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kbuild: remove ARCH_{CPP,A,C}FLAGS

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These flags were added by commit 61754c1875 ("kbuild: Allow arch
Makefiles to override {cpp,ld,c}flags") to allow ARC to override -O2.

We did not see any other usage after all. Now that ARC switched to
CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3, there is no more user of
these variables.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada
2019-08-21 02:09:41 +09:00
parent 15f5db60a1
commit 8cc7af7514
2 changed files with 4 additions and 17 deletions
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7
Documentation/kbuild/makefiles.rst
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@@ -959,13 +959,6 @@ When kbuild executes, the following steps are followed (roughly):
$(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic
mode) if this option is supported by $(AR).
ARCH_CPPFLAGS, ARCH_AFLAGS, ARCH_CFLAGS Overrides the kbuild defaults
These variables are appended to the KBUILD_CPPFLAGS,
KBUILD_AFLAGS, and KBUILD_CFLAGS, respectively, after the
top-level Makefile has set any other flags. This provides a
means for an architecture to override the defaults.
KBUILD_LDS
The linker script with full path. Assigned by the top-level Makefile.