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-rw-r--r--Makefile6
-rw-r--r--tools/scripts/Makefile.include17
2 files changed, 17 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index 42d0e56818ea..71dc31e41407 100644
--- a/Makefile
+++ b/Makefile
@@ -1321,10 +1321,12 @@ kernelversion:
# Clear a bunch of variables before executing the submake
tools/: FORCE
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/
+ $(Q)mkdir -p $(objtree)/tools
+ $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= O=$(objtree) subdir=tools -C $(src)/tools/
tools/%: FORCE
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/ $*
+ $(Q)mkdir -p $(objtree)/tools
+ $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= O=$(objtree) subdir=tools -C $(src)/tools/ $*
# Single targets
# ---------------------------------------------------------------------------
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index 4a9e3176f743..87467b17e05c 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -1,8 +1,11 @@
-ifeq ("$(origin O)", "command line")
+ifeq ($(origin O), command line)
dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
ABSOLUTE_O := $(shell cd $(O) ; pwd)
- OUTPUT := $(ABSOLUTE_O)/
+ OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
COMMAND_O := O=$(ABSOLUTE_O)
+ifeq ($(objtree),)
+ objtree := $(O)
+endif
endif
ifneq ($(OUTPUT),)
@@ -47,9 +50,10 @@ endif
# Call by doing: $(call descend,directory[,target])
#
descend = \
- $(QUIET_SUBDIR0)$(1) $(QUIET_SUBDIR1) $(2)
+ +mkdir -p $(OUTPUT)$(1) && \
+ $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1)
-QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir
+QUIET_SUBDIR0 = +$(MAKE) $(COMMAND_O) -C # space to separate -C and subdir
QUIET_SUBDIR1 =
ifneq ($(findstring $(MAKEFLAGS),s),s)
@@ -64,5 +68,10 @@ ifndef V
$(MAKE) $(PRINT_DIR) -C $$subdir
QUIET_FLEX = @echo ' ' FLEX $@;
QUIET_BISON = @echo ' ' BISON $@;
+
+ descend = \
+ @echo ' ' DESCEND $(1); \
+ mkdir -p $(OUTPUT)$(1) && \
+ $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1)
endif
endif