Re: armv7 targeting (on aarch64, via poudriere-devel): system's clang 13 rejected building devel/lllvm13
Mark Millard via freebsd-toolchain <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.arm |
|---|---|
| Message-ID | <3F3F1A2B-87E2-47CA-A9C6-BC65B71F1DE7__16880.0719826081$1637005057$gmane$org@yahoo.com> |
On 2021-Nov-15, at 10:40, Dimitry Andric <[email protected]> wrote: > On 15 Nov 2021, at 19:14, Mark Millard via arm <[email protected]> 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)