X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=scripts%2FKbuild.include;h=f01132263535fcfa0a47ecb5ac8cc789ece1c497;hb=5cf13911b1e72707b6f0eb39b2d819ec6e343d76;hp=59620b1554e022a316daa7185a0cf17a02fe6e3d;hpb=7d14f145f839b5d0d221ea209b4998f93267e2ec;p=powerpc.git

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 59620b1554..f011322635 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -12,6 +12,10 @@ space   := $(empty) $(empty)
 # contain a comma
 depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
 
+###
+# filename of target with directory and extension stripped
+basetarget = $(basename $(notdir $@))
+
 ###
 # Escape single quote for use in echo statements
 escsq = $(subst $(squote),'\$(squote)',$1)
@@ -81,12 +85,24 @@ cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \
 cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \
                        echo $(3); fi;)
 
+# ld-option
+# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
+ld-option = $(shell if $(CC) $(1) \
+			     -nostdlib -o ldtest$$$$.out -xc /dev/null \
+             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi; \
+	     rm -f ldtest$$$$.out)
+
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
 # Usage:
 # $(Q)$(MAKE) $(build)=dir
 build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
 
+# Prefix -I with $(srctree) if it is not an absolute path
+addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
+# Find all -I options and call addtree
+flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
+
 # If quiet is set, only print short version of command
 cmd = @$(echo-cmd) $(cmd_$(1))