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authorNick Desaulniers <ndesaulniers@google.com>2021-08-06 20:27:01 +0300
committerMasahiro Yamada <masahiroy@kernel.org>2021-08-10 03:13:25 +0300
commitf12b034afeb3a977bbb1c6584dedc0f3dc666f14 (patch)
tree3f3a5d488e333bbde7c8b8a00caf05aad1163fb0 /drivers/misc
parent52cc02b910284d6bddba46cce402044ab775f314 (diff)
downloadlinux-f12b034afeb3a977bbb1c6584dedc0f3dc666f14.tar.xz
scripts/Makefile.clang: default to LLVM_IAS=1
LLVM_IAS=1 controls enabling clang's integrated assembler via -integrated-as. This was an explicit opt in until we could enable assembler support in Clang for more architecures. Now we have support and CI coverage of LLVM_IAS=1 for all architecures except a few more bugs affecting s390 and powerpc. This commit flips the default from opt in via LLVM_IAS=1 to opt out via LLVM_IAS=0. CI systems or developers that were previously doing builds with CC=clang or LLVM=1 without explicitly setting LLVM_IAS must now explicitly opt out via LLVM_IAS=0, otherwise they will be implicitly opted-in. This finally shortens the command line invocation when cross compiling with LLVM to simply: $ make ARCH=arm64 LLVM=1 Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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