build: Fix depends build system when working with subtargets

Author: hebasto

depends/funcs.mk

@@ -76,7 +76,7 @@ $(1)_extracted=$$($(1)_extract_dir)/.stamp_extracted
 $(1)_preprocessed=$$($(1)_extract_dir)/.stamp_preprocessed
 $(1)_cleaned=$$($(1)_extract_dir)/.stamp_cleaned
 $(1)_built=$$($(1)_build_dir)/.stamp_built
-$(1)_configured=$$($(1)_build_dir)/.stamp_configured
+$(1)_configured=$(host_prefix)/.$(1)_stamp_configured
 $(1)_staged=$$($(1)_staging_dir)/.stamp_staged
 $(1)_postprocessed=$$($(1)_staging_prefix_dir)/.stamp_postprocessed
 $(1)_download_path_fixed=$(subst :,\:,$$($(1)_download_path))
@@ -214,8 +214,8 @@ $($(1)_preprocessed): | $($(1)_extracted)
 $($(1)_configured): | $($(1)_dependencies) $($(1)_preprocessed)
 	echo Configuring $(1)...
 	rm -rf $(host_prefix); mkdir -p $(host_prefix)/lib; cd $(host_prefix); $(foreach package,$($(1)_all_dependencies), $(build_TAR) --no-same-owner -xf $($(package)_cached); )
-	mkdir -p $$(@D)
-	+{ cd $$(@D); export $($(1)_config_env); $($(1)_config_cmds); } $$($(1)_logging)
+	mkdir -p $$($(1)_build_dir)
+	+{ cd $$($(1)_build_dir); export $($(1)_config_env); $($(1)_config_cmds); } $$($(1)_logging)
 	touch $$@
 $($(1)_built): | $($(1)_configured)
 	echo Building $(1)...