From: Thierry Reding <treding@xxxxxxxxxx> Avoid forking off a shell to resolve the absolute path of the output directory when make's builtin $(abspath ...) function will do an adequate job. Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> --- Makefile | 4 ++-- tools/scripts/Makefile.include | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 173437debc87..c1e3ece3684f 100644 --- a/Makefile +++ b/Makefile @@ -1542,11 +1542,11 @@ image_name: # Clear a bunch of variables before executing the submake tools/: FORCE $(Q)mkdir -p $(objtree)/tools - $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(shell cd $(objtree) && /bin/pwd) subdir=tools -C $(src)/tools/ + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ tools/%: FORCE $(Q)mkdir -p $(objtree)/tools - $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(shell cd $(objtree) && /bin/pwd) subdir=tools -C $(src)/tools/ $* + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ $* # Single targets # --------------------------------------------------------------------------- diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include index 5467da41dc72..4d34d0729ac9 100644 --- a/tools/scripts/Makefile.include +++ b/tools/scripts/Makefile.include @@ -1,7 +1,7 @@ ifneq ($(O),) 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) + ABSOLUTE_O := $(abspath $(O)) OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/) COMMAND_O := O=$(ABSOLUTE_O) ifeq ($(objtree),) -- 2.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html