Avoid continuous rebuilds of TARGET_DIR and /etc/* project files

diff --git a/Makefile b/Makefile
index f3dc4f051dbf33bf94ea3153262cd6bdfa24f5c0..4d5227ba6dc0525c061141e1ebad9b08297abdf3 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -230,7 +230,7 @@ world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS)
 #
 #############################################################
 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) \
-       $(PROJECT_BUILD_DIR) $(BINARIES_DIR):
+       $(PROJECT_BUILD_DIR) $(BINARIES_DIR) $(TARGET_DIR):
        @mkdir -p $@
 
 $(STAGING_DIR):
@@ -246,23 +246,28 @@ else
 endif
        @mkdir -p $(STAGING_DIR)/usr/include
 
-$(TARGET_DIR): $(STAGING_DIR)
-       mkdir -p $(TARGET_DIR)
-       if [ -d "$(TARGET_SKELETON)" ] ; then \
-               cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
+$(PROJECT_BUILD_DIR)/.root:     $(TARGET_DIR)
+       if ! [ -d "$(TARGET_DIR)/bin" ] ; then \
+               @echo "Rebuilding TARGET_DIR" ; \
+               if [ -d "$(TARGET_SKELETON)" ] ; then \
+                       cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
+               fi; \
+               touch $(STAGING_DIR)/.fakeroot.00000 ; \
+               -find $(TARGET_DIR) -type d -name CVS | xargs rm -rf ; \
+               -find $(TARGET_DIR) -type d -name .svn | xargs rm -rf ; \
        fi;
-       touch $(STAGING_DIR)/.fakeroot.00000
-       -find $(TARGET_DIR) -type d -name CVS | xargs rm -rf
-       -find $(TARGET_DIR) -type d -name .svn | xargs rm -rf
+       touch   $@
 
-target-host-info: dirs $(TARGET_DIR)/etc/issue $(TARGET_DIR)/etc/hostname
+target-host-info: $(TARGET_DIR)/etc/issue $(TARGET_DIR)/etc/hostname
 
-$(TARGET_DIR)/etc/issue:       $(TARGET_DIR) .config
+$(TARGET_DIR)/etc/issue:       .config
+       mkdir -p $(TARGET_DIR)/etc
        echo ""                 >  $(TARGET_DIR)/etc/issue
        echo ""                 >> $(TARGET_DIR)/etc/issue
        echo "$(BANNER)"        >> $(TARGET_DIR)/etc/issue
 
-$(TARGET_DIR)/etc/hostname:    $(TARGET_DIR) .config
+$(TARGET_DIR)/etc/hostname:    .config
+       mkdir -p $(TARGET_DIR)/etc
        echo "$(TARGET_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
 
 source: $(TARGETS_SOURCE) $(HOST_SOURCE)