gentoo resync : 25.03.2022

5 files changed, 333 insertions, 0 deletions

diff --git a/sys-devel/llvm-roc/Manifest b/sys-devel/llvm-roc/Manifest
index 6721cb6518e1..2dfe677e0e31 100644
--- a/sys-devel/llvm-roc/Manifest
+++ b/sys-devel/llvm-roc/Manifest
@@ -10,6 +10,9 @@ AUX llvm-roc-4.2.0-cyclades.patch 3703 BLAKE2B 3250b2da548ffe759155fb673f0f81cfb
 AUX llvm-roc-4.3.0-hip-location.patch 7128 BLAKE2B 6756bcad1c0bdef0729d3e7f2c6ea3468777623fb1493209956f436e9f234a1728e052c31ff064f8125c72d2a8cf68f425f76fb21cecf02680e999a6d5e7e41b SHA512 09f42ce7a37e072aa813036b78efd38cdaee54a1155fb347bf22f3f9f87441a6af83014fbc798f4d6d11966f40cf9c9fe6d3a8662b58be7859ab5b167eee37c2
 AUX llvm-roc-4.5.2-add_libraries.patch 342 BLAKE2B 74e4bd50143d8e369cd3cc805f2d15fbad94667adcb8b001faaa7ae038bd69b8b2a2f4a02572a7711dbdbb356b45c653371e1e90a6a3abbaf3261952d87fc2cb SHA512 24d5a6a3e3b710138c0795af5b93b222bcfe1739d650a13c9564e4d7452d77e6392229e2a1cc27005cf5d3a572d6533e25bb608b52e4d113449525cf766f0e25
 AUX llvm-roc-4.5.2-hip-location.patch 7108 BLAKE2B 1db4e922a3ec7ef3868c5adb7c811ddef2edf8e5b7bc02523a20fd41c9acd00ed904944c909fb8911b165c461832e38ec5eceeed0971680dfd3e4219f217c667 SHA512 a9fac99758a1ae98d3790e0b9f95056e852c62f2b53109a432514da60c1165f41533d6b94f9e9d88982bf22ef460d3813ca0532f5ffb801f184ec62778b6f856
+AUX llvm-roc-5.0.0-add_GNU-stack.patch 543 BLAKE2B 448b1c932ba9eb5c808277d4aa3caf835c44c5ef2564e0903ef4aa94c20c33dc1e0d4832d1338d0947079a3341eca59b919f1970e93dd878ef24da67fef90118 SHA512 961fd8a13bb9e9661b92ed994024eaff3629429499c40fe74649b0d8533c8e06bc5ae6f7eb5587d6361f253f8beb688e7150e11994244cd79680ad6863829096
+AUX llvm-roc-5.0.0-hip-location.patch 8082 BLAKE2B 3c468dfdf6eac3b85fcaa97bc33091042614f83be926c62b1750026fc131a425ee2b30a4ac285752b74b7120897327120b8825fa16577ab49e4e6fced76272fb SHA512 f0f86a18a5b60b10dee9214ae7504c5cdc1e38e4fd53c7fd8cae68f9181a8622b28a5796203f785199a8fdfc013567df4c8e4d6db767c6f62cc9f444d42a1880
+AUX llvm-roc-5.0.0-linkdl.patch 476 BLAKE2B 4854e08cbd4109eed02fb1154ff9dcf47d78b4a6670fbf65b5ce2dbfa0161a0e7a638299735c4edef4cac5799f1f88d3b781edb9738905ed118fc90f071fe47e SHA512 89097d32d2b5b7ff23192b5750771d2272b8ab34f248aa48f9570e778f94db61baffb6e8d2c3ddf017b745ee31edb03cc2d62439ddba8249d35692f32a4170cb
 DIST llvm-rocm-ocl-3.10.0.tar.gz 123600166 BLAKE2B 9b69dab6c7d1a8dfe0d90c76b54446ec7f8ef6e59c74ad328208ac07dbf8836ae412dc5c32fdcbfc926a2488e81cd8afef71c3ebca6cd8ff745205028ab380d8 SHA512 3bb7dac13d89cadfb61a231564155f49021437b7c35eae8735b88ceae4a23b7950643f17e3bfebb0868621297202a04d41120d50ea52b6ad8980dabe9bc75509
 DIST llvm-rocm-ocl-3.7.0.tar.gz 116973132 BLAKE2B c1cc8a3b95292d726626d3cb59ec1b96549682bfcbec16030e47cf1318c6ea01bc76f3349f012ce4f1e4d8b9fe192c51a025c2d08cf593622c61fe7c61969ba6 SHA512 0626075bedb3898c96c0bb0be7a2aba4662050a1c738115f661bedc03d744ace7a4581b55c6325060740c13a0e50e72e09272bb02c1186c2c4a40fc9b961dcbe
 DIST llvm-rocm-ocl-3.8.0.tar.gz 117004300 BLAKE2B 13c3213f0fb951fb9d574e8f6d76bb6c632fecadfe93dbe68a9720baa22e35aa3269deef8b533c5a5ff50a2c1ee3dd7a1ea0fae4b8ab8573ec5bfc5ca5d04f4f SHA512 4eca387a132c9d1237ebec7c80319e99c80088766209d05a697d09890f4a82c56ba5f48a5c8c8749bb051c177bb5eab67e00405b04d3191681d0ac7cf1ae868c
@@ -21,6 +24,7 @@ DIST llvm-rocm-ocl-4.1.1.tar.gz 128914019 BLAKE2B 9806d1da497e9d9864fd015fc92f5e
 DIST llvm-rocm-ocl-4.2.0.tar.gz 132337711 BLAKE2B f08781f881f2853cd551828ef9190c1253e33ca1bfb13aac790b6484838fe5481be9519609ea9cf4bc09a6c8631c54a567123dfe97c25498c51c464d215049de SHA512 694c37c707c84d18cddb92054d8d59e1eea82c9c9928d0111992cbae1421d6bb614a0889891993b444a821c35fa6e91c801ac8555761c2cd0803f89981475952
 DIST llvm-rocm-ocl-4.3.0.tar.gz 134152148 BLAKE2B aaadb75f0b2f72d3c4dca4b375a38b2806491b854d45f6f95bc398c4b7685fccbc4e6df86869c200f08ced5ddb540344ace2402819cdd3c27c5167a71a78bb3b SHA512 4f85f06d5331770b8697bbe62776579ed02016d899ed9c5328d5953fc5992a0996f7934e7417d6062e77a317d242295803fbeab04b0428d5f257cecd4c25c0cd
 DIST llvm-rocm-ocl-4.5.2.tar.gz 137370130 BLAKE2B f91823b9f0a3b78062eb5e9aa564a31752ab377bebc613892938d4aa6f8e54eb2b00123d0e60e5e703cd41d380cedac07234f024e3812b8df71519d0c7c32625 SHA512 fa4147e73fd37db6735e29cb99c5a7da4edcd1f51af30574d35a359b483aba4b3d4bdefa0845d3991fc0d0758b3e403e7e252033712cc4a8c038d07d9539c18f
+DIST llvm-rocm-ocl-5.0.2.tar.gz 150281451 BLAKE2B e4363266e05e13af761dd6f440dbfc30905f219e428fa3b2595800ba0c80c97cd7e2615d68acd9aea4fc66454ee8a3ff7a52a60d3aed4e93af5007050277e5fe SHA512 9be9f1a0ad1a0089aa27858174ce37c7a02902b6dedc338382f42ed0567823cc4bb11b68c130470590c16d4d92ab2735a06c27d248237ffa2d394253328f6705
 EBUILD llvm-roc-3.10.0.ebuild 1504 BLAKE2B 45a36c92ddd29b3e8c811db5476172a25847dab08436d03e3680c770494462257f31f30147744dcf18ca6364c24378b8f7723af20ee7675fe16511029a0cb869 SHA512 629d3193ece5023b0eaa12a70da8f003900d90bcccea1b8363f7dace8b559f16680e618a6e90932e60013a620ce2e2b2a6b4419494d411260a21eb15845fd4e1
 EBUILD llvm-roc-3.7.0-r1.ebuild 1365 BLAKE2B a958e69206d2a91c93668c236bcd3fea12a80fc1860a58b92268a2deb546a4602a1863cbbfa1187afd0158303898def84cba1561a5b3e6c9af0e74e49c15e686 SHA512 a584e3f0816108d378115685329aec5eda07d8c944d532ba48499225d9ceaf043e1c341ea7762f26d35e241143671dafc7b13f48127f9f5236a5e5c5f38793d0
 EBUILD llvm-roc-3.8.0.ebuild 1460 BLAKE2B 6582c682c3e0d648bc948aeb6214ae0cc578e9a7ff78c393186a22ca2535288924770a2590fe4d32787f25489ab5c537548a2b39fc5235e8d8b61f5833f4c1d3 SHA512 81a7adc423792f0eb23195eab9747ae04426f73238d82e19d2d03d7fbbbf81df946478cf12e9a75019edd6871b441cae1aebfb085ced8624e64921fa5e760bdb
@@ -33,4 +37,5 @@ EBUILD llvm-roc-4.1.1.ebuild 2392 BLAKE2B 6991a50a82746c051c1084f0e4794c31347fc7
 EBUILD llvm-roc-4.2.0.ebuild 2366 BLAKE2B 91003a3a21fc407c8546b4984daf617414877b61b83bfa20ddad15f64582b3076e744d42040d896c3afec6ca9e9a06433035883775d72841914c48b6a60546b8 SHA512 c149083879e100e8db6125c9d5ce839e3cf15e932b49378be4351da1e5213369b18a428b681d7dd1fd53aa1e0c9ec24e6d8cc2c59a8fd748395764473b5bedd4
 EBUILD llvm-roc-4.3.0-r1.ebuild 2447 BLAKE2B f8c8605942225d53517c373cc42e6f6ca73000a47415ad89fdf8a6095a05637715be1d7636b388a82f7040db5e256d9a2a0a206a6956de6ca4fa7b8884e9b637 SHA512 fe11f3b4a2ba24cdb068fc4ba8a0a0f0b8bb72a3d42fc0701d3d6fdf1cad9fb9f0d8f458da987a14601102a095eccb1ec7dac36a1863e19d58cdc2722325cc86
 EBUILD llvm-roc-4.5.2.ebuild 2483 BLAKE2B 214d3e1ecd20566d458232f5af38de0f97b0afcbd0aa7c22a9ee3d2f283003f8bf661bbd8db372fc568f37b16bc936721a3f828eabd088efa74c79ad7a31d733 SHA512 51ed907721b60aeb61d5b8c407246d4f78d1b363ee55b55109c08a72085499dcfb2b29319cfc4d550465de064258385fe35d5257752c12eab0c43a1bb6f6d917
+EBUILD llvm-roc-5.0.2.ebuild 2455 BLAKE2B c2caa36ec4031e5dea3863838b4b16717c4a396561293aec6730ad688fb4496a33a968ccd853cd971e65550cc923c623ffed454b81fd7b3ed0d36ac70f853f2d SHA512 516a60a237019b48eb261279d7a18b4d66f7a5c11da659e5c139795f298073976796b1333ed0c6490d0c7c33c52e9bab386df55a70cbae4dd92e8052edea2017
 MISC metadata.xml 470 BLAKE2B e3e508a8f3178c63fb93afc93d42ff41f8f6290d763762c1200ecdccef16ce2b2dcb3e810e950ba9c8db2ec37639ffafb47b38bb7e03f6dbbb0496ae96c16d3b SHA512 3764f794532fb58cb944d718e1e59f4abc42270f3fd80c2f8b8537dfefc46f6a495bc126e842a9b4e560cc207902548aef9e2f2641b1a11954db3c2f98246133
diff --git a/sys-devel/llvm-roc/files/llvm-roc-5.0.0-add_GNU-stack.patch b/sys-devel/llvm-roc/files/llvm-roc-5.0.0-add_GNU-stack.patch
new file mode 100644
index 000000000000..f57989c8c8a3
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-5.0.0-add_GNU-stack.patch
@@ -0,0 +1,14 @@
+Add .note.GNU-stack to mitigate QA notice according to 
+https://wiki.gentoo.org/wiki/Hardened/GNU_stack_quickstart
+===================================================================
+--- llvm-project-rocm-5.0.0.orig/compiler-rt/lib/orc/elfnix_tls.x86-64.S
++++ llvm-project-rocm-5.0.0/compiler-rt/lib/orc/elfnix_tls.x86-64.S
+@@ -61,4 +61,8 @@ ___orc_rt_elfnix_tls_get_addr:
+         popq            %rbp
+         ret
+ 
++#if defined(__linux__) && defined(__ELF__)
++	.section .note.GNU-stack,"",%progbits
++#endif
++
+ #endif // defined(__x86_64__)
diff --git a/sys-devel/llvm-roc/files/llvm-roc-5.0.0-hip-location.patch b/sys-devel/llvm-roc/files/llvm-roc-5.0.0-hip-location.patch
new file mode 100644
index 000000000000..614a16d1e810
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-5.0.0-hip-location.patch
@@ -0,0 +1,206 @@
+replace hardcoded hip finder with Gentoo paths.
+
+It is not necessary to check HIP runtime each time.
+
+Author: Benda Xu <heroxbd@gentoo.org>
+Author: Yiyang Wu <xgreenlandforwyy@gmail.com>
+
+Index: llvm-project-rocm-5.0.1/clang/lib/Driver/ToolChains/AMDGPU.cpp
+===================================================================
+--- llvm-project-rocm-5.0.1.orig/clang/lib/Driver/ToolChains/AMDGPU.cpp
++++ llvm-project-rocm-5.0.1/clang/lib/Driver/ToolChains/AMDGPU.cpp
+@@ -169,139 +169,8 @@ bool RocmInstallationDetector::parseHIPV
+ /// cached and populated only once.
+ const SmallVectorImpl<RocmInstallationDetector::Candidate> &
+ RocmInstallationDetector::getInstallationPathCandidates() {
+-
+-  // Return the cached candidate list if it has already been populated.
+-  if (!ROCmSearchDirs.empty())
+-    return ROCmSearchDirs;
+-
+-  auto DoPrintROCmSearchDirs = [&]() {
+-    if (PrintROCmSearchDirs)
+-      for (auto Cand : ROCmSearchDirs) {
+-        llvm::errs() << "ROCm installation search path";
+-        if (Cand.isSPACK())
+-          llvm::errs() << " (Spack " << Cand.SPACKReleaseStr << ")";
+-        llvm::errs() << ": " << Cand.Path << '\n';
+-      }
+-  };
+-
+-  // For candidate specified by --rocm-path we do not do strict check, i.e.,
+-  // checking existence of HIP version file and device library files.
+-  if (!RocmPathArg.empty()) {
+-    ROCmSearchDirs.emplace_back(RocmPathArg.str());
+-    DoPrintROCmSearchDirs();
+-    return ROCmSearchDirs;
+-  } else if (const char *RocmPathEnv = ::getenv("ROCM_PATH")) {
+-    if (!StringRef(RocmPathEnv).empty()) {
+-      ROCmSearchDirs.emplace_back(RocmPathEnv);
+-      DoPrintROCmSearchDirs();
+-      return ROCmSearchDirs;
+-    }
+-  }
+-
+-  // Try to find relative to the compiler binary.
+-  const char *InstallDir = D.getInstalledDir();
+-
+-  // Check both a normal Unix prefix position of the clang binary, as well as
+-  // the Windows-esque layout the ROCm packages use with the host architecture
+-  // subdirectory of bin.
+-  auto DeduceROCmPath = [](StringRef ClangPath) {
+-    // Strip off directory (usually bin)
+-    StringRef ParentDir = llvm::sys::path::parent_path(ClangPath);
+-    StringRef ParentName = llvm::sys::path::filename(ParentDir);
+-
+-    // Some builds use bin/{host arch}, so go up again.
+-    if (ParentName == "bin") {
+-      ParentDir = llvm::sys::path::parent_path(ParentDir);
+-      ParentName = llvm::sys::path::filename(ParentDir);
+-    }
+-
+-    // Detect ROCm packages built with SPACK.
+-    // clang is installed at
+-    // <rocm_root>/llvm-amdgpu-<rocm_release_string>-<hash>/bin directory.
+-    // We only consider the parent directory of llvm-amdgpu package as ROCm
+-    // installation candidate for SPACK.
+-    if (ParentName.startswith("llvm-amdgpu-")) {
+-      auto SPACKPostfix =
+-          ParentName.drop_front(strlen("llvm-amdgpu-")).split('-');
+-      auto SPACKReleaseStr = SPACKPostfix.first;
+-      if (!SPACKReleaseStr.empty()) {
+-        ParentDir = llvm::sys::path::parent_path(ParentDir);
+-        return Candidate(ParentDir.str(), /*StrictChecking=*/true,
+-                         SPACKReleaseStr);
+-      }
+-    }
+-
+-    // Some versions of the rocm llvm package install to /opt/rocm/llvm/bin
+-    // Some versions of the aomp package install to /opt/rocm/aomp/bin
+-    if (ParentName == "llvm" || ParentName.startswith("aomp"))
+-      ParentDir = llvm::sys::path::parent_path(ParentDir);
+-    // Some versions of the aomp package install to /opt/rocm/aomp/bin
+-    // and it seems ParentDir is already pointing to correct place.
+-    return Candidate(ParentDir.str(), /*StrictChecking=*/true);
+-  };
+-
+-  // Deduce ROCm path by the path used to invoke clang. Do not resolve symbolic
+-  // link of clang itself.
+-  ROCmSearchDirs.emplace_back(DeduceROCmPath(InstallDir));
+-
+-  // Deduce ROCm path by the real path of the invoked clang, resolving symbolic
+-  // link of clang itself.
+-  llvm::SmallString<256> RealClangPath;
+-  llvm::sys::fs::real_path(D.getClangProgramPath(), RealClangPath);
+-  auto ParentPath = llvm::sys::path::parent_path(RealClangPath);
+-  if (ParentPath != InstallDir)
+-    ROCmSearchDirs.emplace_back(DeduceROCmPath(ParentPath));
+-
+-  // Device library may be installed in clang or resource directory.
+-  auto ClangRoot = llvm::sys::path::parent_path(InstallDir);
+-  auto RealClangRoot = llvm::sys::path::parent_path(ParentPath);
+-  ROCmSearchDirs.emplace_back(ClangRoot.str(), /*StrictChecking=*/true);
+-  if (RealClangRoot != ClangRoot)
+-    ROCmSearchDirs.emplace_back(RealClangRoot.str(), /*StrictChecking=*/true);
+-  ROCmSearchDirs.emplace_back(D.ResourceDir,
+-                              /*StrictChecking=*/true);
+-
+-  ROCmSearchDirs.emplace_back(D.SysRoot + "/opt/rocm",
+-                              /*StrictChecking=*/true);
+-
+-  // Find the latest /opt/rocm-{release} directory.
+-  std::error_code EC;
+-  std::string LatestROCm;
+-  llvm::VersionTuple LatestVer;
+-  // Get ROCm version from ROCm directory name.
+-  auto GetROCmVersion = [](StringRef DirName) {
+-    llvm::VersionTuple V;
+-    std::string VerStr = DirName.drop_front(strlen("rocm-")).str();
+-    // The ROCm directory name follows the format of
+-    // rocm-{major}.{minor}.{subMinor}[-{build}]
+-    std::replace(VerStr.begin(), VerStr.end(), '-', '.');
+-    V.tryParse(VerStr);
+-    return V;
+-  };
+-  for (llvm::vfs::directory_iterator
+-           File = D.getVFS().dir_begin(D.SysRoot + "/opt", EC),
+-           FileEnd;
+-       File != FileEnd && !EC; File.increment(EC)) {
+-    llvm::StringRef FileName = llvm::sys::path::filename(File->path());
+-    if (!FileName.startswith("rocm-"))
+-      continue;
+-    if (LatestROCm.empty()) {
+-      LatestROCm = FileName.str();
+-      LatestVer = GetROCmVersion(LatestROCm);
+-      continue;
+-    }
+-    auto Ver = GetROCmVersion(FileName);
+-    if (LatestVer < Ver) {
+-      LatestROCm = FileName.str();
+-      LatestVer = Ver;
+-    }
+-  }
+-  if (!LatestROCm.empty())
+-    ROCmSearchDirs.emplace_back(D.SysRoot + "/opt/" + LatestROCm,
+-                                /*StrictChecking=*/true);
+-
+-  DoPrintROCmSearchDirs();
+-  return ROCmSearchDirs;
++	ROCmSearchDirs.emplace_back(D.SysRoot + "/usr", /*StrictChecking=*/true);
++	return ROCmSearchDirs;
+ }
+ 
+ RocmInstallationDetector::RocmInstallationDetector(
+@@ -410,7 +279,7 @@ void RocmInstallationDetector::detectDev
+     // - ${ROCM_ROOT}/lib/bitcode/*
+     // so try to detect these layouts.
+     static constexpr std::array<const char *, 2> SubDirsList[] = {
+-        {"amdgcn", "bitcode"},
++        {"lib/amdgcn", "bitcode"},
+         {"lib", ""},
+         {"lib", "bitcode"},
+     };
+@@ -433,42 +302,7 @@ void RocmInstallationDetector::detectDev
+ }
+ 
+ void RocmInstallationDetector::detectHIPRuntime() {
+-  SmallVector<Candidate, 4> HIPSearchDirs;
+-  if (!HIPPathArg.empty())
+-    HIPSearchDirs.emplace_back(HIPPathArg.str(), /*StrictChecking=*/true);
+-  else
+-    HIPSearchDirs.append(getInstallationPathCandidates());
+-  auto &FS = D.getVFS();
+-
+-  for (const auto &Candidate : HIPSearchDirs) {
+-    InstallPath = Candidate.Path;
+-    if (InstallPath.empty() || !FS.exists(InstallPath))
+-      continue;
+-    // HIP runtime built by SPACK is installed to
+-    // <rocm_root>/hip-<rocm_release_string>-<hash> directory.
+-    auto SPACKPath = findSPACKPackage(Candidate, "hip");
+-    InstallPath = SPACKPath.empty() ? InstallPath : SPACKPath;
+-
+-    BinPath = InstallPath;
+-    llvm::sys::path::append(BinPath, "bin");
+-    IncludePath = InstallPath;
+-    llvm::sys::path::append(IncludePath, "include");
+-    LibPath = InstallPath;
+-    llvm::sys::path::append(LibPath, "lib");
+-
+-    llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> VersionFile =
+-        FS.getBufferForFile(BinPath + "/.hipVersion");
+-    if (!VersionFile && Candidate.StrictChecking)
+-      continue;
+-
+-    if (HIPVersionArg.empty() && VersionFile)
+-      if (parseHIPVersionFile((*VersionFile)->getBuffer()))
+-        continue;
+-
+-    HasHIPRuntime = true;
+-    return;
+-  }
+-  HasHIPRuntime = false;
++  HasHIPRuntime = true;
+ }
+ 
+ void RocmInstallationDetector::print(raw_ostream &OS) const {
diff --git a/sys-devel/llvm-roc/files/llvm-roc-5.0.0-linkdl.patch b/sys-devel/llvm-roc/files/llvm-roc-5.0.0-linkdl.patch
new file mode 100644
index 000000000000..80598c6f990d
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-5.0.0-linkdl.patch
@@ -0,0 +1,11 @@
+LLVMOffloadArch should link libdl to fix undefined symbol 'dlsym' when linking
+--- llvm.orig/lib/OffloadArch/offload-arch/CMakeLists.txt
++++ llvm/lib/OffloadArch/offload-arch/CMakeLists.txt
+@@ -3,6 +3,7 @@ add_llvm_tool(offload-arch
+   ${CMAKE_CURRENT_SOURCE_DIR}/offload-arch.cpp
+   DEPENDS generated-table LLVMOffloadArch
+ )
++target_link_libraries(LLVMOffloadArch PRIVATE ${CMAKE_DL_LIBS})
+ target_link_libraries(offload-arch PRIVATE LLVMOffloadArch)
+ 
+ if(CMAKE_HOST_UNIX)
diff --git a/sys-devel/llvm-roc/llvm-roc-5.0.2.ebuild b/sys-devel/llvm-roc/llvm-roc-5.0.2.ebuild
new file mode 100644
index 000000000000..6dc4f6a23e2c
--- /dev/null
+++ b/sys-devel/llvm-roc/llvm-roc-5.0.2.ebuild
@@ -0,0 +1,97 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Radeon Open Compute llvm,lld,clang"
+HOMEPAGE="https://github.com/RadeonOpenCompute/ROCm/"
+SRC_URI="https://github.com/RadeonOpenCompute/llvm-project/archive/rocm-${PV}.tar.gz -> llvm-rocm-ocl-${PV}.tar.gz"
+
+LICENSE="UoI-NCSA rc BSD public-domain"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="debug +runtime"
+
+RDEPEND="
+	dev-libs/libxml2
+	sys-libs/zlib
+	sys-libs/ncurses:="
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/llvm-project-rocm-${PV}/llvm"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-4.2.0-current_pos.patch"
+	"${FILESDIR}/${PN}-5.0.0-linkdl.patch"
+)
+
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+src_prepare() {
+	pushd "${WORKDIR}/llvm-project-rocm-${PV}" || die
+	eapply "${FILESDIR}/${PN}-4.0.0-remove-isystem-usr-include.patch"
+	eapply "${FILESDIR}/${PN}-5.0.0-hip-location.patch"
+	eapply "${FILESDIR}/${PN}-5.0.0-add_GNU-stack.patch"
+	popd || die
+
+	if [[ -n ${EPREFIX} ]]; then
+		pushd "${S}"/../clang >/dev/null || die
+		sed -i -e "s@DEFAULT_SYSROOT \"\"@DEFAULT_SYSROOT \"${EPREFIX}\"@" CMakeLists.txt || die
+		eend $?
+		ebegin "Use "${EPREFIX}" as default sysroot"
+		cd lib/Driver/ToolChains >/dev/null || die
+		ebegin "Use dynamic linker from ${EPREFIX}"
+		sed -i -e "/LibDir.*Loader/s@return \"\/\"@return \"${EPREFIX}/\"@" Linux.cpp || die
+		eend $?
+
+		ebegin "Remove --sysroot call on ld for native toolchain"
+		sed -i -e "$(grep -n -B1 sysroot= Gnu.cpp | sed -ne '{1s/-.*//;1p}'),+1 d" Gnu.cpp || die
+		eend $?
+		popd >/dev/null || die
+	fi
+
+	# handled by sysroot, don't prefixify here.
+	sed -e 's:/opt/rocm:/usr/lib/hip:' \
+		-i "${S}"/../clang/lib/Driver/ToolChains/AMDGPU.cpp || die
+
+	eapply_user
+	cmake_src_prepare
+}
+
+src_configure() {
+	PROJECTS="clang;lld;llvm"
+
+	if usex runtime; then
+		PROJECTS+=";compiler-rt"
+	fi
+
+	local mycmakeargs=(
+		-Wno-dev
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/roc"
+		-DCMAKE_DISABLE_FIND_PACKAGE_CUDA=ON
+		-DLLVM_ENABLE_PROJECTS="${PROJECTS}"
+		-DLLVM_TARGETS_TO_BUILD="AMDGPU;X86"
+		-DLLVM_BUILD_DOCS=NO
+		-DLLVM_ENABLE_BINDINGS=OFF
+		-DLLVM_ENABLE_OCAMLDOC=OFF
+		-DLLVM_ENABLE_SPHINX=NO
+		-DLLVM_ENABLE_DOXYGEN=OFF
+		-DLLVM_BUILD_UTILS=ON
+		-DLLVM_VERSION_SUFFIX=roc
+		-DOCAMLFIND=NO
+	)
+
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	cat > "99${PN}" <<-EOF
+		LDPATH="${EPREFIX}/usr/lib/llvm/roc/lib"
+	EOF
+	doenvd "99${PN}"
+}