clang: build with Ninja for all versions

Older versions using Make is a relic of old stdenv bootstrap.

.git-blame-ignore-revs

@@ -121,3 +121,6 @@ c759efa5e7f825913f9a69ef20f025f50f56dc4d
 
 # python3Packages: format with nixfmt
 59b1aef59071cae6e87859dc65de973d2cc595c0
+
+# pkgs/development/compilers/llvm/common: Reformat with nixfmt-rfc-style
+65e2d797a234feb71c787ad3ef0cafc52299bb37

.github/workflows/check-nix-format.yml

@@ -43,6 +43,7 @@ jobs:
             nixos/modules/services/cluster/k3s
             nixos/tests/k3s
             pkgs/applications/networking/cluster/k3s
+          NIX_FMT_PATHS_LLVM_COMMON: pkgs/development/compilers/llvm/common
           NIX_FMT_PATHS_VSCODE_EXTS: pkgs/applications/editors/vscode/extensions
           NIX_FMT_PATHS_PHP_PACKAGES: pkgs/development/php-packages
           NIX_FMT_PATHS_BUILD_SUPPORT_PHP: pkgs/build-support/php

pkgs/development/compilers/llvm/common/bintools.nix

@@ -1,17 +1,28 @@
-{ lib, runCommand, stdenv, llvm, lld, version, release_version }:
+{
+  lib,
+  runCommand,
+  stdenv,
+  llvm,
+  lld,
+  version,
+  release_version,
+}:
 
 let
-  targetPrefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
+  targetPrefix = lib.optionalString (
+    stdenv.hostPlatform != stdenv.targetPlatform
+  ) "${stdenv.targetPlatform.config}-";
 in
 runCommand "llvm-binutils-${version}"
-{
+  {
     preferLocalBuild = true;
     passthru = {
       isLLVM = true;
       inherit targetPrefix;
     };
-}
-  (''
+  }
+  (
+    ''
       mkdir -p $out/bin
       for prog in ${lld}/bin/*; do
         ln -s $prog $out/bin/${targetPrefix}$(basename $prog)
@@ -44,6 +55,8 @@ runCommand "llvm-binutils-${version}"
       ln -s ${lld}/bin/lld $out/bin/${targetPrefix}ld
 
       # Only >=13 show GNU windres compatible in help
-  '' + lib.optionalString (lib.versionAtLeast release_version "13") ''
+    ''
+    + lib.optionalString (lib.versionAtLeast release_version "13") ''
       ln -s $llvmBin/llvm-rc $out/bin/${targetPrefix}windres
-  '')
+    ''
+  )

pkgs/development/compilers/llvm/common/clang/default.nix

@@ -1,148 +1,208 @@
-{ lib
-, stdenv
-, llvm_meta
-, patches ? []
-, src ? null
-, monorepoSrc ? null
-, runCommand
-, substituteAll
-, cmake
-, ninja
-, libxml2
-, libllvm
-, release_version
-, version
-, python3
-, buildLlvmTools
-, fixDarwinDylibNames
-, enableManpages ? false
-, clang-tools-extra_src ? null
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  patches ? [ ],
+  src ? null,
+  monorepoSrc ? null,
+  runCommand,
+  substituteAll,
+  cmake,
+  ninja,
+  libxml2,
+  libllvm,
+  release_version,
+  version,
+  python3,
+  buildLlvmTools,
+  fixDarwinDylibNames,
+  enableManpages ? false,
+  clang-tools-extra_src ? null,
 }:
 
 let
   pname = "clang";
 
-  src' = if monorepoSrc != null then
-    runCommand "${pname}-src-${version}" {} ''
+  src' =
+    if monorepoSrc != null then
+      runCommand "${pname}-src-${version}" { } ''
         mkdir -p "$out"
         cp -r ${monorepoSrc}/cmake "$out"
         cp -r ${monorepoSrc}/${pname} "$out"
         cp -r ${monorepoSrc}/clang-tools-extra "$out"
-    '' else src;
-
-  self = stdenv.mkDerivation (finalAttrs: rec {
+      ''
+    else
+      src;
+in
+stdenv.mkDerivation (
+  finalAttrs:
+  rec {
     inherit pname version patches;
 
     src = src';
 
-    sourceRoot = if lib.versionOlder release_version "13" then null
-      else "${src.name}/${pname}";
+    sourceRoot = if lib.versionOlder release_version "13" then null else "${src.name}/${pname}";
 
-    nativeBuildInputs = [ cmake ]
-      ++ (lib.optional (lib.versionAtLeast release_version "15") ninja)
-      ++ [ python3 ]
+    nativeBuildInputs =
+      [
+        cmake
+        ninja
+        python3
+      ]
       ++ lib.optional (lib.versionAtLeast version "18" && enableManpages) python3.pkgs.myst-parser
       ++ lib.optional enableManpages python3.pkgs.sphinx
       ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
 
-    buildInputs = [ libxml2 libllvm ];
+    buildInputs = [
+      libxml2
+      libllvm
+    ];
 
-    cmakeFlags = (lib.optionals (lib.versionAtLeast release_version "15") [
-      "-DCLANG_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/clang"
-    ]) ++ [
+    cmakeFlags =
+      [
+        "-DCMAKE_INSTALL_PACKAGEDIR=${placeholder "dev"}/lib/"
         "-DCLANGD_BUILD_XPC=OFF"
         "-DLLVM_ENABLE_RTTI=ON"
-    ] ++ lib.optionals (lib.versionAtLeast release_version "17") [
-      "-DLLVM_INCLUDE_TESTS=OFF"
-    ] ++ lib.optionals enableManpages [
+        (lib.cmakeBool "LLVM_INCLUDE_TESTS" finalAttrs.doCheck)
+      ]
+      ++ lib.optionals enableManpages [
         "-DCLANG_INCLUDE_DOCS=ON"
         "-DLLVM_ENABLE_SPHINX=ON"
         "-DSPHINX_OUTPUT_MAN=ON"
         "-DSPHINX_OUTPUT_HTML=OFF"
         "-DSPHINX_WARNINGS_AS_ERRORS=OFF"
-    ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) ([
+      ]
+      ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) (
+        [
           "-DLLVM_TABLEGEN_EXE=${buildLlvmTools.llvm}/bin/llvm-tblgen"
           "-DCLANG_TABLEGEN=${buildLlvmTools.libclang.dev}/bin/clang-tblgen"
-    ] ++ lib.optionals (lib.versionAtLeast release_version "15") [
+        ]
+        ++ lib.optionals (lib.versionAtLeast release_version "15") [
           # Added in LLVM15:
           # `clang-tidy-confusable-chars-gen`: https://github.com/llvm/llvm-project/commit/c3574ef739fbfcc59d405985a3a4fa6f4619ecdb
           # `clang-pseudo-gen`: https://github.com/llvm/llvm-project/commit/cd2292ef824591cc34cc299910a3098545c840c7
           "-DCLANG_TIDY_CONFUSABLE_CHARS_GEN=${buildLlvmTools.libclang.dev}/bin/clang-tidy-confusable-chars-gen"
           "-DCLANG_PSEUDO_GEN=${buildLlvmTools.libclang.dev}/bin/clang-pseudo-gen"
-    ]);
+        ]
+      );
 
-    postPatch = ''
+    postPatch =
+      ''
         # Make sure clang passes the correct location of libLTO to ld64
         substituteInPlace lib/Driver/ToolChains/Darwin.cpp \
           --replace-fail 'StringRef P = llvm::sys::path::parent_path(D.Dir);' 'StringRef P = "${lib.getLib libllvm}";'
-    '' + (if lib.versionOlder release_version "13" then ''
+      ''
+      + (
+        if lib.versionOlder release_version "13" then
+          ''
             sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' \
                    -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' \
                    lib/Driver/ToolChains/*.cpp
-    '' else ''
+          ''
+        else
+          ''
             (cd tools && ln -s ../../clang-tools-extra extra)
-    '') + lib.optionalString stdenv.hostPlatform.isMusl ''
+          ''
+      )
+      + lib.optionalString stdenv.hostPlatform.isMusl ''
         sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/ToolChains/*.cpp
       '';
 
-    outputs = [ "out" "lib" "dev" "python" ];
+    outputs = [
+      "out"
+      "lib"
+      "dev"
+      "python"
+    ];
 
-    postInstall = ''
+    postInstall =
+      ''
         ln -sv $out/bin/clang $out/bin/cpp
-    '' + (lib.optionalString (lib.versions.major release_version == "17") ''
+      ''
+      + (lib.optionalString (lib.versions.major release_version == "17") ''
 
         mkdir -p $lib/lib/clang
         mv $lib/lib/17 $lib/lib/clang/17
-    '') + ''
+      '')
+      + ''
 
         # Move libclang to 'lib' output
         moveToOutput "lib/libclang.*" "$lib"
         moveToOutput "lib/libclang-cpp.*" "$lib"
-    '' + (if lib.versionOlder release_version "15" then ''
+      ''
+      + (
+        if lib.versionOlder release_version "15" then
+          ''
             substituteInPlace $out/lib/cmake/clang/ClangTargets-release.cmake \
                 --replace "\''${_IMPORT_PREFIX}/lib/libclang." "$lib/lib/libclang." \
                 --replace "\''${_IMPORT_PREFIX}/lib/libclang-cpp." "$lib/lib/libclang-cpp."
-    '' else ''
+          ''
+        else
+          ''
             substituteInPlace $dev/lib/cmake/clang/ClangTargets-release.cmake \
                 --replace "\''${_IMPORT_PREFIX}/lib/libclang." "$lib/lib/libclang." \
                 --replace "\''${_IMPORT_PREFIX}/lib/libclang-cpp." "$lib/lib/libclang-cpp."
-    '') + ''
+          ''
+      )
+      + ''
 
-    '' + (if lib.versionOlder release_version "15" then ''
+      ''
+      + (
+        if lib.versionOlder release_version "15" then
+          ''
             mkdir -p $python/bin $python/share/{clang,scan-view}
-    '' else ''
+          ''
+        else
+          ''
             mkdir -p $python/bin $python/share/clang/
-    '') + ''
+          ''
+      )
+      + ''
         mv $out/bin/{git-clang-format,scan-view} $python/bin
         if [ -e $out/bin/set-xcode-analyzer ]; then
           mv $out/bin/set-xcode-analyzer $python/bin
         fi
         mv $out/share/clang/*.py $python/share/clang
-    '' + (lib.optionalString (lib.versionOlder release_version "15") ''
+      ''
+      + (lib.optionalString (lib.versionOlder release_version "15") ''
         mv $out/share/scan-view/*.py $python/share/scan-view
-    '') + ''
+      '')
+      + ''
         rm $out/bin/c-index-test
         patchShebangs $python/bin
 
         mkdir -p $dev/bin
-    '' + (if lib.versionOlder release_version "15" then ''
+      ''
+      + (
+        if lib.versionOlder release_version "15" then
+          ''
             cp bin/clang-tblgen $dev/bin
-    '' else ''
+          ''
+        else
+          ''
             cp bin/{clang-tblgen,clang-tidy-confusable-chars-gen,clang-pseudo-gen} $dev/bin
-    '');
+          ''
+      );
 
-    passthru = {
+    doCheck = false;
+
+    passthru =
+      {
         inherit libllvm;
         isClang = true;
-    } // (lib.optionalAttrs (lib.versionAtLeast release_version "15") {
+      }
+      // (lib.optionalAttrs (lib.versionAtLeast release_version "15") {
+        hardeningUnsupportedFlags = [ "fortify3" ];
+        hardeningUnsupportedFlagsByTargetPlatform =
+          targetPlatform:
+          lib.optional (!(targetPlatform.isx86_64 || targetPlatform.isAarch64)) "zerocallusedregs"
+          ++ (finalAttrs.passthru.hardeningUnsupportedFlags or [ ]);
+      })
+      // (lib.optionalAttrs (lib.versionOlder release_version "15") {
         hardeningUnsupportedFlags = [
           "fortify3"
+          "zerocallusedregs"
         ];
-      hardeningUnsupportedFlagsByTargetPlatform = targetPlatform:
-        lib.optional (!(targetPlatform.isx86_64 || targetPlatform.isAarch64)) "zerocallusedregs"
-        ++ (finalAttrs.passthru.hardeningUnsupportedFlags or []);
-    }) // (lib.optionalAttrs (lib.versionOlder release_version "15") {
-      hardeningUnsupportedFlags = [ "fortify3" "zerocallusedregs" ];
       });
 
     meta = llvm_meta // {
@@ -161,7 +221,8 @@ let
       '';
       mainProgram = "clang";
     };
-  } // lib.optionalAttrs enableManpages ({
+  }
+  // lib.optionalAttrs enableManpages {
     pname = "clang-manpages";
 
     installPhase = ''
@@ -177,13 +238,10 @@ let
     meta = llvm_meta // {
       description = "man page for Clang ${version}";
     };
-  } // (if lib.versionOlder release_version "15" then {
-    buildPhase = ''
-      make docs-clang-man
-    '';
-  } else {
+
     ninjaFlags = [ "docs-clang-man" ];
-  })) // (lib.optionalAttrs (clang-tools-extra_src != null) { inherit clang-tools-extra_src; })
+  }
+  // (lib.optionalAttrs (clang-tools-extra_src != null) { inherit clang-tools-extra_src; })
   // (lib.optionalAttrs (lib.versionOlder release_version "13") {
     unpackPhase = ''
       unpackFile $src
@@ -201,5 +259,5 @@ let
       # 12, but appears to occur only for cross compiles.
       NIX_CFLAGS_COMPILE = "-Wno-maybe-uninitialized";
     };
-  }));
-in self
+  })
+)

pkgs/development/compilers/llvm/common/common-let.nix

@@ -1,9 +1,10 @@
-{ lib
-, fetchFromGitHub ? null
-, release_version ? null
-, gitRelease ? null
-, officialRelease ? null
-, monorepoSrc' ? null
+{
+  lib,
+  fetchFromGitHub ? null,
+  release_version ? null,
+  gitRelease ? null,
+  officialRelease ? null,
+  monorepoSrc' ? null,
 }:
 
 rec {
@@ -13,30 +14,30 @@ rec {
 
     # See llvm/cmake/config-ix.cmake.
     platforms =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86 ++
-      lib.optionals (lib.versionAtLeast release_version "7") lib.platforms.riscv ++
-      lib.optionals (lib.versionAtLeast release_version "14") lib.platforms.m68k;
+      lib.platforms.aarch64
+      ++ lib.platforms.arm
+      ++ lib.platforms.mips
+      ++ lib.platforms.power
+      ++ lib.platforms.s390x
+      ++ lib.platforms.wasi
+      ++ lib.platforms.x86
+      ++ lib.optionals (lib.versionAtLeast release_version "7") lib.platforms.riscv
+      ++ lib.optionals (lib.versionAtLeast release_version "14") lib.platforms.m68k;
   };
 
   releaseInfo =
-    if gitRelease != null then rec {
+    if gitRelease != null then
+      rec {
         original = gitRelease;
         release_version = original.version;
         version = gitRelease.rev-version;
-    } else rec {
+      }
+    else
+      rec {
         original = officialRelease;
         release_version = original.version;
         version =
-        if original ? candidate then
-          "${release_version}-${original.candidate}"
-        else
-          release_version;
+          if original ? candidate then "${release_version}-${original.candidate}" else release_version;
       };
 
   monorepoSrc =
@@ -45,16 +46,11 @@ rec {
     else
       let
         sha256 = releaseInfo.original.sha256;
-        rev =
-          if gitRelease != null then
-            gitRelease.rev
-          else
-            "llvmorg-${releaseInfo.version}";
+        rev = if gitRelease != null then gitRelease.rev else "llvmorg-${releaseInfo.version}";
       in
       fetchFromGitHub {
         owner = "llvm";
         repo = "llvm-project";
         inherit rev sha256;
       };
-
 }

pkgs/development/compilers/llvm/common/compiler-rt/default.nix

@@ -1,20 +1,21 @@
-{ lib
-, stdenv
-, llvm_meta
-, release_version
-, version
-, patches ? []
-, src ? null
-, monorepoSrc ? null
-, runCommand
-, cmake
-, ninja
-, python3
-, xcbuild
-, libllvm
-, linuxHeaders
-, libxcrypt
-, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  release_version,
+  version,
+  patches ? [ ],
+  src ? null,
+  monorepoSrc ? null,
+  runCommand,
+  cmake,
+  ninja,
+  python3,
+  xcbuild,
+  libllvm,
+  linuxHeaders,
+  libxcrypt,
+  doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD,
 }:
 
 let
@@ -22,128 +23,168 @@ let
   useLLVM = stdenv.hostPlatform.useLLVM or false;
   bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none";
   haveLibc = stdenv.cc.libc != null;
-  isDarwinStatic = stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isStatic && lib.versionAtLeast release_version "16";
+  isDarwinStatic =
+    stdenv.hostPlatform.isDarwin
+    && stdenv.hostPlatform.isStatic
+    && lib.versionAtLeast release_version "16";
   inherit (stdenv.hostPlatform) isMusl isAarch64;
 
   baseName = "compiler-rt";
   pname = baseName + lib.optionalString (haveLibc) "-libc";
 
-  src' = if monorepoSrc != null then
-    runCommand "${baseName}-src-${version}" {} ''
+  src' =
+    if monorepoSrc != null then
+      runCommand "${baseName}-src-${version}" { } ''
         mkdir -p "$out"
         cp -r ${monorepoSrc}/cmake "$out"
         cp -r ${monorepoSrc}/${baseName} "$out"
-    '' else src;
+      ''
+    else
+      src;
 
   preConfigure = lib.optionalString (useLLVM && !haveLibc) ''
     cmakeFlagsArray+=(-DCMAKE_C_FLAGS="-nodefaultlibs -ffreestanding")
   '';
 in
 
-stdenv.mkDerivation ({
+stdenv.mkDerivation (
+  {
     inherit pname version patches;
 
     src = src';
-  sourceRoot = if lib.versionOlder release_version "13" then null
-    else "${src'.name}/${baseName}";
+    sourceRoot = if lib.versionOlder release_version "13" then null else "${src'.name}/${baseName}";
 
-  nativeBuildInputs = [ cmake ]
+    nativeBuildInputs =
+      [ cmake ]
       ++ (lib.optional (lib.versionAtLeast release_version "15") ninja)
-    ++ [ python3 libllvm.dev ]
+      ++ [
+        python3
+        libllvm.dev
+      ]
       ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
-  buildInputs =
-    lib.optional (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isRiscV) linuxHeaders;
+    buildInputs = lib.optional (
+      stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isRiscV
+    ) linuxHeaders;
 
-  env.NIX_CFLAGS_COMPILE = toString ([
-    "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
-  ] ++ lib.optionals (!haveLibc) [
+    env.NIX_CFLAGS_COMPILE = toString (
+      [ "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0" ]
+      ++ lib.optionals (!haveLibc) [
         # The compiler got stricter about this, and there is a usellvm patch below
         # which patches out the assert include causing an implicit definition of
         # assert. It would be nicer to understand why compiler-rt thinks it should
         # be able to #include <assert.h> in the first place; perhaps it's in the
         # wrong, or perhaps there is a way to provide an assert.h.
         "-Wno-error=implicit-function-declaration"
-  ]);
+      ]
+    );
 
-  cmakeFlags = [
+    cmakeFlags =
+      [
         "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
         "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}"
         "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}"
-  ] ++ lib.optionals (haveLibc && stdenv.hostPlatform.libc == "glibc") [
+      ]
+      ++ lib.optionals (haveLibc && stdenv.hostPlatform.libc == "glibc") [
         "-DSANITIZER_COMMON_CFLAGS=-I${libxcrypt}/include"
-  ] ++ lib.optionals ((useLLVM || bareMetal || isMusl || isAarch64) && (lib.versions.major release_version == "13")) [
-    "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
-  ] ++ lib.optionals (useLLVM || bareMetal || isMusl || isDarwinStatic) [
+      ]
+      ++ lib.optionals (
+        (useLLVM || bareMetal || isMusl || isAarch64) && (lib.versions.major release_version == "13")
+      ) [ "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF" ]
+      ++ lib.optionals (useLLVM || bareMetal || isMusl || isDarwinStatic) [
         "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
         "-DCOMPILER_RT_BUILD_XRAY=OFF"
         "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
         "-DCOMPILER_RT_BUILD_MEMPROF=OFF"
         "-DCOMPILER_RT_BUILD_ORC=OFF" # may be possible to build with musl if necessary
-  ] ++ lib.optionals (useLLVM || bareMetal) [
-     "-DCOMPILER_RT_BUILD_PROFILE=OFF"
-  ] ++ lib.optionals ((useLLVM && !haveLibc) || bareMetal || isDarwinStatic) [
+      ]
+      ++ lib.optionals (useLLVM || bareMetal) [ "-DCOMPILER_RT_BUILD_PROFILE=OFF" ]
+      ++ lib.optionals ((useLLVM && !haveLibc) || bareMetal || isDarwinStatic) [
         "-DCMAKE_CXX_COMPILER_WORKS=ON"
-  ] ++ lib.optionals ((useLLVM && !haveLibc) || bareMetal) [
+      ]
+      ++ lib.optionals ((useLLVM && !haveLibc) || bareMetal) [
         "-DCMAKE_C_COMPILER_WORKS=ON"
         "-DCOMPILER_RT_BAREMETAL_BUILD=ON"
         "-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}"
-  ] ++ lib.optionals (useLLVM && !haveLibc) [
-    "-DCMAKE_C_FLAGS=-nodefaultlibs"
-  ] ++ lib.optionals (useLLVM) [
+      ]
+      ++ lib.optionals (useLLVM && !haveLibc) [ "-DCMAKE_C_FLAGS=-nodefaultlibs" ]
+      ++ lib.optionals (useLLVM) [
         "-DCOMPILER_RT_BUILD_BUILTINS=ON"
         #https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
         "-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY"
-  ] ++ lib.optionals (bareMetal) [
-    "-DCOMPILER_RT_OS_DIR=baremetal"
-  ] ++ lib.optionals (stdenv.hostPlatform.isDarwin) (lib.optionals (lib.versionAtLeast release_version "16") [
+      ]
+      ++ lib.optionals (bareMetal) [ "-DCOMPILER_RT_OS_DIR=baremetal" ]
+      ++ lib.optionals (stdenv.hostPlatform.isDarwin) (
+        lib.optionals (lib.versionAtLeast release_version "16") [
           "-DCMAKE_LIPO=${lib.getBin stdenv.cc.bintools.bintools}/bin/${stdenv.cc.targetPrefix}lipo"
-  ] ++ [
+        ]
+        ++ [
           "-DDARWIN_macosx_OVERRIDE_SDK_VERSION=ON"
           "-DDARWIN_osx_ARCHS=${stdenv.hostPlatform.darwinArch}"
           "-DDARWIN_osx_BUILTIN_ARCHS=${stdenv.hostPlatform.darwinArch}"
-  ] ++ lib.optionals (lib.versionAtLeast release_version "15") [
+        ]
+        ++ lib.optionals (lib.versionAtLeast release_version "15") [
           # `COMPILER_RT_DEFAULT_TARGET_ONLY` does not apply to Darwin:
           # https://github.com/llvm/llvm-project/blob/27ef42bec80b6c010b7b3729ed0528619521a690/compiler-rt/cmake/base-config-ix.cmake#L153
           "-DCOMPILER_RT_ENABLE_IOS=OFF"
-  ]) ++ lib.optionals (lib.versionAtLeast version "19" && stdenv.isDarwin && lib.versionOlder stdenv.hostPlatform.darwinMinVersion "10.13") [
-    "-DSANITIZER_MIN_OSX_VERSION=10.10"
-  ];
+        ]
+      )
+      ++ lib.optionals (
+        lib.versionAtLeast version "19"
+        && stdenv.isDarwin
+        && lib.versionOlder stdenv.hostPlatform.darwinMinVersion "10.13"
+      ) [ "-DSANITIZER_MIN_OSX_VERSION=10.10" ];
 
-  outputs = [ "out" "dev" ];
+    outputs = [
+      "out"
+      "dev"
+    ];
 
     # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
     # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
     # can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
     # get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
     # a flag and turn the flag off during the stdenv build.
-  postPatch = lib.optionalString (!stdenv.isDarwin) ''
+    postPatch =
+      lib.optionalString (!stdenv.isDarwin) ''
         substituteInPlace cmake/builtin-config-ix.cmake \
           --replace 'set(X86 i386)' 'set(X86 i386 i486 i586 i686)'
-  '' + lib.optionalString stdenv.isDarwin ''
+      ''
+      + lib.optionalString stdenv.isDarwin ''
         substituteInPlace cmake/config-ix.cmake \
           --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
-  '' + lib.optionalString (useLLVM && !haveLibc) ((lib.optionalString (lib.versionAtLeast release_version "18") ''
+      ''
+      + lib.optionalString (useLLVM && !haveLibc) (
+        (lib.optionalString (lib.versionAtLeast release_version "18") ''
           substituteInPlace lib/builtins/aarch64/sme-libc-routines.c \
             --replace "<stdlib.h>" "<stddef.h>"
-  '') + ''
+        '')
+        + ''
           substituteInPlace lib/builtins/int_util.c \
             --replace "#include <stdlib.h>" ""
-  '' + (if stdenv.hostPlatform.isFreeBSD then
+        ''
+        + (
+          if stdenv.hostPlatform.isFreeBSD then
             # As per above, but in FreeBSD assert is a macro and simply allowing it to be implicitly declared causes Issues!!!!!
             ''
               substituteInPlace lib/builtins/clear_cache.c lib/builtins/cpu_model.c \
                 --replace "#include <assert.h>" "#define assert(e) ((e)?(void)0:__assert(__FUNCTION__,__FILE__,__LINE__,#e))"
-    '' else ''
+            ''
+          else
+            ''
               substituteInPlace lib/builtins/clear_cache.c \
                 --replace "#include <assert.h>" ""
               substituteInPlace lib/builtins/cpu_model${lib.optionalString (lib.versionAtLeast version "18") "/x86"}.c \
                 --replace "#include <assert.h>" ""
-  ''));
+            ''
+        )
+      );
 
     # Hack around weird upsream RPATH bug
-  postInstall = lib.optionalString (stdenv.hostPlatform.isDarwin) ''
+    postInstall =
+      lib.optionalString (stdenv.hostPlatform.isDarwin) ''
         ln -s "$out/lib"/*/* "$out/lib"
-  '' + lib.optionalString (useLLVM && stdenv.hostPlatform.isLinux) ''
+      ''
+      + lib.optionalString (useLLVM && stdenv.hostPlatform.isLinux) ''
         ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o
         ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
         # Note the history of crt{begin,end}S in previous versions of llvm in nixpkg:
@@ -154,7 +195,8 @@ stdenv.mkDerivation ({
         ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtendS.o
         ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
         ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
-  '' + lib.optionalString doFakeLibgcc ''
+      ''
+      + lib.optionalString doFakeLibgcc ''
         ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
       '';
 
@@ -171,9 +213,14 @@ stdenv.mkDerivation ({
       '';
       # "All of the code in the compiler-rt project is dual licensed under the MIT
       # license and the UIUC License (a BSD-like license)":
-    license = with lib.licenses; [ mit ncsa ];
+      license = with lib.licenses; [
+        mit
+        ncsa
+      ];
       # compiler-rt requires a Clang stdenv on 32-bit RISC-V:
       # https://reviews.llvm.org/D43106#1019077
       broken = stdenv.hostPlatform.isRiscV32 && !stdenv.cc.isClang;
     };
-} // (if lib.versionOlder release_version "16" then { inherit preConfigure; } else {}))
+  }
+  // (if lib.versionOlder release_version "16" then { inherit preConfigure; } else { })
+)

pkgs/development/compilers/llvm/common/libclc.nix

@@ -1,10 +1,22 @@
-{ lib, stdenv, version, runCommand, monorepoSrc, llvm, buildPackages, buildLlvmTools, ninja, cmake, python3 }:
+{
+  lib,
+  stdenv,
+  version,
+  runCommand,
+  monorepoSrc,
+  llvm,
+  buildPackages,
+  buildLlvmTools,
+  ninja,
+  cmake,
+  python3,
+}:
 
 stdenv.mkDerivation rec {
   pname = "libclc";
   inherit version;
 
-  src = runCommand "${pname}-src-${version}" {} ''
+  src = runCommand "${pname}-src-${version}" { } ''
     mkdir -p "$out"
     cp -r ${monorepoSrc}/cmake "$out"
     cp -r ${monorepoSrc}/${pname} "$out"
@@ -12,14 +24,16 @@ stdenv.mkDerivation rec {
 
   sourceRoot = "${src.name}/${pname}";
 
-  outputs = [ "out" "dev" ];
-
-  patches = [
-    ./libclc/libclc-gnu-install-dirs.patch
+  outputs = [
+    "out"
+    "dev"
   ];
 
+  patches = [ ./libclc/libclc-gnu-install-dirs.patch ];
+
   # cmake expects all required binaries to be in the same place, so it will not be able to find clang without the patch
-  postPatch = ''
+  postPatch =
+    ''
       substituteInPlace CMakeLists.txt \
         --replace 'find_program( LLVM_CLANG clang PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
                   'find_program( LLVM_CLANG clang PATHS "${buildLlvmTools.clang.cc}/bin" NO_DEFAULT_PATH )' \
@@ -30,13 +44,20 @@ stdenv.mkDerivation rec {
         --replace 'find_program( LLVM_OPT opt PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
                   'find_program( LLVM_OPT opt PATHS "${buildLlvmTools.llvm}/bin" NO_DEFAULT_PATH )' \
         --replace 'find_program( LLVM_SPIRV llvm-spirv PATHS ''${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )' \
-                'find_program( LLVM_SPIRV llvm-spirv PATHS "${buildPackages.spirv-llvm-translator.override { inherit (buildLlvmTools) llvm; }}/bin" NO_DEFAULT_PATH )'
-  '' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+                  'find_program( LLVM_SPIRV llvm-spirv PATHS "${
+                    buildPackages.spirv-llvm-translator.override { inherit (buildLlvmTools) llvm; }
+                  }/bin" NO_DEFAULT_PATH )'
+    ''
+    + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
       substituteInPlace CMakeLists.txt \
         --replace 'COMMAND prepare_builtins' 'COMMAND ${buildLlvmTools.libclc.dev}/bin/prepare_builtins'
     '';
 
-  nativeBuildInputs = [ cmake ninja python3 ];
+  nativeBuildInputs = [
+    cmake
+    ninja
+    python3
+  ];
   buildInputs = [ llvm ];
   strictDeps = true;
 

pkgs/development/compilers/llvm/common/libcxx/default.nix

@@ -1,22 +1,23 @@
-{ lib
-, stdenv
-, llvm_meta
-, release_version
-, monorepoSrc ? null
-, src ? null
-, patches ? []
-, runCommand
-, substitute
-, cmake
-, lndir
-, ninja
-, python3
-, fixDarwinDylibNames
-, version
-, cxxabi ? null
-, libcxxrt
-, libunwind
-, enableShared ? !stdenv.hostPlatform.isStatic
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  release_version,
+  monorepoSrc ? null,
+  src ? null,
+  patches ? [ ],
+  runCommand,
+  substitute,
+  cmake,
+  lndir,
+  ninja,
+  python3,
+  fixDarwinDylibNames,
+  version,
+  cxxabi ? null,
+  libcxxrt,
+  libunwind,
+  enableShared ? !stdenv.hostPlatform.isStatic,
 }:
 
 # note: our setup using libcxxabi instead of libcxxrt on FreeBSD diverges from
@@ -37,103 +38,134 @@ let
   # Note: useLLVM is likely false for Darwin but true under pkgsLLVM
   useLLVM = stdenv.hostPlatform.useLLVM or false;
 
-  src' = if monorepoSrc != null then
-    runCommand "${pname}-src-${version}" {} (''
+  src' =
+    if monorepoSrc != null then
+      runCommand "${pname}-src-${version}" { } (
+        ''
           mkdir -p "$out/llvm"
-    '' + (lib.optionalString (lib.versionAtLeast release_version "14") ''
+        ''
+        + (lib.optionalString (lib.versionAtLeast release_version "14") ''
           cp -r ${monorepoSrc}/cmake "$out"
-    '') + ''
+        '')
+        + ''
           cp -r ${monorepoSrc}/libcxx "$out"
           cp -r ${monorepoSrc}/llvm/cmake "$out/llvm"
           cp -r ${monorepoSrc}/llvm/utils "$out/llvm"
-    '' + (lib.optionalString (lib.versionAtLeast release_version "14") ''
+        ''
+        + (lib.optionalString (lib.versionAtLeast release_version "14") ''
           cp -r ${monorepoSrc}/third-party "$out"
-    '') + ''
+        '')
+        + ''
           cp -r ${monorepoSrc}/runtimes "$out"
-    '' + (lib.optionalString (cxxabi == null) ''
+        ''
+        + (lib.optionalString (cxxabi == null) ''
           cp -r ${monorepoSrc}/libcxxabi "$out"
-    '')) else src;
+        '')
+      )
+    else
+      src;
 
-  cxxabiCMakeFlags = lib.optionals (lib.versionAtLeast release_version "18") [
-    "-DLIBCXXABI_USE_LLVM_UNWINDER=OFF"
-  ] ++ lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) (if lib.versionAtLeast release_version "18" then [
+  cxxabiCMakeFlags =
+    lib.optionals (lib.versionAtLeast release_version "18") [ "-DLIBCXXABI_USE_LLVM_UNWINDER=OFF" ]
+    ++ lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) (
+      if lib.versionAtLeast release_version "18" then
+        [
           "-DLIBCXXABI_ADDITIONAL_LIBRARIES=unwind"
           "-DLIBCXXABI_USE_COMPILER_RT=ON"
-  ] else [
+        ]
+      else
+        [
           "-DLIBCXXABI_USE_COMPILER_RT=ON"
           "-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
-  ]) ++ lib.optionals stdenv.hostPlatform.isWasm [
+        ]
+    )
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXXABI_ENABLE_THREADS=OFF"
       "-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
-  ] ++ lib.optionals (!enableShared) [
-    "-DLIBCXXABI_ENABLE_SHARED=OFF"
-  ];
+    ]
+    ++ lib.optionals (!enableShared) [ "-DLIBCXXABI_ENABLE_SHARED=OFF" ];
 
-  cxxCMakeFlags = [
-    "-DLIBCXX_CXX_ABI=${cxxabiName}"
-  ] ++ lib.optionals (cxxabi == null && lib.versionAtLeast release_version "16") [
+  cxxCMakeFlags =
+    [ "-DLIBCXX_CXX_ABI=${cxxabiName}" ]
+    ++ lib.optionals (cxxabi == null && lib.versionAtLeast release_version "16") [
       # Note: llvm < 16 doesn't support this flag (or it's broken); handled in postInstall instead.
       # Include libc++abi symbols within libc++.a for static linking libc++;
       # dynamic linking includes them through libc++.so being a linker script
       # which includes both shared objects.
       "-DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=ON"
-  ] ++ lib.optionals (cxxabi != null) [
-    "-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${lib.getDev cxxabi}/include"
-  ] ++ lib.optionals (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) [
+    ]
+    ++ lib.optionals (cxxabi != null) [ "-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${lib.getDev cxxabi}/include" ]
+    ++ lib.optionals (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) [
       "-DLIBCXX_HAS_MUSL_LIBC=1"
-  ] ++ lib.optionals (lib.versionAtLeast release_version "18" && !useLLVM && stdenv.hostPlatform.libc == "glibc" && !stdenv.hostPlatform.isStatic) [
-    "-DLIBCXX_ADDITIONAL_LIBRARIES=gcc_s"
-  ] ++ lib.optionals useLLVM [
-    "-DLIBCXX_USE_COMPILER_RT=ON"
-  ] ++ lib.optionals (useLLVM && lib.versionAtLeast release_version "16") [
+    ]
+    ++ lib.optionals (
+      lib.versionAtLeast release_version "18"
+      && !useLLVM
+      && stdenv.hostPlatform.libc == "glibc"
+      && !stdenv.hostPlatform.isStatic
+    ) [ "-DLIBCXX_ADDITIONAL_LIBRARIES=gcc_s" ]
+    ++ lib.optionals useLLVM [ "-DLIBCXX_USE_COMPILER_RT=ON" ]
+    ++ lib.optionals (useLLVM && lib.versionAtLeast release_version "16") [
       "-DLIBCXX_ADDITIONAL_LIBRARIES=unwind"
-  ] ++ lib.optionals stdenv.hostPlatform.isWasm [
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
-  ] ++ lib.optionals (!enableShared) [
-    "-DLIBCXX_ENABLE_SHARED=OFF"
-  ];
+    ]
+    ++ lib.optionals (!enableShared) [ "-DLIBCXX_ENABLE_SHARED=OFF" ];
 
-  cmakeFlags = [
-    "-DLLVM_ENABLE_RUNTIMES=${lib.concatStringsSep ";" runtimes}"
-  ] ++ lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) [
+  cmakeFlags =
+    [ "-DLLVM_ENABLE_RUNTIMES=${lib.concatStringsSep ";" runtimes}" ]
+    ++ lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) [
       # libcxxabi's CMake looks as though it treats -nostdlib++ as implying -nostdlib,
       # but that does not appear to be the case for example when building
       # pkgsLLVM.libcxxabi (which uses clangNoCompilerRtWithLibc).
       "-DCMAKE_EXE_LINKER_FLAGS=-nostdlib"
       "-DCMAKE_SHARED_LINKER_FLAGS=-nostdlib"
-  ] ++ lib.optionals stdenv.hostPlatform.isWasm [
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DCMAKE_C_COMPILER_WORKS=ON"
       "-DCMAKE_CXX_COMPILER_WORKS=ON"
       "-DUNIX=ON" # Required otherwise libc++ fails to detect the correct linker
-  ] ++ cxxCMakeFlags
+    ]
+    ++ cxxCMakeFlags
     ++ lib.optionals (cxxabi == null) cxxabiCMakeFlags;
-
 in
 
-stdenv.mkDerivation (rec {
-  inherit pname version cmakeFlags patches;
+stdenv.mkDerivation (
+  rec {
+    inherit
+      pname
+      version
+      cmakeFlags
+      patches
+      ;
 
     src = src';
 
-  outputs = [ "out" "dev" ];
+    outputs = [
+      "out"
+      "dev"
+    ];
 
     preConfigure = lib.optionalString stdenv.hostPlatform.isMusl ''
       patchShebangs utils/cat_files.py
     '';
 
-  nativeBuildInputs = [ cmake ninja python3 ]
-    ++ lib.optional stdenv.isDarwin fixDarwinDylibNames
-    ++ lib.optional (cxxabi != null) lndir;
+    nativeBuildInputs = [
+      cmake
+      ninja
+      python3
+    ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames ++ lib.optional (cxxabi != null) lndir;
 
-  buildInputs = [ cxxabi ]
-    ++ lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) [ libunwind ];
+    buildInputs = [ cxxabi ] ++ lib.optionals (useLLVM && !stdenv.hostPlatform.isWasm) [ libunwind ];
 
     # libc++.so is a linker script which expands to multiple libraries,
     # libc++.so.1 and libc++abi.so or the external cxxabi. ld-wrapper doesn't
     # support linker scripts so the external cxxabi needs to be symlinked in
-  postInstall = lib.optionalString (cxxabi != null) ''
+    postInstall =
+      lib.optionalString (cxxabi != null) ''
         lndir ${lib.getDev cxxabi}/include $dev/include/c++/v1
         lndir ${lib.getLib cxxabi}/lib $out/lib
         libcxxabi=$out/lib/lib${cxxabi.libName}.a
@@ -176,17 +208,30 @@ stdenv.mkDerivation (rec {
       '';
       # "All of the code in libc++ is dual licensed under the MIT license and the
       # UIUC License (a BSD-like license)":
-    license = with lib.licenses; [ mit ncsa ];
+      license = with lib.licenses; [
+        mit
+        ncsa
+      ];
     };
-} // (if (lib.versionOlder release_version "16" || lib.versionAtLeast release_version "17") then {
-  postPatch = (lib.optionalString (lib.versionAtLeast release_version "14" && lib.versionOlder release_version "15") ''
+  }
+  // (
+    if (lib.versionOlder release_version "16" || lib.versionAtLeast release_version "17") then
+      {
+        postPatch =
+          (lib.optionalString
+            (lib.versionAtLeast release_version "14" && lib.versionOlder release_version "15")
+            ''
               # fix CMake error when static and LIBCXXABI_USE_LLVM_UNWINDER=ON. aren't
               # building unwind so don't need to depend on it
               substituteInPlace libcxx/src/CMakeLists.txt \
                 --replace-fail "add_dependencies(cxx_static unwind)" "# add_dependencies(cxx_static unwind)"
-  '') + ''
+            ''
+          )
+          + ''
             cd runtimes
           '';
-} else {
-  sourceRoot = "${src'.name}/runtimes";
-}))
+      }
+    else
+      { sourceRoot = "${src'.name}/runtimes"; }
+  )
+)

pkgs/development/compilers/llvm/common/libunwind/default.nix

@@ -1,22 +1,25 @@
-{ lib
-, stdenv
-, release_version
-, patches ? []
-, src ? null
-, llvm_meta
-, version
-, monorepoSrc ? null
-, runCommand
-, cmake
-, ninja
-, python3
-, libcxx
-, enableShared ? !stdenv.hostPlatform.isStatic
+{
+  lib,
+  stdenv,
+  release_version,
+  patches ? [ ],
+  src ? null,
+  llvm_meta,
+  version,
+  monorepoSrc ? null,
+  runCommand,
+  cmake,
+  ninja,
+  python3,
+  libcxx,
+  enableShared ? !stdenv.hostPlatform.isStatic,
 }:
 let
   pname = "libunwind";
-  src' = if monorepoSrc != null then
-    runCommand "${pname}-src-${version}" {} (''
+  src' =
+    if monorepoSrc != null then
+      runCommand "${pname}-src-${version}" { } (
+        ''
           mkdir -p "$out"
           cp -r ${monorepoSrc}/cmake "$out"
           cp -r ${monorepoSrc}/${pname} "$out"
@@ -25,10 +28,14 @@ let
           cp -r ${monorepoSrc}/libcxx/utils "$out/libcxx"
           mkdir -p "$out/llvm"
           cp -r ${monorepoSrc}/llvm/cmake "$out/llvm"
-    '' + lib.optionalString (lib.versionAtLeast release_version "15") ''
+        ''
+        + lib.optionalString (lib.versionAtLeast release_version "15") ''
           cp -r ${monorepoSrc}/llvm/utils "$out/llvm"
           cp -r ${monorepoSrc}/runtimes "$out"
-    '') else src;
+        ''
+      )
+    else
+      src;
 
   hasPatches = builtins.length patches > 0;
 
@@ -37,12 +44,18 @@ let
     ln -s ${libcxx.src}/llvm .
   '';
 
-  prePatch = lib.optionalString (lib.versionAtLeast release_version "15" && (hasPatches || lib.versionOlder release_version "18")) ''
+  prePatch =
+    lib.optionalString
+      (lib.versionAtLeast release_version "15" && (hasPatches || lib.versionOlder release_version "18"))
+      ''
         cd ../${pname}
         chmod -R u+w .
       '';
 
-  postPatch = lib.optionalString (lib.versionAtLeast release_version "15" && (hasPatches || lib.versionOlder release_version "18")) ''
+  postPatch =
+    lib.optionalString
+      (lib.versionAtLeast release_version "15" && (hasPatches || lib.versionOlder release_version "18"))
+      ''
         cd ../runtimes
       '';
 
@@ -51,23 +64,34 @@ let
     ln -s $out/lib/libunwind.so $out/lib/libunwind_shared.so
   '';
 in
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation (
+  rec {
     inherit pname version patches;
 
     src = src';
 
     sourceRoot =
-    if lib.versionOlder release_version "13" then null
-    else if lib.versionAtLeast release_version "15" then "${src.name}/runtimes"
-    else "${src.name}/${pname}";
+      if lib.versionOlder release_version "13" then
+        null
+      else if lib.versionAtLeast release_version "15" then
+        "${src.name}/runtimes"
+      else
+        "${src.name}/${pname}";
 
-  outputs = [ "out" "dev" ];
-
-  nativeBuildInputs = [ cmake ] ++ lib.optionals (lib.versionAtLeast release_version "15") [
-    ninja python3
+    outputs = [
+      "out"
+      "dev"
     ];
 
-  cmakeFlags = lib.optional (lib.versionAtLeast release_version "15") "-DLLVM_ENABLE_RUNTIMES=libunwind"
+    nativeBuildInputs =
+      [ cmake ]
+      ++ lib.optionals (lib.versionAtLeast release_version "15") [
+        ninja
+        python3
+      ];
+
+    cmakeFlags =
+      lib.optional (lib.versionAtLeast release_version "15") "-DLLVM_ENABLE_RUNTIMES=libunwind"
       ++ lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF";
 
     meta = llvm_meta // {
@@ -81,7 +105,9 @@ stdenv.mkDerivation (rec {
         dependency of other runtimes.
       '';
     };
-} // (if postUnpack != "" then { inherit postUnpack; } else {})
-  // (if (lib.versionAtLeast release_version "15") then { inherit postInstall; } else {})
-  // (if prePatch != "" then { inherit prePatch; } else {})
-  // (if postPatch != "" then { inherit postPatch; } else {}))
+  }
+  // (if postUnpack != "" then { inherit postUnpack; } else { })
+  // (if (lib.versionAtLeast release_version "15") then { inherit postInstall; } else { })
+  // (if prePatch != "" then { inherit prePatch; } else { })
+  // (if postPatch != "" then { inherit postPatch; } else { })
+)

pkgs/development/compilers/llvm/common/lld/default.nix

@@ -1,66 +1,82 @@
-{ lib
-, stdenv
-, llvm_meta
-, release_version
-, patches ? []
-, buildLlvmTools
-, monorepoSrc ? null
-, src ? null
-, libunwind ? null
-, runCommand
-, cmake
-, ninja
-, libxml2
-, libllvm
-, version
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  release_version,
+  patches ? [ ],
+  buildLlvmTools,
+  monorepoSrc ? null,
+  src ? null,
+  libunwind ? null,
+  runCommand,
+  cmake,
+  ninja,
+  libxml2,
+  libllvm,
+  version,
 }:
 let
   pname = "lld";
   src' =
     if monorepoSrc != null then
-      runCommand "lld-src-${version}" {} ''
+      runCommand "lld-src-${version}" { } ''
         mkdir -p "$out"
         cp -r ${monorepoSrc}/cmake "$out"
         cp -r ${monorepoSrc}/${pname} "$out"
         mkdir -p "$out/libunwind"
         cp -r ${monorepoSrc}/libunwind/include "$out/libunwind"
         mkdir -p "$out/llvm"
-      '' else src;
+      ''
+    else
+      src;
 
-  postPatch = lib.optionalString (lib.versions.major release_version == "12") ''
+  postPatch =
+    lib.optionalString (lib.versions.major release_version == "12") ''
       substituteInPlace MachO/CMakeLists.txt --replace \
         '(''${LLVM_MAIN_SRC_DIR}/' '('
       mkdir -p libunwind/include
       tar -xf "${libunwind.src}" --wildcards -C libunwind/include --strip-components=2 "libunwind-*/include/"
-  '' + lib.optionalString (lib.versions.major release_version == "13" && stdenv.isDarwin) ''
+    ''
+    + lib.optionalString (lib.versions.major release_version == "13" && stdenv.isDarwin) ''
       substituteInPlace MachO/CMakeLists.txt --replace \
         '(''${LLVM_MAIN_SRC_DIR}/' '(../'
     '';
 in
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation (
+  rec {
     inherit pname version patches;
 
     src = src';
 
-  sourceRoot =
-    if lib.versionOlder release_version "13" then null
-    else "${src.name}/${pname}";
+    sourceRoot = if lib.versionOlder release_version "13" then null else "${src.name}/${pname}";
 
     nativeBuildInputs = [ cmake ] ++ lib.optional (lib.versionAtLeast release_version "15") ninja;
-  buildInputs = [ libllvm libxml2 ];
+    buildInputs = [
+      libllvm
+      libxml2
+    ];
 
-  cmakeFlags = lib.optionals (lib.versionOlder release_version "14") [
-    "-DLLVM_CONFIG_PATH=${libllvm.dev}/bin/llvm-config${lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) "-native"}"
-  ] ++ lib.optionals (lib.versionAtLeast release_version "15") [
+    cmakeFlags =
+      lib.optionals (lib.versionOlder release_version "14") [
+        "-DLLVM_CONFIG_PATH=${libllvm.dev}/bin/llvm-config${
+          lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) "-native"
+        }"
+      ]
+      ++ lib.optionals (lib.versionAtLeast release_version "15") [
         "-DLLD_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/lld"
-  ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+      ]
+      ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
         "-DLLVM_TABLEGEN_EXE=${buildLlvmTools.llvm}/bin/llvm-tblgen"
       ];
 
     # Musl's default stack size is too small for lld to be able to link Firefox.
     LDFLAGS = lib.optionalString stdenv.hostPlatform.isMusl "-Wl,-z,stack-size=2097152";
 
-  outputs = [ "out" "lib" "dev" ];
+    outputs = [
+      "out"
+      "lib"
+      "dev"
+    ];
 
     meta = llvm_meta // {
       homepage = "https://lld.llvm.org/";
@@ -74,4 +90,11 @@ stdenv.mkDerivation (rec {
         of several different linkers.
       '';
     };
-} // (if (postPatch == "" && lib.versions.major release_version != "13") then {} else { inherit postPatch; }))
+  }
+  // (
+    if (postPatch == "" && lib.versions.major release_version != "13") then
+      { }
+    else
+      { inherit postPatch; }
+  )
+)

pkgs/development/compilers/llvm/common/lldb-plugins/llef.nix

@@ -1,8 +1,9 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, makeWrapper
-, lldb
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  makeWrapper,
+  lldb,
 }:
 
 stdenv.mkDerivation {

pkgs/development/compilers/llvm/common/lldb.nix

@@ -1,30 +1,31 @@
-{ lib
-, stdenv
-, llvm_meta
-, release_version
-, cmake
-, zlib
-, ncurses
-, swig3
-, swig4
-, which
-, libedit
-, libxml2
-, libllvm
-, libclang
-, python3
-, version
-, darwin
-, lit
-, makeWrapper
-, lua5_3
-, ninja
-, runCommand
-, src ? null
-, monorepoSrc ? null
-, patches ? [ ]
-, enableManpages ? false
-, ...
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  release_version,
+  cmake,
+  zlib,
+  ncurses,
+  swig3,
+  swig4,
+  which,
+  libedit,
+  libxml2,
+  libllvm,
+  libclang,
+  python3,
+  version,
+  darwin,
+  lit,
+  makeWrapper,
+  lua5_3,
+  ninja,
+  runCommand,
+  src ? null,
+  monorepoSrc ? null,
+  patches ? [ ],
+  enableManpages ? false,
+  ...
 }:
 
 let
@@ -34,7 +35,9 @@ let
         mkdir -p "$out"
         cp -r ${monorepoSrc}/cmake "$out"
         cp -r ${monorepoSrc}/lldb "$out"
-      '' else src;
+      ''
+    else
+      src;
   vscodeExt = {
     name = if lib.versionAtLeast release_version "18" then "lldb-dap" else "lldb-vscode";
     version = if lib.versionAtLeast release_version "18" then "0.2.0" else "0.1.0";
@@ -42,7 +45,8 @@ let
   swig = if lib.versionAtLeast release_version "18" then swig4 else swig3;
 in
 
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation (
+  rec {
     passthru.monorepoSrc = monorepoSrc;
     pname = "lldb";
     inherit version;
@@ -50,11 +54,16 @@ stdenv.mkDerivation (rec {
     src = src';
     inherit patches;
 
-  outputs = [ "out" "lib" "dev" ];
+    outputs = [
+      "out"
+      "lib"
+      "dev"
+    ];
 
     sourceRoot = lib.optional (lib.versionAtLeast release_version "13") "${src.name}/${pname}";
 
-  nativeBuildInputs = [
+    nativeBuildInputs =
+      [
         cmake
         python3
         which
@@ -62,28 +71,31 @@ stdenv.mkDerivation (rec {
         lit
         makeWrapper
         lua5_3
-  ] ++ lib.optionals enableManpages [
-    python3.pkgs.sphinx
-  ] ++ lib.optionals (lib.versionOlder release_version "18" && enableManpages) [
+      ]
+      ++ lib.optionals enableManpages [ python3.pkgs.sphinx ]
+      ++ lib.optionals (lib.versionOlder release_version "18" && enableManpages) [
         python3.pkgs.recommonmark
-  ] ++ lib.optionals (lib.versionAtLeast release_version "18" && enableManpages) [
+      ]
+      ++ lib.optionals (lib.versionAtLeast release_version "18" && enableManpages) [
         python3.pkgs.myst-parser
-  ] ++ lib.optionals (lib.versionAtLeast release_version "14") [
-    ninja
-  ];
+      ]
+      ++ lib.optionals (lib.versionAtLeast release_version "14") [ ninja ];
 
-  buildInputs = [
+    buildInputs =
+      [
         ncurses
         zlib
         libedit
         libxml2
         libllvm
-  ] ++ lib.optionals (lib.versionAtLeast release_version "16") [
+      ]
+      ++ lib.optionals (lib.versionAtLeast release_version "16") [
         # Starting with LLVM 16, the resource dir patch is no longer enough to get
         # libclang into the rpath of the lldb executables. By putting it into
         # buildInputs cc-wrapper will set up rpath correctly for us.
         (lib.getLib libclang)
-  ] ++ lib.optionals stdenv.isDarwin [
+      ]
+      ++ lib.optionals stdenv.isDarwin [
         darwin.libobjc
         darwin.apple_sdk.libs.xpc
         darwin.apple_sdk.frameworks.Foundation
@@ -98,7 +110,8 @@ stdenv.mkDerivation (rec {
       #
       # See here for context:
       # https://github.com/NixOS/nixpkgs/pull/194634#issuecomment-1272129132
-  ++ lib.optional
+      ++
+        lib.optional
           (
             stdenv.targetPlatform.isDarwin
             && !stdenv.targetPlatform.isAarch64
@@ -114,29 +127,36 @@ stdenv.mkDerivation (rec {
 
     hardeningDisable = [ "format" ];
 
-  cmakeFlags = [
+    cmakeFlags =
+      [
         "-DLLDB_INCLUDE_TESTS=${if doCheck then "YES" else "NO"}"
         "-DLLVM_ENABLE_RTTI=OFF"
         "-DClang_DIR=${lib.getDev libclang}/lib/cmake"
         "-DLLVM_EXTERNAL_LIT=${lit}/bin/lit"
-  ] ++ lib.optionals stdenv.isDarwin [
-    "-DLLDB_USE_SYSTEM_DEBUGSERVER=ON"
-  ] ++ lib.optionals (!stdenv.isDarwin) [
+      ]
+      ++ lib.optionals stdenv.isDarwin [ "-DLLDB_USE_SYSTEM_DEBUGSERVER=ON" ]
+      ++ lib.optionals (!stdenv.isDarwin) [
         "-DLLDB_CODESIGN_IDENTITY=" # codesigning makes nondeterministic
-  ] ++ lib.optionals (lib.versionAtLeast release_version "17") [
+      ]
+      ++ lib.optionals (lib.versionAtLeast release_version "17") [
         "-DCLANG_RESOURCE_DIR=../../../../${libclang.lib}"
-  ] ++ lib.optionals enableManpages ([
+      ]
+      ++ lib.optionals enableManpages (
+        [
           "-DLLVM_ENABLE_SPHINX=ON"
           "-DSPHINX_OUTPUT_MAN=ON"
           "-DSPHINX_OUTPUT_HTML=OFF"
-  ] ++ lib.optionals (lib.versionAtLeast release_version "15") [
+        ]
+        ++ lib.optionals (lib.versionAtLeast release_version "15") [
           # docs reference `automodapi` but it's not added to the extensions list when
           # only building the manpages:
           # https://github.com/llvm/llvm-project/blob/af6ec9200b09039573d85e349496c4f5b17c3d7f/lldb/docs/conf.py#L54
           #
           # so, we just ignore the resulting errors
           "-DSPHINX_WARNINGS_AS_ERRORS=OFF"
-  ]) ++ lib.optionals doCheck [
+        ]
+      )
+      ++ lib.optionals doCheck [
         "-DLLDB_TEST_C_COMPILER=${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc"
         "-DLLDB_TEST_CXX_COMPILER=${stdenv.cc}/bin/${stdenv.cc.targetPrefix}c++"
       ];
@@ -145,7 +165,8 @@ stdenv.mkDerivation (rec {
     doInstallCheck = lib.versionOlder release_version "15";
 
     # TODO: cleanup with mass-rebuild
-  installCheckPhase = ''
+    installCheckPhase =
+      ''
         if [ ! -e $lib/${python3.sitePackages}/lldb/_lldb*.so ] ; then
             echo "ERROR: python files not installed where expected!";
             return 1;
@@ -165,7 +186,9 @@ stdenv.mkDerivation (rec {
       # vscode:
       install -D ../tools/${vscodeExt.name}/package.json $out/share/vscode/extensions/llvm-org.${vscodeExt.name}-${vscodeExt.version}/package.json
       mkdir -p $out/share/vscode/extensions/llvm-org.${vscodeExt.name}-${vscodeExt.version}/bin
-    ln -s $out/bin/*${if lib.versionAtLeast release_version "18" then vscodeExt.name else "-vscode"} $out/share/vscode/extensions/llvm-org.${vscodeExt.name}-${vscodeExt.version}/bin
+      ln -s $out/bin/*${
+        if lib.versionAtLeast release_version "18" then vscodeExt.name else "-vscode"
+      } $out/share/vscode/extensions/llvm-org.${vscodeExt.name}-${vscodeExt.version}/bin
     '';
 
     passthru.vscodeExtName = vscodeExt.name;
@@ -187,14 +210,14 @@ stdenv.mkDerivation (rec {
         || (((lib.versions.major release_version) == "13") && stdenv.isDarwin);
       mainProgram = "lldb";
     };
-} // lib.optionalAttrs enableManpages {
+  }
+  // lib.optionalAttrs enableManpages {
     pname = "lldb-manpages";
 
     buildPhase = lib.optionalString (lib.versionOlder release_version "15") ''
       make ${if (lib.versionOlder release_version "12") then "docs-man" else "docs-lldb-man"}
     '';
 
-
     ninjaFlags = lib.optionals (lib.versionAtLeast release_version "15") [ "docs-lldb-man" ];
 
     propagatedBuildInputs = [ ];
@@ -215,4 +238,5 @@ stdenv.mkDerivation (rec {
     meta = llvm_meta // {
       description = "man pages for LLDB ${version}";
     };
-})
+  }
+)

pkgs/development/compilers/llvm/common/llvm/default.nix

@@ -1,53 +1,59 @@
-{ lib
-, stdenv
-, llvm_meta
-, pkgsBuildBuild
-, pollyPatches ? []
-, patches ? []
-, polly_src ? null
-, src ? null
-, monorepoSrc ? null
-, runCommand
-, cmake
-, darwin
-, ninja
-, python3
-, python3Packages
-, libffi
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  pkgsBuildBuild,
+  pollyPatches ? [ ],
+  patches ? [ ],
+  polly_src ? null,
+  src ? null,
+  monorepoSrc ? null,
+  runCommand,
+  cmake,
+  darwin,
+  ninja,
+  python3,
+  python3Packages,
+  libffi,
   # TODO: Can this memory corruption bug still occur?
   # <https://github.com/llvm/llvm-project/issues/61350>
-, enableGoldPlugin ? libbfd.hasPluginAPI
-, libbfd
-, libpfm
-, libxml2
-, ncurses
-, version
-, release_version
-, zlib
-, which
-, sysctl
-, buildLlvmTools
-, debugVersion ? false
-, doCheck ? !stdenv.isAarch32 && (if lib.versionOlder release_version "15" then stdenv.isLinux else true)
-  && (!stdenv.isx86_32 /* TODO: why */) && (!stdenv.hostPlatform.isMusl)
+  enableGoldPlugin ? libbfd.hasPluginAPI,
+  libbfd,
+  libpfm,
+  libxml2,
+  ncurses,
+  version,
+  release_version,
+  zlib,
+  which,
+  sysctl,
+  buildLlvmTools,
+  debugVersion ? false,
+  doCheck ?
+    !stdenv.isAarch32
+    && (if lib.versionOlder release_version "15" then stdenv.isLinux else true)
+    && (
+      !stdenv.isx86_32 # TODO: why
+    )
+    && (!stdenv.hostPlatform.isMusl)
     && !(stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isBigEndian)
-  && (stdenv.hostPlatform == stdenv.buildPlatform)
-, enableManpages ? false
-, enableSharedLibraries ? !stdenv.hostPlatform.isStatic
-, enablePFM ? stdenv.isLinux /* PFM only supports Linux */
+    && (stdenv.hostPlatform == stdenv.buildPlatform),
+  enableManpages ? false,
+  enableSharedLibraries ? !stdenv.hostPlatform.isStatic,
+  enablePFM ?
+    stdenv.isLinux # PFM only supports Linux
     # broken for Ampere eMAG 8180 (c2.large.arm on Packet) #56245
     # broken for the armv7l builder
-  && !stdenv.hostPlatform.isAarch
-, enablePolly ? lib.versionAtLeast release_version "14"
-, enableTerminfo ? true
+    && !stdenv.hostPlatform.isAarch,
+  enablePolly ? lib.versionAtLeast release_version "14",
+  enableTerminfo ? true,
 }:
 
 let
   inherit (lib) optional optionals optionalString;
 
   # Used when creating a version-suffixed symlink of libLLVM.dylib
-  shortVersion = with lib;
-    concatStringsSep "." (take 1 (splitString "." release_version));
+  shortVersion = with lib; concatStringsSep "." (take 1 (splitString "." release_version));
 
   # Ordinarily we would just the `doCheck` and `checkDeps` functionality
   # `mkDerivation` gives us to manage our test dependencies (instead of breaking
@@ -66,113 +72,147 @@ let
   #
   # So, we "manually" assemble one python derivation for the package to depend
   # on, taking into account whether checks are enabled or not:
-  python = if doCheck then
+  python =
+    if doCheck then
       # Note that we _explicitly_ ask for a python interpreter for our host
       # platform here; the splicing that would ordinarily take care of this for
       # us does not seem to work once we use `withPackages`.
       let
         checkDeps = ps: with ps; [ psutil ];
-    in pkgsBuildBuild.targetPackages.python3.withPackages checkDeps
-  else python3;
+      in
+      pkgsBuildBuild.targetPackages.python3.withPackages checkDeps
+    else
+      python3;
 
   pname = "llvm";
 
-  src' = if monorepoSrc != null then
-    runCommand "${pname}-src-${version}" {} (''
+  src' =
+    if monorepoSrc != null then
+      runCommand "${pname}-src-${version}" { } (
+        ''
           mkdir -p "$out"
           cp -r ${monorepoSrc}/cmake "$out"
           cp -r ${monorepoSrc}/${pname} "$out"
           cp -r ${monorepoSrc}/third-party "$out"
-    '' + lib.optionalString enablePolly ''
+        ''
+        + lib.optionalString enablePolly ''
           chmod u+w "$out/${pname}/tools"
           cp -r ${monorepoSrc}/polly "$out/${pname}/tools"
-    '') else src;
+        ''
+      )
+    else
+      src;
 
   patches' = patches ++ lib.optionals enablePolly pollyPatches;
 in
 
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation (
+  finalAttrs:
+  {
     inherit pname version;
 
     src = src';
     patches = patches';
 
-  sourceRoot = if lib.versionOlder release_version "13" then null
-    else "${src.name}/${pname}";
+    sourceRoot = if lib.versionOlder release_version "13" then null else "${src.name}/${pname}";
 
-  outputs = [ "out" "lib" "dev" "python" ];
+    outputs = [
+      "out"
+      "lib"
+      "dev"
+      "python"
+    ];
 
-  nativeBuildInputs = [ cmake ]
+    nativeBuildInputs =
+      [ cmake ]
       ++ (lib.optional (lib.versionAtLeast release_version "15") ninja)
       ++ [ python ]
       ++ optionals enableManpages [
         # Note: we intentionally use `python3Packages` instead of `python3.pkgs`;
         # splicing does *not* work with the latter. (TODO: fix)
         python3Packages.sphinx
-  ] ++ optionals (lib.versionOlder version "18" && enableManpages) [
-    python3Packages.recommonmark
-  ] ++ optionals (lib.versionAtLeast version "18" && enableManpages) [
-    python3Packages.myst-parser
-  ];
+      ]
+      ++ optionals (lib.versionOlder version "18" && enableManpages) [ python3Packages.recommonmark ]
+      ++ optionals (lib.versionAtLeast version "18" && enableManpages) [ python3Packages.myst-parser ];
 
-  buildInputs = [ libxml2 libffi ]
-    ++ optional enablePFM libpfm; # exegesis
+    buildInputs = [
+      libxml2
+      libffi
+    ] ++ optional enablePFM libpfm; # exegesis
 
-  propagatedBuildInputs = (lib.optional (lib.versionAtLeast release_version "14" || stdenv.buildPlatform == stdenv.hostPlatform) ncurses)
+    propagatedBuildInputs =
+      (lib.optional (
+        lib.versionAtLeast release_version "14" || stdenv.buildPlatform == stdenv.hostPlatform
+      ) ncurses)
       ++ [ zlib ];
 
-  postPatch = optionalString stdenv.isDarwin (''
+    nativeCheckInputs =
+      lib.optional (lib.versionAtLeast release_version "13") which
+      ++ lib.optional (stdenv.isDarwin && lib.versionAtLeast release_version "15") sysctl;
+
+    postPatch =
+      ''
+        patchShebangs test/BugPoint/compile-custom.ll.py
+      ''
+      +
+        # FileSystem permissions tests fail with various special bits
+        ''
+          substituteInPlace unittests/Support/CMakeLists.txt \
+            --replace "Path.cpp" ""
+          rm unittests/Support/Path.cpp
+          substituteInPlace unittests/IR/CMakeLists.txt \
+            --replace "PassBuilderCallbacksTest.cpp" ""
+          rm unittests/IR/PassBuilderCallbacksTest.cpp
+        ''
+      +
+        # timing-based tests are trouble
+        ''
+          rm utils/lit/tests/googletest-timeout.py
+        ''
+      +
+        # FileSystem permissions tests fail with various special bits
+        ''
+          substituteInPlace unittests/Support/CMakeLists.txt \
+            --replace "Path.cpp" ""
+          rm unittests/Support/Path.cpp
+          substituteInPlace unittests/IR/CMakeLists.txt \
+            --replace "PassBuilderCallbacksTest.cpp" ""
+          rm unittests/IR/PassBuilderCallbacksTest.cpp
+        ''
+      + optionalString stdenv.isDarwin (
+        ''
           substituteInPlace cmake/modules/AddLLVM.cmake \
             --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
             --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
-  '' +
+        ''
+        +
           # As of LLVM 15, marked as XFAIL on arm64 macOS but lit doesn't seem to pick
           # this up: https://github.com/llvm/llvm-project/blob/c344d97a125b18f8fed0a64aace73c49a870e079/llvm/test/MC/ELF/cfi-version.ll#L7
-    (optionalString (lib.versionAtLeast release_version "15") (''
+          optionalString (lib.versionAtLeast release_version "15") (
+            ''
               rm test/MC/ELF/cfi-version.ll
 
-  '' +
+            ''
+            +
               # This test tries to call `sw_vers` by absolute path (`/usr/bin/sw_vers`)
               # and thus fails under the sandbox:
-    (if lib.versionAtLeast release_version "16" then ''
-    substituteInPlace unittests/TargetParser/Host.cpp \
-      --replace '/usr/bin/sw_vers' "${(builtins.toString darwin.DarwinTools) + "/bin/sw_vers" }"
-  '' else ''
-    substituteInPlace unittests/Support/Host.cpp \
-      --replace '/usr/bin/sw_vers' "${(builtins.toString darwin.DarwinTools) + "/bin/sw_vers" }"
-  '') +
-    # This test tries to call the intrinsics `@llvm.roundeven.f32` and
-    # `@llvm.roundeven.f64` which seem to (incorrectly?) lower to `roundevenf`
-    # and `roundeven` on macOS and FreeBSD.
-    #
-    # However these functions are glibc specific so the test fails:
-    #   - https://www.gnu.org/software/gnulib/manual/html_node/roundevenf.html
-    #   - https://www.gnu.org/software/gnulib/manual/html_node/roundeven.html
-    #
-    # TODO(@rrbutani): this seems to run fine on `aarch64-darwin`, why does it
-    # pass there?
-    optionalString (lib.versionAtLeast release_version "16") ''
-    substituteInPlace test/ExecutionEngine/Interpreter/intrinsics.ll \
-      --replace "%roundeven32 = call float @llvm.roundeven.f32(float 0.000000e+00)" "" \
-      --replace "%roundeven64 = call double @llvm.roundeven.f64(double 0.000000e+00)" ""
-  '' +
-    # fails when run in sandbox
-    optionalString (!stdenv.hostPlatform.isx86 && lib.versionAtLeast release_version "18") ''
-    substituteInPlace unittests/Support/VirtualFileSystemTest.cpp \
-      --replace "PhysicalFileSystemWorkingDirFailure" "DISABLED_PhysicalFileSystemWorkingDirFailure"
-  ''))) +
-    # dup of above patch with different conditions
-    optionalString (stdenv.isDarwin && stdenv.hostPlatform.isx86 && lib.versionAtLeast release_version "15") (optionalString (lib.versionOlder release_version "16") ''
-    substituteInPlace test/ExecutionEngine/Interpreter/intrinsics.ll \
-      --replace "%roundeven32 = call float @llvm.roundeven.f32(float 0.000000e+00)" "" \
-      --replace "%roundeven64 = call double @llvm.roundeven.f64(double 0.000000e+00)" ""
+              (
+                let
+                  file =
+                    if lib.versionAtLeast release_version "16" then
+                      "unittests/TargetParser/Host.cpp"
+                    else
+                      "unittests/Support/Host.cpp";
+                in
+                ''
+                  substituteInPlace ${file} \
+                    --replace \
+                    '/usr/bin/sw_vers' \
+                    "${builtins.toString darwin.DarwinTools + "/bin/sw_vers"}"
+                ''
+              )
 
-  '' +
-    # fails when run in sandbox
-    ((optionalString (lib.versionAtLeast release_version "18") ''
-    substituteInPlace unittests/Support/VirtualFileSystemTest.cpp \
-      --replace "PhysicalFileSystemWorkingDirFailure" "DISABLED_PhysicalFileSystemWorkingDirFailure"
-  '') +
+            + optionalString stdenv.hostPlatform.isAarch64 (
               # This test fails on darwin x86_64 because `sw_vers` reports a different
               # macOS version than what LLVM finds by reading
               # `/System/Library/CoreServices/SystemVersion.plist` (which is passed into
@@ -201,43 +241,65 @@ stdenv.mkDerivation (rec {
               # not clear to me when/where/for what this even gets used in LLVM.
               #
               # TODO(@rrbutani): fix/follow-up
-    (if lib.versionAtLeast release_version "16" then ''
-    substituteInPlace unittests/TargetParser/Host.cpp \
+              (
+                let
+                  file =
+                    if lib.versionAtLeast release_version "16" then
+                      "unittests/TargetParser/Host.cpp"
+                    else
+                      "unittests/Support/Host.cpp";
+                in
+                ''
+                  substituteInPlace ${file} \
                     --replace "getMacOSHostVersion" "DISABLED_getMacOSHostVersion"
-  '' else ''
-    substituteInPlace unittests/Support/Host.cpp \
-      --replace "getMacOSHostVersion" "DISABLED_getMacOSHostVersion"
-  '') +
+                ''
+              )
+              +
                 # This test fails with a `dysmutil` crash; have not yet dug into what's
                 # going on here (TODO(@rrbutani)).
                 ''
                   rm test/tools/dsymutil/ARM/obfuscated.test
-  '')) +
-    # FileSystem permissions tests fail with various special bits
                 ''
-    substituteInPlace unittests/Support/CMakeLists.txt \
-      --replace "Path.cpp" ""
-    rm unittests/Support/Path.cpp
-    substituteInPlace unittests/IR/CMakeLists.txt \
-      --replace "PassBuilderCallbacksTest.cpp" ""
-    rm unittests/IR/PassBuilderCallbacksTest.cpp
-  '' + lib.optionalString (lib.versionAtLeast release_version "13") ''
+            )
+          )
+        +
+          # This test tries to call the intrinsics `@llvm.roundeven.f32` and
+          # `@llvm.roundeven.f64` which seem to (incorrectly?) lower to `roundevenf`
+          # and `roundeven` on macOS and FreeBSD.
+          #
+          # However these functions are glibc specific so the test fails:
+          #   - https://www.gnu.org/software/gnulib/manual/html_node/roundevenf.html
+          #   - https://www.gnu.org/software/gnulib/manual/html_node/roundeven.html
+          #
+          # TODO(@rrbutani): this seems to run fine on `aarch64-darwin`, why does it
+          # pass there?
+          optionalString (lib.versionAtLeast release_version "16") ''
+            substituteInPlace test/ExecutionEngine/Interpreter/intrinsics.ll \
+              --replace "%roundeven32 = call float @llvm.roundeven.f32(float 0.000000e+00)" "" \
+              --replace "%roundeven64 = call double @llvm.roundeven.f64(double 0.000000e+00)" ""
+          ''
+        +
+          # fails when run in sandbox
+          optionalString (!stdenv.hostPlatform.isx86 && lib.versionAtLeast release_version "18") ''
+            substituteInPlace unittests/Support/VirtualFileSystemTest.cpp \
+              --replace "PhysicalFileSystemWorkingDirFailure" "DISABLED_PhysicalFileSystemWorkingDirFailure"
+          ''
+      )
+      + lib.optionalString (lib.versionAtLeast release_version "13") ''
         rm test/tools/llvm-objcopy/ELF/mirror-permissions-unix.test
-  '' + lib.optionalString (lib.versionOlder release_version "13") ''
+      ''
+      + lib.optionalString (lib.versionOlder release_version "13") ''
         # TODO: Fix failing tests:
         rm test/DebugInfo/X86/vla-multi.ll
-  '' +
+      ''
+      +
         # Fails in the presence of anti-virus software or other intrusion-detection software that
         # modifies the atime when run. See #284056.
-    lib.optionalString (lib.versionAtLeast release_version "16") (''
+        lib.optionalString (lib.versionAtLeast release_version "16") (
+          ''
             rm test/tools/llvm-objcopy/ELF/strip-preserve-atime.test
-  '' + lib.optionalString (lib.versionOlder release_version "17") ''
-
-  '') +
-    # timing-based tests are trouble
-    lib.optionalString (lib.versionAtLeast release_version "15" && lib.versionOlder release_version "17") ''
-    rm utils/lit/tests/googletest-timeout.py
-  '' +
+          ''
+          +
             # valgrind unhappy with musl or glibc, but fails w/musl only
             optionalString stdenv.hostPlatform.isMusl ''
               patch -p1 -i ${./TLI-musl.patch}
@@ -245,7 +307,9 @@ stdenv.mkDerivation (rec {
                 --replace "add_subdirectory(DynamicLibrary)" ""
               rm unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp
               rm test/CodeGen/AArch64/wineh4.mir
-  '' + optionalString stdenv.hostPlatform.isAarch32 ''
+            ''
+        )
+      + optionalString stdenv.hostPlatform.isAarch32 ''
         # skip failing X86 test cases on 32-bit ARM
         rm test/DebugInfo/X86/convert-debugloc.ll
         rm test/DebugInfo/X86/convert-inlined.ll
@@ -253,11 +317,13 @@ stdenv.mkDerivation (rec {
         rm test/tools/dsymutil/X86/op-convert.test
         rm test/tools/gold/X86/split-dwarf.ll
         rm test/tools/llvm-objcopy/MachO/universal-object.test
-  '' +
+      ''
+      +
         # Seems to require certain floating point hardware (NEON?)
         optionalString (stdenv.hostPlatform.system == "armv6l-linux") ''
           rm test/ExecutionEngine/frem.ll
-  '' +
+        ''
+      +
         # 1. TODO: Why does this test fail on FreeBSD?
         # It seems to reference /usr/local/lib/libfile.a, which is clearly a problem.
         # 2. This test fails for the same reason it fails on MacOS, but the fix is
@@ -265,16 +331,16 @@ stdenv.mkDerivation (rec {
         optionalString stdenv.isFreeBSD ''
           rm test/tools/llvm-libtool-darwin/L-and-l.test
           rm test/ExecutionEngine/Interpreter/intrinsics.ll
-  '' + ''
-    patchShebangs test/BugPoint/compile-custom.ll.py
-  '' +
+        ''
+      +
         # Tweak tests to ignore namespace part of type to support
         # gcc-12: https://gcc.gnu.org/PR103598.
         # The change below mangles strings like:
         #    CHECK-NEXT: Starting llvm::Function pass manager run.
         # to:
         #    CHECK-NEXT: Starting {{.*}}Function pass manager run.
-    (lib.optionalString (lib.versionOlder release_version "13") (''
+        lib.optionalString (lib.versionOlder release_version "13") (
+          ''
             for f in \
               test/Other/new-pass-manager.ll \
               test/Other/new-pm-O0-defaults.ll \
@@ -295,19 +361,17 @@ stdenv.mkDerivation (rec {
                 --replace 'Starting llvm::' 'Starting {{.*}}' \
                 --replace 'Finished llvm::' 'Finished {{.*}}'
             done
-  '' +
+          ''
+          +
             # gcc-13 fix
             ''
               sed -i '/#include <string>/i#include <cstdint>' \
                 include/llvm/DebugInfo/Symbolize/DIPrinter.h
-  ''));
+            ''
+        );
 
     # Workaround for configure flags that need to have spaces
-  preConfigure = if lib.versionAtLeast release_version "15" then ''
-    cmakeFlagsArray+=(
-      -DLLVM_LIT_ARGS="-svj''${NIX_BUILD_CORES} --no-progress-bar"
-    )
-  '' else ''
+    preConfigure = ''
       cmakeFlagsArray+=(
         -DLLVM_LIT_ARGS='-svj''${NIX_BUILD_CORES} --no-progress-bar'
       )
@@ -318,7 +382,9 @@ stdenv.mkDerivation (rec {
 
     cmakeBuildType = if debugVersion then "Debug" else "Release";
 
-  cmakeFlags = with stdenv; let
+    cmakeFlags =
+      with stdenv;
+      let
         # These flags influence llvm-config's BuildVariables.inc in addition to the
         # general build. We need to make sure these are also passed via
         # CROSS_TOOLCHAIN_FLAGS_NATIVE when cross-compiling or llvm-config-native
@@ -326,26 +392,25 @@ stdenv.mkDerivation (rec {
         #
         # Some flags don't need to be repassed because LLVM already does so (like
         # CMAKE_BUILD_TYPE), others are irrelevant to the result.
-    flagsForLlvmConfig = (if lib.versionOlder release_version "15" then [
-      "-DLLVM_INSTALL_CMAKE_DIR=${placeholder "dev"}/lib/cmake/llvm/"
-    ] else [
-      "-DLLVM_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/llvm"
-    ]) ++ [
+        flagsForLlvmConfig = [
           "-DLLVM_ENABLE_RTTI=ON"
-    ] ++ optionals enableSharedLibraries [
-      "-DLLVM_LINK_LLVM_DYLIB=ON"
+          (lib.cmakeBool "LLVM_LINK_LLVM_DYLIB" enableSharedLibraries)
+          (lib.optional (lib.versionOlder release_version "15") "-DLLVM_INSTALL_CMAKE_DIR=${placeholder "dev"}/lib/cmake/llvm/")
         ];
-  in flagsForLlvmConfig ++ [
+      in
+      flagsForLlvmConfig
+      ++ [
+        "-DCMAKE_INSTALL_PACKAGEDIR=${placeholder "dev"}/lib/"
         "-DLLVM_INSTALL_UTILS=ON" # Needed by rustc
-    "-DLLVM_BUILD_TESTS=${if doCheck then "ON" else "OFF"}"
+        (lib.cmakeBool "LLVM_INCLUDE_TESTS" finalAttrs.doCheck)
+        (lib.cmakeBool "LLVM_BUILD_TESTS" finalAttrs.doCheck)
         "-DLLVM_ENABLE_FFI=ON"
         "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
         "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
         "-DLLVM_ENABLE_DUMP=ON"
         (lib.cmakeBool "LLVM_ENABLE_TERMINFO" enableTerminfo)
-  ] ++ optionals (!doCheck) [
-    "-DLLVM_INCLUDE_TESTS=OFF"
-  ] ++ optionals stdenv.hostPlatform.isStatic [
+      ]
+      ++ optionals stdenv.hostPlatform.isStatic [
         # Disables building of shared libs, -fPIC is still injected by cc-wrapper
         "-DLLVM_ENABLE_PIC=OFF"
         "-DCMAKE_SKIP_INSTALL_RPATH=ON"
@@ -354,18 +419,26 @@ stdenv.mkDerivation (rec {
         # file and doesn't link zlib as well.
         # https://github.com/ClangBuiltLinux/tc-build/issues/150#issuecomment-845418812
         "-DLLVM_ENABLE_LIBXML2=OFF"
-  ] ++ optionals enableManpages [
+      ]
+      ++ optionals enableManpages [
         "-DLLVM_BUILD_DOCS=ON"
         "-DLLVM_ENABLE_SPHINX=ON"
         "-DSPHINX_OUTPUT_MAN=ON"
         "-DSPHINX_OUTPUT_HTML=OFF"
         "-DSPHINX_WARNINGS_AS_ERRORS=OFF"
-  ] ++ optionals (enableGoldPlugin) [
-    "-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include"
-  ] ++ optionals isDarwin [
+      ]
+      ++ optionals (enableGoldPlugin) [ "-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include" ]
+      ++ optionals isDarwin [
         "-DLLVM_ENABLE_LIBCXX=ON"
         "-DCAN_TARGET_i386=false"
-  ] ++ optionals ((stdenv.hostPlatform != stdenv.buildPlatform) && !(stdenv.buildPlatform.canExecute stdenv.hostPlatform)) [
+      ]
+      ++
+        optionals
+          (
+            stdenv.hostPlatform != stdenv.buildPlatform
+            && !(stdenv.buildPlatform.canExecute stdenv.hostPlatform)
+          )
+          [
             "-DCMAKE_CROSSCOMPILING=True"
             "-DLLVM_TABLEGEN=${buildLlvmTools.llvm}/bin/llvm-tblgen"
             (
@@ -388,30 +461,44 @@ stdenv.mkDerivation (rec {
                   "-DCMAKE_INSTALL_LIBDIR=${placeholder "lib"}/lib"
                   "-DCMAKE_INSTALL_LIBEXECDIR=${placeholder "lib"}/libexec"
                 ];
-      in "-DCROSS_TOOLCHAIN_FLAGS_NATIVE:list="
-      + lib.concatStringsSep ";" (lib.concatLists [
+              in
+              "-DCROSS_TOOLCHAIN_FLAGS_NATIVE:list="
+              + lib.concatStringsSep ";" (
+                lib.concatLists [
                   flagsForLlvmConfig
                   nativeToolchainFlags
                   nativeInstallFlags
-      ])
+                ]
+              )
             )
           ];
 
-  postInstall = ''
+    postInstall =
+      ''
         mkdir -p $python/share
         mv $out/share/opt-viewer $python/share/opt-viewer
         moveToOutput "bin/llvm-config*" "$dev"
-    substituteInPlace "$dev/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
+        substituteInPlace "$dev/lib/cmake/llvm/LLVMExports-${
+          if debugVersion then "debug" else "release"
+        }.cmake" \
           --replace "\''${_IMPORT_PREFIX}/lib/lib" "$lib/lib/lib" \
           --replace "$out/bin/llvm-config" "$dev/bin/llvm-config"
-  '' + (if lib.versionOlder release_version "15" then ''
+      ''
+      + (
+        if lib.versionOlder release_version "15" then
+          ''
             substituteInPlace "$dev/lib/cmake/llvm/LLVMConfig.cmake" \
               --replace 'set(LLVM_BINARY_DIR "''${LLVM_INSTALL_PREFIX}")' 'set(LLVM_BINARY_DIR "''${LLVM_INSTALL_PREFIX}'"$lib"'")'
-  '' else ''
+          ''
+        else
+          ''
             substituteInPlace "$dev/lib/cmake/llvm/LLVMConfig.cmake" \
               --replace 'set(LLVM_BINARY_DIR "''${LLVM_INSTALL_PREFIX}")' 'set(LLVM_BINARY_DIR "'"$lib"'")'
-  '')
-  + optionalString (stdenv.isDarwin && enableSharedLibraries && lib.versionOlder release_version "18") ''
+          ''
+      )
+      +
+        optionalString (stdenv.isDarwin && enableSharedLibraries && lib.versionOlder release_version "18")
+          ''
             ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib
           ''
       + optionalString (stdenv.isDarwin && enableSharedLibraries) ''
@@ -425,6 +512,8 @@ stdenv.mkDerivation (rec {
 
     checkTarget = "check-all";
 
+    hardeningDisable = [ "trivialautovarinit" ];
+
     # For the update script:
     passthru.monorepoSrc = monorepoSrc;
 
@@ -447,10 +536,12 @@ stdenv.mkDerivation (rec {
         under the "Apache 2.0 License with LLVM exceptions".
       '';
     };
-} // lib.optionalAttrs enableManpages ({
+  }
+  // lib.optionalAttrs enableManpages (
+    {
       pname = "llvm-manpages";
 
-  propagatedBuildInputs = [];
+      propagatedBuildInputs = [ ];
 
       postPatch = null;
       postInstall = null;
@@ -462,7 +553,10 @@ stdenv.mkDerivation (rec {
       meta = llvm_meta // {
         description = "man pages for LLVM ${version}";
       };
-} // (if lib.versionOlder release_version "15" then {
+    }
+    // (
+      if lib.versionOlder release_version "15" then
+        {
           buildPhase = ''
             make docs-llvm-man
           '';
@@ -470,26 +564,32 @@ stdenv.mkDerivation (rec {
           installPhase = ''
             make -C docs install
           '';
-} else {
+        }
+      else
+        {
           ninjaFlags = [ "docs-llvm-man" ];
           installTargets = [ "install-docs-llvm-man" ];
 
           postPatch = null;
           postInstall = null;
-})) // lib.optionalAttrs (lib.versionOlder release_version "13") {
+        }
+    )
+  )
+  // lib.optionalAttrs (lib.versionOlder release_version "13") {
     inherit polly_src;
 
-  unpackPhase = ''
+    unpackPhase =
+      ''
         unpackFile $src
         mv llvm-${release_version}* llvm
         sourceRoot=$PWD/llvm
-  '' + optionalString enablePolly ''
+      ''
+      + optionalString enablePolly ''
         unpackFile $polly_src
         mv polly-* $sourceRoot/tools/polly
       '';
-} // lib.optionalAttrs (lib.versionAtLeast release_version "13") {
-  nativeCheckInputs = [ which ] ++ lib.optional (stdenv.isDarwin && lib.versionAtLeast release_version "15") sysctl;
-} // lib.optionalAttrs (lib.versionOlder release_version "15") {
+  }
+  // lib.optionalAttrs (lib.versionOlder release_version "15") {
     # hacky fix: created binaries need to be run before installation
     preBuild = ''
       mkdir -p $out/
@@ -503,7 +603,8 @@ stdenv.mkDerivation (rec {
     preCheck = ''
       export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/lib
     '';
-} // lib.optionalAttrs (lib.versionAtLeast release_version "15") {
+  }
+  // lib.optionalAttrs (lib.versionAtLeast release_version "15") {
     # Defensive check: some paths (that we make symlinks to) depend on the release
     # version, for example:
     #  - https://github.com/llvm/llvm-project/blob/406bde9a15136254f2b10d9ef3a42033b3cb1b16/clang/lib/Headers/CMakeLists.txt#L185
@@ -512,12 +613,14 @@ stdenv.mkDerivation (rec {
     # version we were given.
     #
     # We do this check here, in the LLVM build, because it happens early.
-  postConfigure = let
+    postConfigure =
+      let
         v = lib.versions;
         major = v.major release_version;
         minor = v.minor release_version;
         patch = v.patch release_version;
-  in ''
+      in
+      ''
         # $1: part, $2: expected
         check_version() {
           part="''${1^^}"
@@ -535,6 +638,5 @@ stdenv.mkDerivation (rec {
         check_version minor ${minor}
         check_version patch ${patch}
       '';
-} // lib.optionalAttrs (lib.versionOlder release_version "17" || lib.versionAtLeast release_version "18") {
-  hardeningDisable = [ "trivialautovarinit" ];
-})
+  }
+)

pkgs/development/compilers/llvm/common/mlir/default.nix

@@ -1,15 +1,20 @@
-{ lib
-, stdenv
-, llvm_meta
-, buildLlvmTools
-, monorepoSrc
-, runCommand
-, cmake
-, ninja
-, libxml2
-, libllvm
-, version
-, doCheck ? (!stdenv.isx86_32 /* TODO: why */) && (!stdenv.hostPlatform.isMusl)
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  buildLlvmTools,
+  monorepoSrc,
+  runCommand,
+  cmake,
+  ninja,
+  libxml2,
+  libllvm,
+  version,
+  doCheck ?
+    (
+      !stdenv.isx86_32 # TODO: why
+    )
+    && (!stdenv.hostPlatform.isMusl),
 }:
 
 stdenv.mkDerivation rec {
@@ -28,9 +33,7 @@ stdenv.mkDerivation rec {
 
   sourceRoot = "${src.name}/mlir";
 
-  patches = [
-    ./gnu-install-dirs.patch
-  ];
+  patches = [ ./gnu-install-dirs.patch ];
 
   nativeBuildInputs = [
     cmake
@@ -42,7 +45,8 @@ stdenv.mkDerivation rec {
     libxml2
   ];
 
-  cmakeFlags = [
+  cmakeFlags =
+    [
       "-DLLVM_BUILD_TOOLS=ON"
       # Install headers as well
       "-DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF"
@@ -55,17 +59,28 @@ stdenv.mkDerivation rec {
       "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
       "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
       "-DLLVM_ENABLE_DUMP=ON"
-  ] ++ lib.optionals stdenv.hostPlatform.isStatic [
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isStatic [
       # Disables building of shared libs, -fPIC is still injected by cc-wrapper
       "-DLLVM_ENABLE_PIC=OFF"
       "-DLLVM_BUILD_STATIC=ON"
       "-DLLVM_LINK_LLVM_DYLIB=OFF"
-  ] ++ lib.optionals ((stdenv.hostPlatform != stdenv.buildPlatform) && !(stdenv.buildPlatform.canExecute stdenv.hostPlatform)) [
+    ]
+    ++
+      lib.optionals
+        (
+          (stdenv.hostPlatform != stdenv.buildPlatform)
+          && !(stdenv.buildPlatform.canExecute stdenv.hostPlatform)
+        )
+        [
           "-DLLVM_TABLEGEN_EXE=${buildLlvmTools.llvm}/bin/llvm-tblgen"
           "-DMLIR_TABLEGEN_EXE=${buildLlvmTools.mlir}/bin/mlir-tblgen"
         ];
 
-  outputs = [ "out" "dev" ];
+  outputs = [
+    "out"
+    "dev"
+  ];
 
   meta = llvm_meta // {
     homepage = "https://mlir.llvm.org/";

pkgs/development/compilers/llvm/common/openmp/default.nix

@@ -1,63 +1,63 @@
-{ lib
-, stdenv
-, llvm_meta
-, release_version
-, patches ? []
-, monorepoSrc ? null
-, src ? null
-, runCommand
-, cmake
-, ninja
-, llvm
-, targetLlvm
-, lit
-, clang-unwrapped
-, perl
-, pkg-config
-, xcbuild
-, version
+{
+  lib,
+  stdenv,
+  llvm_meta,
+  release_version,
+  patches ? [ ],
+  monorepoSrc ? null,
+  src ? null,
+  runCommand,
+  cmake,
+  ninja,
+  llvm,
+  targetLlvm,
+  lit,
+  clang-unwrapped,
+  perl,
+  pkg-config,
+  xcbuild,
+  version,
 }:
 let
   pname = "openmp";
   src' =
     if monorepoSrc != null then
-      runCommand "${pname}-src-${version}" {} ''
+      runCommand "${pname}-src-${version}" { } ''
         mkdir -p "$out"
         cp -r ${monorepoSrc}/cmake "$out"
         cp -r ${monorepoSrc}/${pname} "$out"
-      '' else src;
+      ''
+    else
+      src;
 in
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation (
+  rec {
     inherit pname version patches;
 
     src = src';
 
-  sourceRoot =
-    if lib.versionOlder release_version "13" then null
-    else "${src.name}/${pname}";
+    sourceRoot = if lib.versionOlder release_version "13" then null else "${src.name}/${pname}";
 
-  outputs = [ "out" ]
-    ++ lib.optionals (lib.versionAtLeast release_version "14") [ "dev" ];
+    outputs = [ "out" ] ++ lib.optionals (lib.versionAtLeast release_version "14") [ "dev" ];
 
-  patchFlags =
-    if lib.versionOlder release_version "14" then [ "-p2" ]
-    else null;
+    patchFlags = if lib.versionOlder release_version "14" then [ "-p2" ] else null;
 
-  nativeBuildInputs = [
-    cmake
-  ] ++ lib.optionals (lib.versionAtLeast release_version "15") [
-    ninja
-  ] ++ [ perl ] ++ lib.optionals (lib.versionAtLeast release_version "14") [
-    pkg-config lit
+    nativeBuildInputs =
+      [ cmake ]
+      ++ lib.optionals (lib.versionAtLeast release_version "15") [ ninja ]
+      ++ [ perl ]
+      ++ lib.optionals (lib.versionAtLeast release_version "14") [
+        pkg-config
+        lit
       ];
 
-  buildInputs = [
-    (if stdenv.buildPlatform == stdenv.hostPlatform then llvm else targetLlvm)
-  ];
+    buildInputs = [ (if stdenv.buildPlatform == stdenv.hostPlatform then llvm else targetLlvm) ];
 
-  cmakeFlags = lib.optionals (lib.versions.major release_version == "13") [
+    cmakeFlags =
+      lib.optionals (lib.versions.major release_version == "13") [
         "-DLIBOMPTARGET_BUILD_AMDGCN_BCLIB=OFF" # Building the AMDGCN device RTL fails
-  ] ++ lib.optionals (lib.versionAtLeast release_version "14") [
+      ]
+      ++ lib.optionals (lib.versionAtLeast release_version "14") [
         "-DCLANG_TOOL=${clang-unwrapped}/bin/clang"
         "-DOPT_TOOL=${llvm}/bin/opt"
         "-DLINK_TOOL=${llvm}/bin/llvm-link"
@@ -75,12 +75,17 @@ stdenv.mkDerivation (rec {
       '';
       # "All of the code is dual licensed under the MIT license and the UIUC
       # License (a BSD-like license)":
-    license = with lib.licenses; [ mit ncsa ];
+      license = with lib.licenses; [
+        mit
+        ncsa
+      ];
     };
-} // (lib.optionalAttrs (lib.versionAtLeast release_version "14") {
+  }
+  // (lib.optionalAttrs (lib.versionAtLeast release_version "14") {
     doCheck = false;
     checkTarget = "check-openmp";
     preCheck = ''
       patchShebangs ../tools/archer/tests/deflake.bash
     '';
-}))
+  })
+)