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[03/11] kbuild: fix modkern_aflags implementation

Message ID 20190810155307.29322-4-yamada.masahiro@socionext.com
State Accepted
Commit c2290f3286b6d1f2058b905cc954243c6027c37a
Headers show
Series kbuild: clean-ups and improvement of single targets | expand

Commit Message

Masahiro Yamada Aug. 10, 2019, 3:52 p.m. UTC 
For the single target building %.symtypes from %.S, $(a_flags) is
expanded into the _KERNEL flags even if the object is a part of a
module.

$(real-obj-m:.o=.symtypes): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)

... would fix the issue, but it is not nice to duplicate similar code
for every suffix.

Implement modkern_aflags in the same way as modkern_cflags.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

---

 scripts/Makefile.build | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

-- 
2.17.1
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Patch

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 64e47a9a54c5..3633558f7861 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -309,10 +309,9 @@  $(obj)/%.h.s: $(src)/%.h FORCE
 # Compile assembler sources (.S)
 # ---------------------------------------------------------------------------
 
-modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)
-
-$(real-obj-m)      : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
-$(real-obj-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
+modkern_aflags = $(if $(part-of-module),				\
+			$(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE),	\
+			$(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL))
 
 # .S file exports must have their C prototypes defined in asm/asm-prototypes.h
 # or a file that it includes, in order to get versioned symbols. We build a