build: allow obj=/absolute/path
This allows moving the build tree outside the source tree.
Change-Id: I97882c4820d2c962c27bf8d50378e64016ce5790
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/5803
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/Makefile.inc b/Makefile.inc
index 529250d..2b62e78 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -88,7 +88,7 @@
files-in-dir-recursive=$(filter $(1)%,$(2))
# parent-dir,dir/
-parent-dir=$(dir $(subst $( ),/,$(strip $(subst /, ,$(1)))))
+parent-dir=$(dir $(if $(patsubst /%,,$(1)),,/)$(subst $( ),/,$(strip $(subst /, ,$(1)))))
# filters out exactly the directory specified
# filter-out-dir,dir_to_keep,dirs
@@ -96,13 +96,13 @@
# filters out dir_to_keep and all its parents
# filter-out-dirs,dir_to_keep,dirs
-filter-out-dirs=$(if $(filter-out ./,$(1)),$(call filter-out-dirs,$(call parent-dir,$(1)),$(call filter-out-dir,$(1),$(2))),$(call filter-out-dir,$(1),$(2)))
+filter-out-dirs=$(if $(filter-out ./ /,$(1)),$(call filter-out-dirs,$(call parent-dir,$(1)),$(call filter-out-dir,$(1),$(2))),$(call filter-out-dir,$(1),$(2)))
# dir-wildcards,dirs
dir-wildcards=$(addsuffix %,$(1))
# files-in-dir,dir,files
-files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(dir $(2)))),$(call files-in-dir-recursive,$(1),$(2)))
+files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(sort $(dir $(2))))),$(call files-in-dir-recursive,$(1),$(2)))
#######################################################################
# reduce command line length by linking the objects of each