Done in response to a few PRs which I made to wasi-libc to make things better for downstream packagers like us.
52 lines
1.5 KiB
Nix
52 lines
1.5 KiB
Nix
{ stdenv, buildPackages, fetchFromGitHub, lib }:
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stdenv.mkDerivation {
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pname = "wasilibc";
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version = "unstable-2022-04-12";
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src = buildPackages.fetchFromGitHub {
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owner = "WebAssembly";
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repo = "wasi-libc";
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rev = "a279514a6ef30cd8ee1469345b33172fcbc8d52d";
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sha256 = "0a9ldas8p7jg7jlkhb9wdiw141z7vfz6p18mnmxnnnna7bp1y3fz";
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fetchSubmodules = true;
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};
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outputs = [ "out" "dev" "share" ];
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# clang-13: error: argument unused during compilation: '-rtlib=compiler-rt' [-Werror,-Wunused-command-line-argument]
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postPatch = ''
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substituteInPlace Makefile \
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--replace "-Werror" ""
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'';
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preBuild = ''
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export SYSROOT_LIB=${builtins.placeholder "out"}/lib
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export SYSROOT_INC=${builtins.placeholder "dev"}/include
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export SYSROOT_SHARE=${builtins.placeholder "share"}/share
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mkdir -p "$SYSROOT_LIB" "$SYSROOT_INC" "$SYSROOT_SHARE"
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makeFlagsArray+=(
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"SYSROOT_LIB:=$SYSROOT_LIB"
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"SYSROOT_INC:=$SYSROOT_INC"
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"SYSROOT_SHARE:=$SYSROOT_SHARE"
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)
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'';
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enableParallelBuilding = true;
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# We just build right into the install paths, per the `preBuild`.
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dontInstall = true;
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preFixup = ''
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ln -s $share/share/undefined-symbols.txt $out/lib/wasi.imports
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'';
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meta = with lib; {
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description = "WASI libc implementation for WebAssembly";
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homepage = "https://wasi.dev";
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platforms = platforms.wasi;
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maintainers = with maintainers; [ matthewbauer ];
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license = with licenses; [ asl20 mit llvm-exception ];
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};
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}
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