nixpkgs-ci[bot]
94 lines
2.8 KiB
Nix
94 lines
2.8 KiB
Nix
{
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lib,
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stdenv,
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runCommand,
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writeText,
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clang-unwrapped,
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clang,
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libcxxClang,
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llvm_meta,
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# enableLibcxx will use the c++ headers from clang instead of gcc.
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# This shouldn't have any effect on platforms that use clang as the default compiler already.
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enableLibcxx ? false,
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}:
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stdenv.mkDerivation (finalAttrs: {
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pname = "clang-tools";
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version = lib.getVersion clang-unwrapped;
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dontUnpack = true;
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clang = if enableLibcxx then libcxxClang else clang;
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installPhase = ''
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runHook preInstall
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mkdir -p $out/bin
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for script in ${clang-unwrapped.python}/share/clang/* ${clang-unwrapped.python}/bin/*; do
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if [[ -x "$script" ]]; then
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ln -s $script $out/bin/$(basename "$script" .py)
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fi
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done
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for toolPath in ${clang-unwrapped}/bin/clangd ${clang-unwrapped}/bin/clang-*; do
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toolName=$(basename "$toolPath")
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# Compilers have their own derivations, no need to include them here
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if [[ $toolName == "clang-cl" || $toolName == "clang-cpp" || $toolName =~ ^clang\-[0-9]+$ ]]; then
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continue
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fi
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cp $toolPath $out/bin/$toolName-unwrapped
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substituteAll ${./wrapper} $out/bin/$toolName
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chmod +x $out/bin/$toolName
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done
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# clangd etc. find standard header files by looking at the directory the
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# tool is located in and appending `../lib` to the search path. Since we
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# are copying the binaries, they expect to find `$out/lib` present right
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# within this derivation, containing `stddef.h` and so on.
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#
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# Note that using `ln -s` instead of `cp` in the loop above wouldn't avoid
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# this problem, since it's `clang-unwrapped` which separates libs into a
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# different output in the first place - here we are merely "merging" the
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# directories back together, as expected by the tools.
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ln -s ${clang-unwrapped.lib}/lib $out/lib
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runHook postInstall
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'';
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passthru.tests =
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let
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src = writeText "main.cpp" ''
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#include <iostream>
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int main() {
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std::cout << "Hi!";
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}
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'';
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in
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{
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smokeOk = runCommand "clang-tools-test-smoke-ok" { } ''
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${finalAttrs.finalPackage}/bin/clangd --check=${src}
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touch $out
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'';
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smokeErr = runCommand "clang-tools-test-smoke-err" { } ''
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(${finalAttrs.finalPackage}/bin/clangd --query-driver='**' --check=${src} 2>&1 || true) \
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| grep 'use of undeclared identifier'
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touch $out
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'';
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environmentErr = runCommand "clang-tools-test-environment-err" { } ''
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(CLANGD_FLAGS="--query-driver='**'" ${finalAttrs.finalPackage}/bin/clangd --check=${src} 2>&1 || true) \
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| grep 'use of undeclared identifier'
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touch $out
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'';
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};
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meta = llvm_meta // {
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description = "Standalone command line tools for C++ development";
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maintainers = with lib.maintainers; [ patryk27 ];
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};
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})
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