trace-cmd: lazily evaluate extra plugins list, fixes stray build errors causing by...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34390 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/devel/trace-cmd/Makefile b/package/devel/trace-cmd/Makefile
index c201eb0..1d555db 100644 (file)
--- a/package/devel/trace-cmd/Makefile
+++ b/package/devel/trace-cmd/Makefile
@@ -35,9 +35,7 @@ MAKE_FLAGS += \
        prefix=/usr
 
 PLUGINS_DIR := $(PKG_INSTALL_DIR)/usr/lib/trace-cmd/plugins
-PLUGINS_ALL = $(patsubst $(PLUGINS_DIR)/plugin_%.so,%,$(wildcard $(PLUGINS_DIR)/plugin_*.so))
 PLUGINS_MAIN := function hrtimer mac80211 sched_switch
-PLUGINS_EXTRA = $(filter-out $(PLUGINS_MAIN),$(PLUGINS_ALL))
 
 TARGET_CFLAGS += --std=gnu99
 
@@ -52,7 +50,10 @@ endef
 define Package/trace-cmd-extra/install
        $(INSTALL_DIR) $(1)/usr/lib/trace-cmd/plugins
        $(CP) \
-               $(patsubst %,$(PLUGINS_DIR)/plugin_%.so,$(PLUGINS_EXTRA)) \
+               $$(patsubst %,$(PLUGINS_DIR)/plugin_%.so, \
+                       $$(filter-out $(PLUGINS_MAIN), \
+                               $$(patsubst $(PLUGINS_DIR)/plugin_%.so,%, \
+                                       $$(wildcard $(PLUGINS_DIR)/plugin_*.so)))) \
                $(1)/usr/lib/trace-cmd/plugins
 endef