From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 3 Apr 2011 03:40:01 +0000 (+0000)
Subject: build: undefine debug helper templates used by subdir.mk if the DEBUG variable is... 
X-Git-Tag: reboot~17044
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=33cde6b296a4f73a2797c53bdf4eff52bc3d4fcc;p=openwrt%2Fstaging%2Fxback.git

build: undefine debug helper templates used by subdir.mk if the DEBUG variable is empty, speeds up "make prereq" by 25% when lots of packages are installed

SVN-Revision: 26434
---

diff --git a/include/debug.mk b/include/debug.mk
index faead042dc..bec74d187a 100644
--- a/include/debug.mk
+++ b/include/debug.mk
@@ -21,6 +21,8 @@ ifeq ($(DUMP),)
   endif
 endif
 
+ifneq ($(DEBUG),)
+
 define debug
 $$(findstring $(2),$$(if $$(DEBUG_SCOPE_DIR),$$(if $$(filter $$(DEBUG_SCOPE_DIR)%,$(1)),$(build_debug)),$(build_debug)))
 endef
@@ -38,4 +40,12 @@ $(call warn,$(1),$(2),$(3)	$(4))
 $(4)
 endef
 
+else
+
+debug:=
+warn:=
+debug_eval:=
+warn_eval = $(4)
+
+endif