Date: Mon, 15 Nov 2021 11:35:30 -0800 From: Mark Millard via freebsd-toolchain <freebsd-toolchain@freebsd.org> To: Dimitry Andric <dim@FreeBSD.org> Cc: "brooks@freebsd.org" <brooks@FreeBSD.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, freebsd-ports@freebsd.org, "freebsd-arm@freebsd.org" <arm@freebsd.org> Subject: Re: armv7 targeting (on aarch64, via poudriere-devel): system's clang 13 rejected building devel/lllvm13 Message-ID: <3F3F1A2B-87E2-47CA-A9C6-BC65B71F1DE7@yahoo.com> In-Reply-To: <91AD337B-6D40-4639-A43C-688699981167@FreeBSD.org> References: <15A74B79-47CF-4743-A831-D7C0E9B1DD0E.ref@yahoo.com> <15A74B79-47CF-4743-A831-D7C0E9B1DD0E@yahoo.com> <91AD337B-6D40-4639-A43C-688699981167@FreeBSD.org>
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On 2021-Nov-15, at 10:40, Dimitry Andric <dim@FreeBSD.org> wrote:
> On 15 Nov 2021, at 19:14, Mark Millard via arm <arm@freebsd.org> wrote:
>>
>> There error was:
>>
>> error: non-constant-expression cannot be narrowed from type 'long long' to 'std::size_t' (aka 'unsi
>> gned int') in initializer list [-Wc++11-narrowing]
>> std::size_t resultBytes{size * elementBytes};
>> ^~~~~~~~~~~~~~~~~~~
>> /wrkdirs/usr/ports/devel/llvm13/work/llvm-project-13.0.0.src/flang/runtime/misc-intrinsic.cpp:50:27: note: insert an explicit cast to silence this issue
>> std::size_t resultBytes{size * elementBytes};
>> ^~~~~~~~~~~~~~~~~~~
>> static_cast<size_t>( )
>
> The flang subproject does quite a lot of mixing of size_t and uint64_t, assuming in various places that they are the same. You will also encounter similar errors when attempting to build it for e.g. i386, or other 32 bit architectures. I think it is quite a lot of work to get all of these right, and it should really be discussed upstream.
>
> So for now, I would advise to only turn on the flang option for amd64 by default.
flang was not being built:
# more /usr/local/etc/poudriere.d/options/devel_llvm13/options
# This file is auto-generated by 'make config'.
# Options for llvm13-13.0.0
_OPTIONS_READ=llvm13-13.0.0
_FILE_COMPLETE_OPTIONS_LIST=BE_AMDGPU CLANG DOCS EXTRAS FLANG LIT LLD LLDB MLIR OPENMP PYCLANG BE_FREEBSD BE_NATIVE BE_STANDARD
OPTIONS_FILE_SET+=BE_AMDGPU
OPTIONS_FILE_SET+=CLANG
OPTIONS_FILE_SET+=DOCS
OPTIONS_FILE_SET+=EXTRAS
OPTIONS_FILE_UNSET+=FLANG
OPTIONS_FILE_SET+=LIT
OPTIONS_FILE_SET+=LLD
OPTIONS_FILE_SET+=LLDB
OPTIONS_FILE_SET+=MLIR
OPTIONS_FILE_UNSET+=OPENMP
OPTIONS_FILE_UNSET+=PYCLANG
OPTIONS_FILE_UNSET+=BE_FREEBSD
OPTIONS_FILE_SET+=BE_NATIVE
OPTIONS_FILE_UNSET+=BE_STANDARD
===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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