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all: switch to LLVM 13

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This adds support for building with `-tags=llvm13` and switches to LLVM
13 for tinygo binaries that are statically linked against LLVM.

Some notes on this commit:

  * Added `-mfloat-abi=soft` to all Cortex-M targets because otherwise
    nrfx would complain that floating point was enabled on Cortex-M0.
    That's not the case, but with `-mfloat-abi=soft` the `__SOFTFP__`
    macro is defined which silences this warning.
    See: https://reviews.llvm.org/D100372
  * Changed from `--sysroot=<root>` to `-nostdlib -isystem <root>` for
    musl because with Clang 13, even with `--sysroot` some system
    libraries are used which we don't want.
  * Changed all `-Xclang -internal-isystem -Xclang` to simply
    `-isystem`, for consistency with the above change. It appears to
    have the same effect.
  * Moved WebAssembly function declarations to the top of the file in
    task_asyncify_wasm.S because (apparently) the assembler has become
    more strict.
This commit is contained in:
Ayke van Laethem
2021-12-09 02:52:08 +01:00
committed by Ron Evans
parent 32a7b8cc4e
commit ebd4969cde
42 changed files with 142 additions and 124 deletions
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go.sum
+2 -4
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@@ -70,7 +70,5 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
tinygo.org/x/go-llvm v0.0.0-20210907125547-fd2d62ea06be h1:syIpWbi/yESuoyijF2nhRdgX4422sNfmij+o73B3+vU=
tinygo.org/x/go-llvm v0.0.0-20210907125547-fd2d62ea06be/go.mod h1:fv1F0BSNpxMfCL0zF3M4OPFbgYHnhtB6ST0HvUtu/LE=
tinygo.org/x/go-llvm v0.0.0-20211229125312-df8bd725853c h1:wLTSvRhuNJVvjVfRpPTwS/sftSbzhGbSiuZdjHwRwxg=
tinygo.org/x/go-llvm v0.0.0-20211229125312-df8bd725853c/go.mod h1:GFbusT2VTA4I+l4j80b17KFK+6whv69Wtny5U+T8RR0=
tinygo.org/x/go-llvm v0.0.0-20211230181020-1ddc904f6bf6 h1:p9huJkDeMFLOE5A4puIPRIewaTpQXX6OmjguUmGXJj4=
tinygo.org/x/go-llvm v0.0.0-20211230181020-1ddc904f6bf6/go.mod h1:GFbusT2VTA4I+l4j80b17KFK+6whv69Wtny5U+T8RR0=