The "man gcc" says .i extension represents the file is C source code that should not be preprocessed. Here, .s should be used.
For clarification, .c ---(preprocess)---> .i .S ---(preprocess)---> .s Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com> --- tools/build/Makefile.build | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build index 4a96473..ee566e8 100644 --- a/tools/build/Makefile.build +++ b/tools/build/Makefile.build @@ -85,7 +85,7 @@ $(OUTPUT)%.i: %.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_i_c) -$(OUTPUT)%.i: %.S FORCE +$(OUTPUT)%.s: %.S FORCE $(call rule_mkdir) $(call if_changed_dep,cc_i_c) -- 1.9.1