kbuild: skip 'addtree' and 'flags' magic for external module build
Backport from kernel
commit 58156ba4468f ("kbuild: skip 'addtree' and 'flags' magic for external module build")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 7690cc6..f1a7888 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -143,15 +143,14 @@
$(CFLAGS_KASAN))
endif
-# If building the kernel in a separate objtree expand all occurrences
-# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
-
-ifeq ($(KBUILD_SRC),)
__c_flags = $(_c_flags)
__a_flags = $(_a_flags)
__cpp_flags = $(_cpp_flags)
-else
+# If building the kernel in a separate objtree expand all occurrences
+# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
+ifeq ($(KBUILD_EXTMOD),)
+ifneq ($(KBUILD_SRC),)
# -I$(obj) locates generated .h files
# $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files
# and locates generated .h files
@@ -161,6 +160,7 @@
__a_flags = $(call flags,_a_flags)
__cpp_flags = $(call flags,_cpp_flags)
endif
+endif
# Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE
c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \