1 files changed, 5 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index c1a608a1bc4c..74567b0ec2f0 100644
--- a/Makefile
+++ b/Makefile
@@ -846,6 +846,9 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=incompatible-pointer-types)
 # Require designated initializers for all marked structures
 KBUILD_CFLAGS   += $(call cc-option,-Werror=designated-init)
 
+# change __FILE__ to the relative path from the srctree
+KBUILD_CFLAGS   += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
+
 # use the deterministic mode of AR if available
 KBUILD_ARFLAGS := $(call ar-option,D)
 
@@ -1615,6 +1618,8 @@ clean: $(clean-dirs)
                 -o -name '*.dwo' -o -name '*.lst' \
                 -o -name '*.su'  \
                 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
+                -o -name '*.lex.c' -o -name '*.tab.[ch]' \
+                -o -name '*.asn1.[ch]' \
                 -o -name '*.symtypes' -o -name 'modules.order' \
                 -o -name modules.builtin -o -name '.tmp_*.o.*' \
                 -o -name .cache.mk \