Jiafu He napsal(a): > This patch fixes two linking errors regarding the empty built-in.o: > - Error "...built-in.o: no such file or directory" happens if > "dirx/Makefile" contains only "obj-m += diry/ dirz/" and the empty > "dirx/built-in.o" is missing. Adding $(subdir-m) into check for > builtin-target fixes this error. > - Linking the child builtin.o's using arm-xscale-linux-gnueabi linker > fails with an EABI version mismatch error "... has EABI version 0, but > ... has EABI verion 4". The cause is built-in.o created by $(AR) has > EABI verison 0, while the non-empty built-in.o's have EABI version 4. > The fix is to use $(CC) to create the empty built-in.o. > > The fixes have been tested with x86/x86_64 native platforms and the > arm-xscale-linux-gnueabi cross-compiler. > > Signed-off-by: Jiafu He <jay@xxxxxxxxxxxx> > ----- > diff --git a/scripts/Makefile.build b/scripts/Makefile.build > index 341b589..c8c8c81 100644 > --- a/scripts/Makefile.build > +++ b/scripts/Makefile.build > @@ -82,7 +82,7 @@ ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),) > lib-target := $(obj)/lib.a > endif > > -ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),) > +ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) > $(lib-target)),) > builtin-target := $(obj)/built-in.o > endif Ack on this part, I need to think a bit more about the second part :). Could you please send two separate patches, they fix two independent issues after all. Thanks, Michal > > @@ -291,7 +291,7 @@ quiet_cmd_link_o_target = LD $@ > cmd_link_o_target = $(if $(strip $(obj-y)),\ > $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) > \ > $(cmd_secanalysis),\ > - rm -f $@; $(AR) rcs $@) > + rm -f $@; $(CC) -c -xassembler /dev/null -o $@) > > $(builtin-target): $(obj-y) FORCE > $(call if_changed,link_o_target) > ----- > > -- > 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 -- 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
