diff options
Diffstat (limited to 'pkgs/development/compilers/llvm/common/llvm/default.nix')
| -rw-r--r-- | pkgs/development/compilers/llvm/common/llvm/default.nix | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/pkgs/development/compilers/llvm/common/llvm/default.nix b/pkgs/development/compilers/llvm/common/llvm/default.nix new file mode 100644 index 0000000000000..89ea8f6e7a564 --- /dev/null +++ b/pkgs/development/compilers/llvm/common/llvm/default.nix @@ -0,0 +1,540 @@ +{ 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) + && !(stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isBigEndian) + && (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 +}: + +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)); + + # Ordinarily we would just the `doCheck` and `checkDeps` functionality + # `mkDerivation` gives us to manage our test dependencies (instead of breaking + # out `doCheck` as a package level attribute). + # + # Unfortunately `lit` does not forward `$PYTHONPATH` to children processes, in + # particular the children it uses to do feature detection. + # + # This means that python deps we add to `checkDeps` (which the python + # interpreter is made aware of via `$PYTHONPATH` – populated by the python + # setup hook) are not picked up by `lit` which causes it to skip tests. + # + # Adding `python3.withPackages (ps: [ ... ])` to `checkDeps` also doesn't work + # because this package is shadowed in `$PATH` by the regular `python3` + # package. + # + # So, we "manually" assemble one python derivation for the package to depend + # on, taking into account whether checks are enabled or not: + python = if doCheck then + # Note that we _explicitly_ ask for a python interpreter for our host + # platform here; the splicing that would ordinarily take care of this for + # us does not seem to work once we use `withPackages`. + let + checkDeps = ps: with ps; [ psutil ]; + in pkgsBuildBuild.targetPackages.python3.withPackages checkDeps + else python3; + + pname = "llvm"; + + src' = if monorepoSrc != null then + runCommand "${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 '' + chmod u+w "$out/${pname}/tools" + cp -r ${monorepoSrc}/polly "$out/${pname}/tools" + '') else src; + + patches' = patches ++ lib.optionals enablePolly pollyPatches; +in + +stdenv.mkDerivation (rec { + inherit pname version; + + src = src'; + patches = patches'; + + sourceRoot = if lib.versionOlder release_version "13" then null + else "${src.name}/${pname}"; + + outputs = [ "out" "lib" "dev" "python" ]; + + nativeBuildInputs = [ cmake ] + ++ (lib.optional (lib.versionAtLeast release_version "15") ninja) + ++ [ python ] + ++ optionals enableManpages [ + # Note: we intentionally use `python3Packages` instead of `python3.pkgs`; + # splicing does *not* work with the latter. (TODO: fix) + python3Packages.sphinx + ] ++ optionals (lib.versionOlder version "18" && enableManpages) [ + python3Packages.recommonmark + ] ++ optionals (lib.versionAtLeast version "18" && enableManpages) [ + python3Packages.myst-parser + ]; + + buildInputs = [ libxml2 libffi ] + ++ optional enablePFM libpfm; # exegesis + + propagatedBuildInputs = (lib.optional (lib.versionAtLeast release_version "14" || stdenv.buildPlatform == stdenv.hostPlatform) ncurses) + ++ [ zlib ]; + + postPatch = optionalString stdenv.isDarwin ('' + substituteInPlace cmake/modules/AddLLVM.cmake \ + --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \ + --replace 'set(_install_rpath "@loader_path/../''${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") ('' + 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)" "" + + '' + + # fails when run in sandbox + ((optionalString (lib.versionAtLeast release_version "18") '' + substituteInPlace unittests/Support/VirtualFileSystemTest.cpp \ + --replace "PhysicalFileSystemWorkingDirFailure" "DISABLED_PhysicalFileSystemWorkingDirFailure" + '') + + # 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 + # the sandbox on macOS). + # + # The `sw_vers` provided by nixpkgs reports the macOS version associated + # with the `CoreFoundation` framework with which it was built. Because + # nixpkgs pins the SDK for `aarch64-darwin` and `x86_64-darwin` what + # `sw_vers` reports is not guaranteed to match the macOS version of the host + # that's building this derivation. + # + # Astute readers will note that we only _patch_ this test on aarch64-darwin + # (to use the nixpkgs provided `sw_vers`) instead of disabling it outright. + # So why does this test pass on aarch64? + # + # Well, it seems that `sw_vers` on aarch64 actually links against the _host_ + # CoreFoundation framework instead of the nixpkgs provided one. + # + # Not entirely sure what the right fix is here. I'm assuming aarch64 + # `sw_vers` doesn't intentionally link against the host `CoreFoundation` + # (still digging into how this ends up happening, will follow up) but that + # aside I think the more pertinent question is: should we be patching LLVM's + # macOS version detection logic to use `sw_vers` instead of reading host + # paths? This *is* a way in which details about builder machines can creep + # into the artifacts that are produced, affecting reproducibility, but it's + # 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 \ + --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)). + lib.optionalString (lib.versionOlder release_version "19") '' + 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") '' + rm test/tools/llvm-objcopy/ELF/mirror-permissions-unix.test + '' + 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") ('' + 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} + substituteInPlace unittests/Support/CMakeLists.txt \ + --replace "add_subdirectory(DynamicLibrary)" "" + rm unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp + rm test/CodeGen/AArch64/wineh4.mir + '' + 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 + rm test/DebugInfo/X86/convert-linked.ll + 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 + # not trivial to apply. + 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") ('' + for f in \ + test/Other/new-pass-manager.ll \ + test/Other/new-pm-O0-defaults.ll \ + test/Other/new-pm-defaults.ll \ + test/Other/new-pm-lto-defaults.ll \ + test/Other/new-pm-thinlto-defaults.ll \ + test/Other/pass-pipeline-parsing.ll \ + test/Transforms/Inline/cgscc-incremental-invalidate.ll \ + test/Transforms/Inline/clear-analyses.ll \ + test/Transforms/LoopUnroll/unroll-loop-invalidation.ll \ + test/Transforms/SCCP/ipsccp-preserve-analysis.ll \ + test/Transforms/SCCP/preserve-analysis.ll \ + test/Transforms/SROA/dead-inst.ll \ + test/tools/gold/X86/new-pm.ll \ + ; do + echo "PATCH: $f" + substituteInPlace $f \ + --replace 'Starting llvm::' 'Starting {{.*}}' \ + --replace 'Finished llvm::' 'Finished {{.*}}' + done + '' + + # gcc-13 fix + '' + sed -i '/#include <string>/i#include <cstdint>' \ + include/llvm/DebugInfo/Symbolize/DIPrinter.h + '')); + + # Workaround for configure flags that need to have spaces + preConfigure = if lib.versionAtLeast release_version "15" then '' + cmakeFlagsArray+=( + -DLLVM_LIT_ARGS="-svj''${NIX_BUILD_CORES} --no-progress-bar" + ) + '' else '' + cmakeFlagsArray+=( + -DLLVM_LIT_ARGS='-svj''${NIX_BUILD_CORES} --no-progress-bar' + ) + ''; + + # E.g. mesa.drivers use the build-id as a cache key (see #93946): + LDFLAGS = optionalString (enableSharedLibraries && !stdenv.isDarwin) "-Wl,--build-id=sha1"; + + cmakeBuildType = if debugVersion then "Debug" else "Release"; + + cmakeFlags = with stdenv; let + # These flags influence llvm-config's BuildVariables.inc in addition to the + # general build. We need to make sure these are also passed via + # CROSS_TOOLCHAIN_FLAGS_NATIVE when cross-compiling or llvm-config-native + # will return different results from the cross llvm-config. + # + # Some flags don't need to be repassed because LLVM already does so (like + # CMAKE_BUILD_TYPE), others are irrelevant to the result. + flagsForLlvmConfig = (if lib.versionOlder release_version "15" then [ + "-DLLVM_INSTALL_CMAKE_DIR=${placeholder "dev"}/lib/cmake/llvm/" + ] else [ + "-DLLVM_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/llvm" + ]) ++ [ + "-DLLVM_ENABLE_RTTI=ON" + ] ++ optionals enableSharedLibraries [ + "-DLLVM_LINK_LLVM_DYLIB=ON" + ]; + in flagsForLlvmConfig ++ [ + "-DLLVM_INSTALL_UTILS=ON" # Needed by rustc + "-DLLVM_BUILD_TESTS=${if doCheck then "ON" else "OFF"}" + "-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 [ + # Disables building of shared libs, -fPIC is still injected by cc-wrapper + "-DLLVM_ENABLE_PIC=OFF" + "-DCMAKE_SKIP_INSTALL_RPATH=ON" + "-DLLVM_BUILD_STATIC=ON" + # libxml2 needs to be disabled because the LLVM build system ignores its .la + # file and doesn't link zlib as well. + # https://github.com/ClangBuiltLinux/tc-build/issues/150#issuecomment-845418812 + "-DLLVM_ENABLE_LIBXML2=OFF" + ] ++ 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=${libbfd.dev}/include" + ] ++ optionals isDarwin [ + "-DLLVM_ENABLE_LIBCXX=ON" + "-DCAN_TARGET_i386=false" + ] ++ optionals ((stdenv.hostPlatform != stdenv.buildPlatform) && !(stdenv.buildPlatform.canExecute stdenv.hostPlatform)) [ + "-DCMAKE_CROSSCOMPILING=True" + "-DLLVM_TABLEGEN=${buildLlvmTools.llvm}/bin/llvm-tblgen" + ( + let + nativeCC = pkgsBuildBuild.targetPackages.stdenv.cc; + nativeBintools = nativeCC.bintools.bintools; + nativeToolchainFlags = [ + "-DCMAKE_C_COMPILER=${nativeCC}/bin/${nativeCC.targetPrefix}cc" + "-DCMAKE_CXX_COMPILER=${nativeCC}/bin/${nativeCC.targetPrefix}c++" + "-DCMAKE_AR=${nativeBintools}/bin/${nativeBintools.targetPrefix}ar" + "-DCMAKE_STRIP=${nativeBintools}/bin/${nativeBintools.targetPrefix}strip" + "-DCMAKE_RANLIB=${nativeBintools}/bin/${nativeBintools.targetPrefix}ranlib" + ]; + # We need to repass the custom GNUInstallDirs values, otherwise CMake + # will choose them for us, leading to wrong results in llvm-config-native + nativeInstallFlags = [ + "-DCMAKE_INSTALL_PREFIX=${placeholder "out"}" + "-DCMAKE_INSTALL_BINDIR=${placeholder "out"}/bin" + "-DCMAKE_INSTALL_INCLUDEDIR=${placeholder "dev"}/include" + "-DCMAKE_INSTALL_LIBDIR=${placeholder "lib"}/lib" + "-DCMAKE_INSTALL_LIBEXECDIR=${placeholder "lib"}/libexec" + ]; + in "-DCROSS_TOOLCHAIN_FLAGS_NATIVE:list=" + + lib.concatStringsSep ";" (lib.concatLists [ + flagsForLlvmConfig + nativeToolchainFlags + nativeInstallFlags + ]) + ) + ]; + + 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" \ + --replace "\''${_IMPORT_PREFIX}/lib/lib" "$lib/lib/lib" \ + --replace "$out/bin/llvm-config" "$dev/bin/llvm-config" + '' + (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 '' + 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") '' + ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib + '' + + optionalString (stdenv.isDarwin && enableSharedLibraries) '' + ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${release_version}.dylib + '' + + optionalString (stdenv.buildPlatform != stdenv.hostPlatform) '' + cp NATIVE/bin/llvm-config $dev/bin/llvm-config-native + ''; + + inherit doCheck; + + checkTarget = "check-all"; + + # For the update script: + passthru.monorepoSrc = monorepoSrc; + + requiredSystemFeatures = [ "big-parallel" ]; + meta = llvm_meta // { + homepage = "https://llvm.org/"; + description = "Collection of modular and reusable compiler and toolchain technologies"; + longDescription = '' + The LLVM Project is a collection of modular and reusable compiler and + toolchain technologies. Despite its name, LLVM has little to do with + traditional virtual machines. The name "LLVM" itself is not an acronym; it + is the full name of the project. + LLVM began as a research project at the University of Illinois, with the + goal of providing a modern, SSA-based compilation strategy capable of + supporting both static and dynamic compilation of arbitrary programming + languages. Since then, LLVM has grown to be an umbrella project consisting + of a number of subprojects, many of which are being used in production by + a wide variety of commercial and open source projects as well as being + widely used in academic research. Code in the LLVM project is licensed + under the "Apache 2.0 License with LLVM exceptions". + ''; + }; +} // lib.optionalAttrs enableManpages ({ + pname = "llvm-manpages"; + + propagatedBuildInputs = []; + + postPatch = null; + postInstall = null; + + outputs = [ "out" ]; + + doCheck = false; + + meta = llvm_meta // { + description = "man pages for LLVM ${version}"; + }; +} // (if lib.versionOlder release_version "15" then { + buildPhase = '' + make docs-llvm-man + ''; + + installPhase = '' + make -C docs install + ''; +} else { + ninjaFlags = [ "docs-llvm-man" ]; + installTargets = [ "install-docs-llvm-man" ]; + + postPatch = null; + postInstall = null; +})) // lib.optionalAttrs (lib.versionOlder release_version "13") { + inherit polly_src; + + unpackPhase = '' + unpackFile $src + mv llvm-${release_version}* llvm + sourceRoot=$PWD/llvm + '' + 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") { + # hacky fix: created binaries need to be run before installation + preBuild = '' + mkdir -p $out/ + ln -sv $PWD/lib $out + ''; + + postBuild = '' + rm -fR $out + ''; + + preCheck = '' + export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/lib + ''; +} // 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 + # + # So we want to sure that the version in the source matches the release + # version we were given. + # + # We do this check here, in the LLVM build, because it happens early. + postConfigure = let + v = lib.versions; + major = v.major release_version; + minor = v.minor release_version; + patch = v.patch release_version; + in '' + # $1: part, $2: expected + check_version() { + part="''${1^^}" + part="$(cat include/llvm/Config/llvm-config.h | grep "#define LLVM_VERSION_''${part} " | cut -d' ' -f3)" + + if [[ "$part" != "$2" ]]; then + echo >&2 \ + "mismatch in the $1 version! we have version ${release_version}" \ + "and expected the $1 version to be '$2'; the source has '$part' instead" + exit 3 + fi + } + + check_version major ${major} + check_version minor ${minor} + check_version patch ${patch} + ''; +} // lib.optionalAttrs (lib.versionOlder release_version "17" || lib.versionAtLeast release_version "18") { + hardeningDisable = [ "trivialautovarinit" ]; +}) |