From aa0778f77efb1d5c0d49e66a9d52ff438bc1ba7d Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 22 Feb 2009 18:10:05 +0000
Subject: [PATCH] allow concurrent use of host-build.mk and package.mk as well
 as their templates

SVN-Revision: 14621
---
 include/host-build.mk | 35 ++++++++++++++++++++---------------
 include/package.mk    |  2 +-
 include/unpack.mk     |  6 +++++-
 3 files changed, 26 insertions(+), 17 deletions(-)

diff --git a/include/host-build.mk b/include/host-build.mk
index 3f714cd682..2ce3e1598d 100644
--- a/include/host-build.mk
+++ b/include/host-build.mk
@@ -6,7 +6,7 @@
 #
 
 HOST_BUILD_DIR ?= $(BUILD_DIR_HOST)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
-PKG_INSTALL_DIR ?= $(HOST_BUILD_DIR)/host-install
+HOST_INSTALL_DIR ?= $(HOST_BUILD_DIR)/host-install
 
 include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/unpack.mk
@@ -86,9 +86,10 @@ define Download/default
   MD5SUM:=$(PKG_MD5SUM)
 endef
 
-define HostBuild
+ifndef DUMP
+  define HostBuild
   $(if $(QUILT),$(Host/Quilt))
-  $(if $(strip $(PKG_SOURCE_URL)),$(call Download,default))
+  $(if $(STAMP_PREPARED),,$(if $(strip $(PKG_SOURCE_URL)),$(call Download,default)))
   $(if $(DUMP),,$(call HostHost/Autoclean))
   
   $(HOST_STAMP_PREPARED):
@@ -111,21 +112,25 @@ define HostBuild
 	touch $$@
 	
   ifdef Host/Install
-    install: $(HOST_STAMP_INSTALLED)
+    host-install: $(HOST_STAMP_INSTALLED)
   endif
 
-  package-clean: FORCE
+  download:
+  host-prepare: $(HOST_STAMP_PREPARED)
+  host-configure: $(HOST_STAMP_CONFIGURED)
+  host-compile: $(HOST_STAMP_BUILT)
+  host-install:
+  host-clean: FORCE
 	$(call Host/Clean)
 	$(call Host/Uninstall)
-	rm -f $(HOST_STAMP_INSTALLED) $(HOST_STAMP_BUILT)
+	rm -rf $(HOST_BUILD_DIR) $(HOST_STAMP_INSTALLED) $(HOST_STAMP_BUILT)
 
-  download:
-  prepare: $(HOST_STAMP_PREPARED)
-  configure: $(HOST_STAMP_CONFIGURED)
-  compile: $(HOST_STAMP_BUILT)
-  install:
-  clean: FORCE
-	$(call Host/Clean)
-	rm -rf $(HOST_BUILD_DIR)
+  endef
+
+  prepare: host-prepare
+  compile: host-compile
+  install: host-install
+  clean: host-clean
+
+endif
 
-endef
diff --git a/include/package.mk b/include/package.mk
index 13dece4c0e..2b28b648b2 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -69,7 +69,7 @@ define Build/DefaultTargets
   $(if $(strip $(PKG_SOURCE_URL)),$(call Download,default))
   $(call Build/Autoclean)
 
-  $(STAMP_PREPARED):
+  $(STAMP_PREPARED): $(HOST_STAMP_INSTALLED)
 	@-rm -rf $(PKG_BUILD_DIR)
 	@mkdir -p $(PKG_BUILD_DIR)
 	$(foreach hook,$(Hooks/Prepare/Pre),$(call $(hook))$(sep))
diff --git a/include/unpack.mk b/include/unpack.mk
index ddd5fd11fe..ae8cdecb27 100644
--- a/include/unpack.mk
+++ b/include/unpack.mk
@@ -17,7 +17,7 @@ UNZIP_CMD=unzip -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
 ifeq ($(PKG_SOURCE),)
   PKG_UNPACK ?= true
 endif
-ifeq ($(strip $(PKG_UNPACK))$(strip $(HOST_UNPACK)),)
+ifeq ($(strip $(UNPACK_CMD)),)
   ifeq ($(strip $(PKG_CAT)),)
     # try to autodetect file type
     EXT:=$(call ext,$(PKG_SOURCE))
@@ -63,6 +63,10 @@ ifeq ($(strip $(PKG_UNPACK))$(strip $(HOST_UNPACK)),)
   else
     CRLF_CMD :=
   endif
+endif
+ifdef PKG_BUILD_DIR
   PKG_UNPACK := $(call UNPACK_CMD,$(PKG_BUILD_DIR)) $(call CRLF_CMD,$(PKG_BUILD_DIR))
+endif
+ifdef HOST_BUILD_DIR
   HOST_UNPACK := $(call UNPACK_CMD,$(HOST_BUILD_DIR)) $(call CRLF_CMD,$(HOST_BUILD_DIR))
 endif