From: Sedat Dilek <sedat.dilek@gmail.com>
To: Masahiro Yamada <masahiroy@kernel.org>,
Yonghong Song <yhs@fb.com>,
Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
David Blaikie <dblaikie@gmail.com>,
Bill Wendling <morbo@google.com>,
Nick Desaulniers <ndesaulniers@google.com>,
Nathan Chancellor <nathan@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
Namhyung Kim <namhyung@kernel.org>
Cc: dwarves@vger.kernel.org, bpf@vger.kernel.org, kernel-team@fb.com,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
x86@kernel.org,
Clang-Built-Linux ML <clang-built-linux@googlegroups.com>
Subject: Re: Usage of CXX in tools directory
Date: Sun, 4 Apr 2021 17:19:21 +0200 [thread overview]
Message-ID: <CA+icZUVYiX0PrxPddfv-RfGnkOUTFW_Xbv9LvPkuu+ZH3X_MCA@mail.gmail.com> (raw)
In-Reply-To: <CA+icZUVxpkCJVnibqm3+OYdfdh5U=eU_u7pPKUZMoPm3XzZWPQ@mail.gmail.com>
> So you need to pass CXX=clang++ manually when playing in tools directory:
>
> MAKE="make V=1
> MAKE_OPTS="HOSTCC=clang HOSTCXX=clang++ HOSTLD=ld.lld CC=clang
> CXX=clang++ LD=ld.lld LLVM=1 LLVM_IAS=1"
> MAKE_OPTS="MAKE_OPTS $PAHOLE=/opt/pahole/bin/pahole"
>
> $ LC_ALL=C $MAKE $MAKE_OPTS -C tools/testing/selftests/bpf/ clean
> $ LC_ALL=C $MAKE $MAKE_OPTS -C tools/testing/selftests/bpf/
>
Correct:
MAKE="make V=1"
MAKE_OPTS="HOSTCC=clang HOSTCXX=clang++ HOSTLD=ld.lld CC=clang
CXX=clang++ LD=ld.lld LLVM=1 LLVM_IAS=1"
MAKE_OPTS="$MAKE_OPTS PAHOLE=/opt/pahole/bin/pahole"
- Sedat -
next prev parent reply other threads:[~2021-04-04 15:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210403184158.2834387-1-yhs@fb.com>
2021-04-04 14:59 ` Usage of CXX in tools directory Sedat Dilek
2021-04-04 15:19 ` Sedat Dilek [this message]
2021-04-06 18:39 ` Nick Desaulniers
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