[source] build: stage unstripped packages inside PKG_BUILD_DIR

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/87d9e3462d25e16abb6b5c18da56312d7b90d7b6

commit 87d9e3462d25e16abb6b5c18da56312d7b90d7b6
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Wed Jan 18 16:19:03 2017 +0100

    build: stage unstripped packages inside PKG_BUILD_DIR
    
    This makes the build slightly more efficient by avoiding the need to
    re-stage packages on every full build run.
    
    It is also necessary for the upcoming CONFIG_AUTOREMOVE feature
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 include/depends.mk      |  2 +-
 include/package-ipkg.mk | 22 +++++++++++++---------
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/include/depends.mk b/include/depends.mk
index c26c8e5..1b74a84 100644
--- a/include/depends.mk
+++ b/include/depends.mk
@@ -11,7 +11,7 @@
 #	3: tempfile for file listings
 #	4: find options
 
-DEP_FINDPARAMS := -x "*/.svn*" -x ".*" -x "*:*" -x "*\!*" -x "* *" -x "*\\\#*" -x "*/.*_check" -x "*/.*.swp"
+DEP_FINDPARAMS := -x "*/.svn*" -x ".*" -x "*:*" -x "*\!*" -x "* *" -x "*\\\#*" -x "*/.*_check" -x "*/.*.swp" -x "*/.pkgdir"
 
 find_md5=find $(wildcard $(1)) -type f $(patsubst -x,-and -not -path,$(DEP_FINDPARAMS) $(2)) | mkhash md5
 
diff --git a/include/package-ipkg.mk b/include/package-ipkg.mk
index c56aeaa..8a9c10f 100644
--- a/include/package-ipkg.mk
+++ b/include/package-ipkg.mk
@@ -106,7 +106,8 @@ ifeq ($(DUMP),)
     ifdef do_install
       ifneq ($(CONFIG_PACKAGE_$(1))$(DEVELOPER),)
         IPKGS += $(1)
-        .compile: $$(IPKG_$(1)) $(PKG_INFO_DIR)/$(1).provides $(STAGING_DIR_ROOT)/stamp/.$(1)_installed
+        .compile: $$(IPKG_$(1)) $(PKG_INFO_DIR)/$(1).provides $(PKG_BUILD_DIR)/.pkgdir/$(1).installed
+        compile: $(STAGING_DIR_ROOT)/stamp/.$(1)_installed
       else
         $(if $(CONFIG_PACKAGE_$(1)),$$(info WARNING: skipping $(1) -- package not selected))
       endif
@@ -137,15 +138,18 @@ ifeq ($(DUMP),)
     $(eval $(call BuildIPKGVariable,$(1),prerm,-pkg,1))
     $(eval $(call BuildIPKGVariable,$(1),postrm,,1))
 
-    $(STAGING_DIR_ROOT)/stamp/.$(1)_installed : export PATH=$$(TARGET_PATH_PKG)
-    $(STAGING_DIR_ROOT)/stamp/.$(1)_installed: $(STAMP_BUILT)
-	rm -rf $(STAGING_DIR_ROOT)/tmp-$(1)
-	mkdir -p $(STAGING_DIR_ROOT)/stamp $(STAGING_DIR_ROOT)/tmp-$(1)
+    $(PKG_BUILD_DIR)/.pkgdir/$(1).installed : export PATH=$$(TARGET_PATH_PKG)
+    $(PKG_BUILD_DIR)/.pkgdir/$(1).installed: $(STAMP_BUILT)
+	rm -rf $$@ $(PKG_BUILD_DIR)/.pkgdir/$(1)
+	mkdir -p $(PKG_BUILD_DIR)/.pkgdir/$(1)
+	$(call Package/$(1)/install,$(PKG_BUILD_DIR)/.pkgdir/$(1))
+	$(call Package/$(1)/install_lib,$(PKG_BUILD_DIR)/.pkgdir/$(1))
+	touch $$@
+
+    $(STAGING_DIR_ROOT)/stamp/.$(1)_installed: $(PKG_BUILD_DIR)/.pkgdir/$(1).installed
+	mkdir -p $(STAGING_DIR_ROOT)/stamp
 	$(if $(ABI_VERSION),echo '$(ABI_VERSION)' | cmp -s - $$@ || echo '$(ABI_VERSION)' > $$@)
-	$(call Package/$(1)/install,$(STAGING_DIR_ROOT)/tmp-$(1))
-	$(call Package/$(1)/install_lib,$(STAGING_DIR_ROOT)/tmp-$(1))
-	$(call locked,$(CP) $(STAGING_DIR_ROOT)/tmp-$(1)/. $(STAGING_DIR_ROOT)/,root-copy)
-	rm -rf $(STAGING_DIR_ROOT)/tmp-$(1)
+	$(call locked,$(CP) $(PKG_BUILD_DIR)/.pkgdir/$(1)/. $(STAGING_DIR_ROOT)/,root-copy)
 	touch $$@
 
     Package/$(1)/DEPENDS := $$(call mergelist,$$(filter-out @%,$$(IDEPEND_$(1))))