[3/3] kbuild: remove ARCH_{CPP,A,C}FLAGS
diff mbox series

Message ID 20190820170941.26193-3-yamada.masahiro@socionext.com
State New
Headers show
  • [1/3] init/Kconfig: rework help of CONFIG_CC_OPTIMIZE_FOR_SIZE
Related show

Commit Message

Masahiro Yamada Aug. 20, 2019, 5:09 p.m. UTC
These flags were added by commit 61754c18752f ("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>

 Documentation/kbuild/makefiles.rst |  7 -------
 Makefile                           | 14 ++++----------
 2 files changed, 4 insertions(+), 17 deletions(-)

diff mbox series

diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
index 36ba92e199d2..712cdbcdbe91 100644
--- a/Documentation/kbuild/makefiles.rst
+++ b/Documentation/kbuild/makefiles.rst
@@ -988,13 +988,6 @@  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.
 	The linker script with full path. Assigned by the top-level Makefile.
diff --git a/Makefile b/Makefile
index 891e47da503f..6551f136afb0 100644
--- a/Makefile
+++ b/Makefile
@@ -661,11 +661,6 @@  RETPOLINE_VDSO_CFLAGS := $(call cc-option,$(RETPOLINE_VDSO_CFLAGS_GCC),$(call cc
-# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default
-# values of the respective KBUILD_* variables
 include arch/$(SRCARCH)/Makefile
 ifdef need-config
@@ -918,11 +913,10 @@  include scripts/Makefile.kasan
 include scripts/Makefile.extrawarn
 include scripts/Makefile.ubsan
-# Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the
-# last assignments
+# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 LDFLAGS_vmlinux += --build-id