fix unnecessary kernel package recompile

[openwrt.git] / include / package.mk

diff --git a/include/package.mk b/include/package.mk
index 181ea32..b4f16e2 100644 (file)
--- a/include/package.mk
+++ b/include/package.mk
@@ -11,6 +11,8 @@ else
 endif
 
 include $(INCLUDE_DIR)/prereq.mk
+include $(INCLUDE_DIR)/host.mk
+include $(INCLUDE_DIR)/unpack.mk
 
 define shvar
 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
@@ -76,6 +78,7 @@ define Package/Default
   SECTION:=opt
   CATEGORY:=Extra packages
   DEPENDS:=
+  PROVIDES:=
   EXTRA_DEPENDS:=
   MAINTAINER:=OpenWrt Developers Team <openwrt-devel@openwrt.org>
   SOURCE:=$(patsubst $(TOPDIR)/%,%,${shell pwd})
@@ -169,14 +172,22 @@ define BuildPackage
        echo "Default: $(DEFAULT)";
     endif
 
+       $(call shexport,Package/$(1)/description)
+
     DUMPINFO += \
        if [ "$$$$PREREQ_CHECK" = 1 ]; then echo "Prereq-Check: 1"; fi; \
        echo "Version: $(VERSION)"; \
        echo "Depends: $$(IDEPEND_$(1))"; \
+       echo "Provides: $(PROVIDES)"; \
        echo "Build-Depends: $(PKG_BUILDDEP)"; \
        echo "Category: $(CATEGORY)"; \
        echo "Title: $(TITLE)"; \
-       echo "Description: $(DESCRIPTION)" | sed -e 's,\\,\n,g'; \
+       if isset $(call shvar,Package/$(1)/description); then \
+               echo -n "Description: "; \
+               getvar $(call shvar,Package/$(1)/description); \
+       else \
+               echo "Description: $(DESCRIPTION)" | sed -e 's,\\,\n,g'; \
+       fi;
        
     ifneq ($(URL),)
       DUMPINFO += \
@@ -240,36 +251,33 @@ define BuildPackage
   clean: $(1)-clean
 
   $(PKG_BUILD_DIR)/.version-$(1)_$(VERSION)_$(PKGARCH): $(PKG_BUILD_DIR)/.prepared
-       -@rm $(PKG_BUILD_DIR)/.version-$(1)_* 2>/dev/null
+       -@rm -f $(PKG_BUILD_DIR)/.version-$(1)_* 2>/dev/null
        @touch $$@
 
   $$(eval $$(call Build/DefaultTargets,$(1)))
 
-  ifneq ($$(CONFIG_PACKAGE_$(1)),)
-    ifneq ($(MAKECMDGOALS),prereq)
-      ifneq ($(DUMP),1)
-        ifneq ($$(shell $(SCRIPT_DIR)/timestamp.pl -p -x ipkg -x ipkg-install '$$(IPKG_$(1))' '$(PKG_BUILD_DIR)'),$$(IPKG_$(1)))
-          _INFO+=$(subst $(TOPDIR)/,,$$(IPKG_$(1)))
-          $(PKG_BUILD_DIR)/.built: package-rebuild
-        endif
-
-        ifneq ($$(_INFO),)
-          $$(info Rebuilding $$(_INFO))
+  ifdef Package/$(1)/install
+    ifneq ($$(CONFIG_PACKAGE_$(1)),)
+      ifneq ($(MAKECMDGOALS),prereq)
+        ifneq ($(DUMP),1)
+          ifneq ($$(shell $(SCRIPT_DIR)/timestamp.pl -p -x ipkg -x ipkg-install '$$(IPKG_$(1))' '$(PKG_BUILD_DIR)'),$$(IPKG_$(1)))
+            _INFO+=$(subst $(TOPDIR)/,,$$(IPKG_$(1)))
+            $(PKG_BUILD_DIR)/.built: package-rebuild
+          endif
+
+          ifneq ($$(_INFO),)
+            $$(info Rebuilding $$(_INFO))
+          endif
         endif
       endif
     endif
   endif
 endef
 
-ifneq ($(strip $(PKG_CAT)),)
-  ifeq ($(PKG_CAT),unzip)
-    UNPACK=unzip -d $(PKG_BUILD_DIR) $(DL_DIR)/$(PKG_SOURCE)
-  else
-    UNPACK=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | tar -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS) -
-  endif
+ifneq ($(strip $(PKG_UNPACK)),)
   define Build/Prepare/Default
-       $(UNPACK)
-       @if [ -d ./patches ]; then \
+       $(PKG_UNPACK)
+       @if [ -d ./patches -a "$$$$(ls ./patches | wc -l)" -gt 0 ]; then \
                $(PATCH) $(PKG_BUILD_DIR) ./patches; \
        fi
   endef