build: reimplement package build directory override

Remove leftover pieces from package-version-override.mk support
Add a new variable USE_SOURCE_DIR to use a custom build directory.

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 40527

include/package.mk

@@ -66,6 +66,12 @@ ifneq ($(if $(CONFIG_SRC_TREE_OVERRIDE),$(wildcard ./git-src)),)
   USE_GIT_TREE:=1
   QUILT:=1
 endif
+ifdef USE_SOURCE_DIR
+  QUILT:=1
+endif
+ifneq ($(wildcard $(PKG_BUILD_DIR)/.source_dir),)
+  QUILT:=1
+endif
 
 PKG_DIR_NAME:=$(lastword $(subst /,$(space),$(CURDIR)))
 PKG_INSTALL_STAMP:=$(PKG_INFO_DIR)/$(PKG_DIR_NAME).$(if $(BUILD_VARIANT),$(BUILD_VARIANT),default).install
@@ -95,20 +101,6 @@ ifeq ($(DUMP)$(filter prereq clean refresh update,$(MAKECMDGOALS)),)
   endif
 endif
 
-ifeq ($(CONFIG_$(PKG_NAME)_USE_CUSTOM_SOURCE_DIR),y)
-# disable load stage
-PKG_SOURCE_URL:=
-# add hook to install a link to customer source path of dedicated package
-Hooks/Prepare/Pre += prepare_custom_source_directory
-ifeq ($(filter autoreconf,$(Hooks/Configure/Pre)),)
-  Hooks/Configure/Pre += autoreconf_target
-endif
-# define empty default action
-define Build/Prepare/Default
-	@: 
-endef
-endif
-
 define Download/default
   FILE:=$(PKG_SOURCE)
   URL:=$(PKG_SOURCE_URL)
@@ -127,6 +119,14 @@ ifdef USE_GIT_TREE
 	( cd $(PKG_BUILD_DIR); git checkout .)
   endef
 endif
+ifdef USE_SOURCE_DIR
+  define Build/Prepare/Default
+	rm -rf $(PKG_BUILD_DIR)
+	$(if $(wildcard $(USE_SOURCE_DIR)/*),,@echo "Error: USE_SOURCE_DIR=$(USE_SOURCE_DIR) path not found"; false)
+	ln -snf $(USE_SOURCE_DIR) $(PKG_BUILD_DIR)
+	touch $(PKG_BUILD_DIR)/.source_dir
+  endef
+endif
 
 define Build/Exports/Default
   $(1) : export ACLOCAL_INCLUDE=$$(foreach p,$$(wildcard $$(STAGING_DIR)/usr/share/aclocal $$(STAGING_DIR)/usr/share/aclocal-* $$(STAGING_DIR)/host/share/aclocal $$(STAGING_DIR)/host/share/aclocal-*),-I $$(p))
@@ -141,7 +141,7 @@ Build/Exports=$(Build/Exports/Default)
 
 define Build/DefaultTargets
   $(if $(QUILT),$(Build/Quilt))
-  $(if $(USE_GIT_TREE),,$(if $(strip $(PKG_SOURCE_URL)),$(call Download,default)))
+  $(if $(USE_SOURCE_DIR)$(USE_GIT_TREE),,$(if $(strip $(PKG_SOURCE_URL)),$(call Download,default)))
   $(call Build/Autoclean)
 
   download: