kbuild: sync with Linux 4.1

[karo-tx-uboot.git] / scripts / Makefile.lib

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 8731fc64b4e0319d6d8c69c8b12fe8dff8079978..84915d7e51dc6dfe1c77ef9e8484beb26c7a4c8f 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -119,6 +119,16 @@ _c_flags += $(if $(patsubst n%,, \
                $(CFLAGS_GCOV))
 endif
 
+#
+# Enable address sanitizer flags for kernel except some files or directories
+# we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE)
+#
+ifeq ($(CONFIG_KASAN),y)
+_c_flags += $(if $(patsubst n%,, \
+               $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
+               $(CFLAGS_KASAN))
+endif
+
 # If building the kernel in a separate objtree expand all occurrences
 # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
 
@@ -274,7 +284,8 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
 
 quiet_cmd_dtc = DTC     $@
 # Modified for U-Boot
-cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
+       $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
        $(DTC) -O dtb -o $@ -b 0 \
                -i $(dir $<) $(DTC_FLAGS) \
                -d $(depfile).dtc.tmp $(dtc-tmp) ; \
@@ -285,18 +296,6 @@ $(obj)/%.dtb: $(src)/%.dts FORCE
 
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 
-# Helper targets for Installing DTBs into the boot directory
-quiet_cmd_dtb_install =        INSTALL $<
-      cmd_dtb_install =        cp $< $(2)
-
-_dtbinst_pre_:
-       $(Q)if [ -d $(INSTALL_DTBS_PATH).old ]; then rm -rf $(INSTALL_DTBS_PATH).old; fi
-       $(Q)if [ -d $(INSTALL_DTBS_PATH) ]; then mv $(INSTALL_DTBS_PATH) $(INSTALL_DTBS_PATH).old; fi
-       $(Q)mkdir -p $(INSTALL_DTBS_PATH)
-
-%.dtb_dtbinst_: $(obj)/%.dtb _dtbinst_pre_
-       $(call cmd,dtb_install,$(INSTALL_DTBS_PATH))
-
 # Bzip2
 # ---------------------------------------------------------------------------