l: show legacy targets
+# r: show autorebuild messages
+# v: verbose (no .SILENCE for common targets)
+
+ifeq ($(DUMP),)
+  ifeq ($(DEBUG),all)
+    build_debug:=dltvr
+  else
+    build_debug:=$(DEBUG)
+  endif
+endif
+
+ifneq ($(DEBUG),)
+
+define debug
+$$(findstring $(2),$$(if $$(DEBUG_SCOPE_DIR),$$(if $$(filter $$(DEBUG_SCOPE_DIR)%,$(1)),$(build_debug)),$(build_debug)))
+endef
+
+define warn
+$$(if $(call debug,$(1),$(2)),$$(warning $(3)))
+endef
+
+define debug_eval
+$$(if $(call debug,$(1),$(2)),$(3))
+endef
+
+define warn_eval
+$(call warn,$(1),$(2),$(3)	$(4))
+$(4)
+endef
+
+else
+
+debug:=
+warn:=
+debug_eval:=
+warn_eval = $(4)
+
+endif
+
-- 
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