collectd: make compile time debug option configurable

Enables the compiler option that collectd is compiled with
debugging support. This is used at development stages to get
more messages from the collectd during development.

This option is default disabled.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit a4f74eb1)

utils/collectd/Makefile

@@ -25,6 +25,10 @@ PKG_INSTALL:=1
 PKG_BUILD_PARALLEL:=1
 PKG_USE_MIPS16:=0
 
+PKG_CONFIG_DEPENDS:= \
+	PACKAGE_COLLECTD_ENCRYPTED_NETWORK \
+	PACKAGE_COLLECTD_DEBUG_OUTPUT_ENABLE
+
 COLLECTD_PLUGINS_DISABLED:= \
 	amqp \
 	ampq1 \
@@ -242,12 +246,20 @@ define Package/collectd/config
 	default n
 	depends on PACKAGE_collectd
 	select PACKAGE_collectd-mod-network
+
+	config PACKAGE_COLLECTD_DEBUG_OUTPUT_ENABLE
+	bool "Enable debug output"
+	default n
+	depends on PACKAGE_collectd
+	help
+	  Enables the compiler option that collectd is compiled with
+	  debugging support. This is used at development stages to get
+	  more messages from the collectd during development.
 endef
 
 # common configure args
 CONFIGURE_ARGS+= \
 	--disable-werror \
-	--disable-debug \
 	--enable-daemon \
 	--with-nan-emulation \
 	--with-libyajl=no \
@@ -273,6 +285,14 @@ CONFIGURE_ARGS+= \
 	--without-libgcrypt
 endif
 
+ifeq ($(CONFIG_PACKAGE_COLLECTD_DEBUG_OUTPUT_ENABLE),y)
+CONFIGURE_ARGS+= \
+	--enable-debug
+else
+CONFIGURE_ARGS+= \
+	--disable-debug
+endif
+
 CONFIGURE_PLUGIN= \
 	$(foreach m, $(1), \
 		$(if $(CONFIG_PACKAGE_collectd-mod-$(subst _,-,$(m))),--enable-$(m),--disable-$(m)) \