kbuild: improve Kbuild speed

[people/ms/u-boot.git] / scripts / Makefile.lib

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 49392ecbef17baf113bb9e3771384d06413bbb25..d568fde2cc34db92e4ccf7157ad7dfc53288bb76 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -137,21 +137,22 @@ __a_flags =                          $(call flags,_a_flags)
 __cpp_flags     =                          $(call flags,_cpp_flags)
 endif
 
-c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+# Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE
+c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE)     \
                 $(__c_flags) $(modkern_cflags)                           \
                 -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)
 
-a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE)     \
                 $(__a_flags) $(modkern_aflags)
 
-cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE)     \
                 $(__cpp_flags)
 
 ld_flags       = $(LDFLAGS) $(ldflags-y)
 
+# Modified for U-Boot
 dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
-                -I$(srctree)/arch/$(SRCARCH)/boot/dts                   \
-                -I$(srctree)/arch/$(SRCARCH)/boot/dts/include           \
+                -I$(srctree)/arch/$(ARCH)/dts                           \
                 -undef -D__DTS__
 
 # Finds the multi-part object the current object will be linked into
@@ -245,25 +246,24 @@ 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     $@
+# Modified for U-Boot
 cmd_dt_S_dtb=                                          \
 (                                                      \
-       echo '\#include <asm-generic/vmlinux.lds.h>';   \
        echo '.section .dtb.init.rodata,"a"';           \
-       echo '.balign STRUCT_ALIGNMENT';                \
        echo '.global __dtb_$(*F)_begin';               \
        echo '__dtb_$(*F)_begin:';                      \
        echo '.incbin "$<" ';                           \
        echo '__dtb_$(*F)_end:';                        \
        echo '.global __dtb_$(*F)_end';                 \
-       echo '.balign STRUCT_ALIGNMENT';                \
 ) > $@
 
 $(obj)/%.dtb.S: $(obj)/%.dtb
        $(call cmd,dt_S_dtb)
 
 quiet_cmd_dtc = DTC     $@
+# Modified for U-Boot
 cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
-       $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
+       dtc -O dtb -o $@ -b 0 \
                -i $(dir $<) $(DTC_FLAGS) \
                -d $(depfile).dtc.tmp $(dtc-tmp) ; \
        cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)