7b8ae2d6b6
Without this change, my tinygo builds crash with SIGSEGV: segmentation violation PC=0x10884f87c m=16 sigcode=2 signal arrived during cgo execution goroutine 378 [syscall]: runtime.cgocall(0x100631e44, 0x1401755be88) /nix/store/4hf287252ilsdf2w36mfm8fa0rvbf33w-go-1.21.4/share/go/src/runtime/cgocall.go:157 +0x44 fp=0x1401755be50 sp=0x1401755be10 pc=0x1002a5084 tinygo.org/x/go-llvm._Cfunc_LLVMGoWriteThinLTOBitcodeToMemoryBuffer(0x123614160) _cgo_gotypes.go:6078 +0x34 fp=0x1401755be80 sp=0x1401755be50 pc=0x1004b66b4 ... and reports using LLVM 16: $ tinygo version tinygo version 0.31.0-dev darwin/arm64 (using go version go1.21.4 and LLVM version 16.0.6) I don't know why libcxx-16 is being included, but explicitly specifying llvmPackages_17.libcxx fixes the crash and version skew.
86 строки
3,4 КиБ
Nix
86 строки
3,4 КиБ
Nix
# A Nix flake file, mainly intended for developing TinyGo.
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# You can download Nix here, for use on your Linux or macOS system:
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# https://nixos.org/download.html
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# After you have installed Nix, you can enter the development environment as
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# follows:
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#
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# nix develop
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#
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# This drops you into a bash shell, where you can install TinyGo simply using
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# the following command:
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#
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# go install
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#
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# That's all! Assuming you've set up your $PATH correctly, you can now use the
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# tinygo command as usual:
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#
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# tinygo version
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#
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# But you'll need a bit more to make TinyGo actually able to compile code:
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#
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# make llvm-source # fetch compiler-rt
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# git submodule update --init --recursive # fetch lots of other libraries and SVD files
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# make gen-device -j4 # build src/device/*/*.go files
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# make wasi-libc # build support for wasi/wasm
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#
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# With this, you should have an environment that can compile anything - except
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# for the Xtensa architecture (ESP8266/ESP32) because support for that lives in
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# a separate LLVM fork.
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#
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# You can also do many other things from this environment. Building and flashing
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# should work as you're used to: it's not a VM or container so there are no
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# access restrictions and you're running in the same host environment - just
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# with a slightly different set of tools available.
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{
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inputs = {
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# Use a recent stable release, but fix the version to make it reproducible.
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# This version should be updated from time to time.
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nixpkgs.url = "nixpkgs/nixos-23.11";
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, flake-utils }:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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in
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with pkgs;
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{
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devShells.default = mkShell {
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buildInputs = [
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# These dependencies are required for building tinygo (go install).
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go
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llvmPackages_17.llvm
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llvmPackages_17.libclang
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llvmPackages_17.libcxx
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# Additional dependencies needed at runtime, for building and/or
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# flashing.
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llvmPackages_17.lld
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avrdude
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binaryen
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# Additional dependencies needed for on-chip debugging.
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# These tools are rather big (especially GDB) and not frequently
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# used, so are commented out. On-chip debugging is still possible if
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# these tools are available in the host environment.
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#gdb
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#openocd
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];
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shellHook= ''
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# Configure CLANG, LLVM_AR, and LLVM_NM for `make wasi-libc`.
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# Without setting these explicitly, Homebrew versions might be used
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# or the default `ar` and `nm` tools might be used (which don't
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# support wasi).
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export CLANG="clang-17 -resource-dir ${llvmPackages_17.clang.cc.lib}/lib/clang/17"
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export LLVM_AR=llvm-ar
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export LLVM_NM=llvm-nm
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# Make `make smoketest` work (the default is `md5`, while Nix only
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# has `md5sum`).
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export MD5SUM=md5sum
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# Ugly hack to make the Clang resources directory available.
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export GOFLAGS="\"-ldflags=-X github.com/tinygo-org/tinygo/goenv.clangResourceDir=${llvmPackages_17.clang.cc.lib}/lib/clang/17"\"
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'';
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};
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}
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);
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}
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