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-rw-r--r--scripts/Makefile.lib29
1 files changed, 19 insertions, 10 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index bdf42fdf64c..49392ecbef1 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -63,7 +63,7 @@ multi-objs := $(multi-objs-y) $(multi-objs-m)
subdir-obj-y := $(filter %/built-in.o, $(obj-y))
# $(obj-dirs) is a list of directories that contain object files
-obj-dirs := $(dir $(multi-objs) $(subdir-obj-y))
+obj-dirs := $(dir $(multi-objs) $(obj-y))
# Replace multi-part objects by their individual parts, look at local dir only
real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)
@@ -119,13 +119,6 @@ _c_flags += $(if $(patsubst n%,, \
$(CFLAGS_GCOV))
endif
-ifdef CONFIG_SYMBOL_PREFIX
-_sym_flags = -DSYMBOL_PREFIX=$(patsubst "%",%,$(CONFIG_SYMBOL_PREFIX))
-_cpp_flags += $(_sym_flags)
-_a_flags += $(_sym_flags)
-endif
-
-
# If building the kernel in a separate objtree expand all occurrences
# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
@@ -156,6 +149,11 @@ cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \
ld_flags = $(LDFLAGS) $(ldflags-y)
+dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \
+ -I$(srctree)/arch/$(SRCARCH)/boot/dts \
+ -I$(srctree)/arch/$(SRCARCH)/boot/dts/include \
+ -undef -D__DTS__
+
# Finds the multi-part object the current object will be linked into
modname-multi = $(sort $(foreach m,$(multi-used),\
$(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
@@ -246,7 +244,7 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
# ---------------------------------------------------------------------------
# Generate an assembly file to wrap the output of the device tree compiler
-quiet_cmd_dt_S_dtb= DTB $@
+quiet_cmd_dt_S_dtb= DTB $@
cmd_dt_S_dtb= \
( \
echo '\#include <asm-generic/vmlinux.lds.h>'; \
@@ -264,11 +262,17 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
$(call cmd,dt_S_dtb)
quiet_cmd_dtc = DTC $@
-cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -d $(depfile) $<
+cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+ $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
+ -i $(dir $<) $(DTC_FLAGS) \
+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
$(obj)/%.dtb: $(src)/%.dts FORCE
$(call if_changed_dep,dtc)
+dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
+
# Bzip2
# ---------------------------------------------------------------------------
@@ -307,6 +311,11 @@ cmd_lzo = (cat $(filter-out FORCE,$^) | \
lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
(rm -f $@ ; false)
+quiet_cmd_lz4 = LZ4 $@
+cmd_lz4 = (cat $(filter-out FORCE,$^) | \
+ lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
+ (rm -f $@ ; false)
+
# U-Boot mkimage
# ---------------------------------------------------------------------------