Kbuild, lto: Disable LTO for asm-offsets.c
authorAndi Kleen <ak@linux.intel.com>
Sat, 8 Feb 2014 08:01:15 +0000 (09:01 +0100)
committerH. Peter Anvin <hpa@linux.intel.com>
Fri, 14 Feb 2014 04:25:03 +0000 (20:25 -0800)
The asm-offset.c technique to fish data out of the assembler file
does not work with LTO. Just disable for the asm-offset.c build.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391846481-31491-11-git-send-email-ak@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
scripts/Makefile.build

index d5d859c..9f0ee22 100644 (file)
@@ -198,7 +198,7 @@ $(multi-objs-y:.o=.s)   : modname = $(modname-multi)
 $(multi-objs-y:.o=.lst) : modname = $(modname-multi)
 
 quiet_cmd_cc_s_c = CC $(quiet_modtag)  $@
-cmd_cc_s_c       = $(CC) $(c_flags) -fverbose-asm -S -o $@ $<
+cmd_cc_s_c       = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<
 
 $(obj)/%.s: $(src)/%.c FORCE
        $(call if_changed_dep,cc_s_c)