- Apply clang-shlib-symbol-versioning.patch to add symbol versions

to libclang-cpp.so similar to libLLVM.so. This is required when
  multiple versions of the library are loaded into the same
  process. (boo#1219405, boo#1221183, boo#1233220)
- Require libffi when we build openmp for offloading.
- Correct target name for libomptarget in file list.
- Update llvm16.keyring from upstream.

OBS-URL: https://build.opensuse.org/package/show/devel:tools:compiler/llvm16?expand=0&rev=38

.gitattributes

@@ -0,0 +1,23 @@
+## Default LFS
+*.7z filter=lfs diff=lfs merge=lfs -text
+*.bsp filter=lfs diff=lfs merge=lfs -text
+*.bz2 filter=lfs diff=lfs merge=lfs -text
+*.gem filter=lfs diff=lfs merge=lfs -text
+*.gz filter=lfs diff=lfs merge=lfs -text
+*.jar filter=lfs diff=lfs merge=lfs -text
+*.lz filter=lfs diff=lfs merge=lfs -text
+*.lzma filter=lfs diff=lfs merge=lfs -text
+*.obscpio filter=lfs diff=lfs merge=lfs -text
+*.oxt filter=lfs diff=lfs merge=lfs -text
+*.pdf filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
+*.rpm filter=lfs diff=lfs merge=lfs -text
+*.tbz filter=lfs diff=lfs merge=lfs -text
+*.tbz2 filter=lfs diff=lfs merge=lfs -text
+*.tgz filter=lfs diff=lfs merge=lfs -text
+*.ttf filter=lfs diff=lfs merge=lfs -text
+*.txz filter=lfs diff=lfs merge=lfs -text
+*.whl filter=lfs diff=lfs merge=lfs -text
+*.xz filter=lfs diff=lfs merge=lfs -text
+*.zip filter=lfs diff=lfs merge=lfs -text
+*.zst filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -0,0 +1 @@
+.osc

_constraints

@@ -0,0 +1,43 @@
+<?xml version="1.0"?>
+<constraints>
+  <hardware>
+    <disk>
+      <size unit="G">35</size>
+    </disk>
+    <memory>
+      <size unit="M">8192</size>
+    </memory>
+  </hardware>
+  <hostlabel exclude="true">SLOW_CPU</hostlabel>
+  <overwrite>
+    <!-- 
+      We have disabled debuginfo on 32 bit architecture because they simply can no address enough memory to link llvm libraries with it.
+      Without debuginfo the disk and memory requirements are much lower.
+    -->
+    <conditions>
+      <arch>armv6l</arch>
+      <arch>armv7l</arch>
+      <arch>i586</arch>
+      <arch>ppc</arch>
+      <arch>s390</arch>
+    </conditions>
+    <hardware>
+      <disk>
+        <size unit="G">10</size>
+      </disk>
+      <memory>
+        <size unit="M">2048</size>
+      </memory>
+    </hardware>
+  </overwrite>
+  <overwrite>
+    <conditions>
+      <arch>riscv64</arch>
+    </conditions>
+    <hardware>
+      <memory>
+        <size unit="M">14000</size>
+      </memory>
+    </hardware>
+  </overwrite>
+</constraints>

assume-opensuse.patch

@@ -0,0 +1,34 @@
+Index: clang-12.0.0rc1.src/lib/Driver/Distro.cpp
+===================================================================
+--- clang-12.0.0rc1.src.orig/lib/Driver/Distro.cpp
++++ clang-12.0.0rc1.src/lib/Driver/Distro.cpp
+@@ -93,6 +93,8 @@ static Distro::DistroType DetectLsbRelease...
+ }
+ 
+ static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) {
++    return Distro::OpenSUSE;
++/*
+   Distro::DistroType Version = Distro::UnknownDistro;
+
+   // Newer freedesktop.org's compilant systemd-based systems
+@@ -200,7 +202,7 @@ static Distro::DistroType DetectDistro(l
+   if (VFS.exists("/etc/gentoo-release"))
+     return Distro::Gentoo;
+ 
+-  return Distro::UnknownDistro;
++  return Distro::UnknownDistro;*/
+ }
+ 
+ static Distro::DistroType GetDistro(llvm::vfs::FileSystem &VFS,
+Index: clang-16.0.0rc1.src/unittests/Driver/CMakeLists.txt
+===================================================================
+--- clang-16.0.0rc1.src.orig/unittests/Driver/CMakeLists.txt
++++ clang-16.0.0rc1.src/unittests/Driver/CMakeLists.txt
+@@ -6,7 +6,6 @@ set(LLVM_LINK_COMPONENTS
+   )
+ 
+ add_clang_unittest(ClangDriverTests
+-  DistroTest.cpp
+   DXCModeTest.cpp
+   ToolChainTest.cpp
+   ModuleCacheTest.cpp

baselibs.conf

@@ -0,0 +1,2 @@
+libLLVM16
+libclang-cpp16

check-no-llvm-exegesis.patch

@@ -0,0 +1,30 @@
+--- a/llvm/test/CMakeLists.txt
++++ b/llvm/test/CMakeLists.txt
+@@ -81,7 +81,6 @@ set(LLVM_TEST_DEPENDS
+           llvm-dwarfdump
+           llvm-dwarfutil
+           llvm-dwp
+-          llvm-exegesis
+           llvm-extract
+           llvm-gsymutil
+           llvm-isel-fuzzer
+--- a/llvm/test/tools/llvm-exegesis/PowerPC/lit.local.cfg
++++ b/llvm/test/tools/llvm-exegesis/PowerPC/lit.local.cfg
+@@ -1,6 +1 @@
+-if not ('PowerPC' in config.root.targets):
+-    # We need support for PowerPC.
+-    config.unsupported = True
+-elif not ('powerpc' in config.root.host_triple):
+-    # We need to be running on an PPC host.
+-    config.unsupported = True
++config.unsupported = True
+--- a/llvm/test/tools/llvm-exegesis/X86/lit.local.cfg
++++ b/llvm/test/tools/llvm-exegesis/X86/lit.local.cfg
+@@ -1,6 +1 @@
+-if not ('X86' in config.root.targets):
+-    # We need support for X86.
+-    config.unsupported = True
+-elif not ('x86_64' in config.root.host_triple):
+-    # We need to be running on an X86 host.
+-    config.unsupported = True
++config.unsupported = True

clang-resourcedirs.patch

@@ -0,0 +1,13 @@
+Index: cfe-6.0.0rc1.src/lib/Driver/Driver.cpp
+===================================================================
+--- cfe-6.0.0rc1.src.orig/lib/Driver/Driver.cpp
++++ cfe-6.0.0rc1.src/lib/Driver/Driver.cpp
+@@ -115,7 +115,7 @@ Driver::Driver(StringRef ClangExecutable
+   // Dir is bin/ or lib/, depending on where BinaryPath is.
+   std::string Dir = std::string(llvm::sys::path::parent_path(BinaryPath));
+ 
+-  SmallString<128> P(Dir);
++  SmallString<128> P((Dir != "") ? Dir : "/usr/bin/");
+   if (CustomResourceDir != "") {
+     llvm::sys::path::append(P, CustomResourceDir);
+   } else {

clang-shlib-symbol-versioning.patch

@@ -0,0 +1,26 @@
+diff --git a/clang/tools/clang-shlib/CMakeLists.txt b/clang/tools/clang-shlib/CMakeLists.txt
+index aa7fcd1efed4..054c7d59ec34 100644
+--- a/clang/tools/clang-shlib/CMakeLists.txt
++++ b/clang/tools/clang-shlib/CMakeLists.txt
+@@ -48,6 +48,14 @@ add_clang_library(clang-cpp
+                   ${_OBJECTS}
+                   LINK_LIBS
+                   ${_DEPS})
++
++configure_file(simple_version_script.map.in simple_version_script.map)
++
++if (NOT LLVM_LINKER_IS_SOLARISLD AND NOT MINGW)
++  # Solaris ld does not accept global: *; so there is no way to version *all* global symbols
++  target_link_options(clang-cpp PRIVATE LINKER:--version-script,${CMAKE_CURRENT_BINARY_DIR}/simple_version_script.map)
++endif()
++
+ # Optimize function calls for default visibility definitions to avoid PLT and
+ # reduce dynamic relocations.
+ if (NOT APPLE AND NOT MINGW)
+diff --git a/clang/tools/clang-shlib/simple_version_script.map.in b/clang/tools/clang-shlib/simple_version_script.map.in
+new file mode 100644
+index 000000000000..cb2306d1f596
+--- /dev/null
++++ b/clang/tools/clang-shlib/simple_version_script.map.in
+@@ -0,0 +1 @@
++@LLVM_SHLIB_SYMBOL_VERSION@ { global: *; };

compact_unwind_encoding.h

@@ -0,0 +1,477 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//
+// Darwin's alternative to DWARF based unwind encodings.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef __COMPACT_UNWIND_ENCODING__
+#define __COMPACT_UNWIND_ENCODING__
+
+#include <stdint.h>
+
+//
+// Compilers can emit standard DWARF FDEs in the __TEXT,__eh_frame section
+// of object files. Or compilers can emit compact unwind information in
+// the __LD,__compact_unwind section.
+//
+// When the linker creates a final linked image, it will create a
+// __TEXT,__unwind_info section.  This section is a small and fast way for the
+// runtime to access unwind info for any given function.  If the compiler
+// emitted compact unwind info for the function, that compact unwind info will
+// be encoded in the __TEXT,__unwind_info section. If the compiler emitted
+// DWARF unwind info, the __TEXT,__unwind_info section will contain the offset
+// of the FDE in the __TEXT,__eh_frame section in the final linked image.
+//
+// Note: Previously, the linker would transform some DWARF unwind infos into
+//       compact unwind info.  But that is fragile and no longer done.
+
+
+//
+// The compact unwind encoding is a 32-bit value which encoded in an
+// architecture specific way, which registers to restore from where, and how
+// to unwind out of the function.
+//
+typedef uint32_t compact_unwind_encoding_t;
+
+
+// architecture independent bits
+enum {
+    UNWIND_IS_NOT_FUNCTION_START           = 0x80000000,
+    UNWIND_HAS_LSDA                        = 0x40000000,
+    UNWIND_PERSONALITY_MASK                = 0x30000000,
+};
+
+
+
+
+//
+// x86
+//
+// 1-bit: start
+// 1-bit: has lsda
+// 2-bit: personality index
+//
+// 4-bits: 0=old, 1=ebp based, 2=stack-imm, 3=stack-ind, 4=DWARF
+//  ebp based:
+//        15-bits (5*3-bits per reg) register permutation
+//        8-bits for stack offset
+//  frameless:
+//        8-bits stack size
+//        3-bits stack adjust
+//        3-bits register count
+//        10-bits register permutation
+//
+enum {
+    UNWIND_X86_MODE_MASK                         = 0x0F000000,
+    UNWIND_X86_MODE_EBP_FRAME                    = 0x01000000,
+    UNWIND_X86_MODE_STACK_IMMD                   = 0x02000000,
+    UNWIND_X86_MODE_STACK_IND                    = 0x03000000,
+    UNWIND_X86_MODE_DWARF                        = 0x04000000,
+
+    UNWIND_X86_EBP_FRAME_REGISTERS               = 0x00007FFF,
+    UNWIND_X86_EBP_FRAME_OFFSET                  = 0x00FF0000,
+
+    UNWIND_X86_FRAMELESS_STACK_SIZE              = 0x00FF0000,
+    UNWIND_X86_FRAMELESS_STACK_ADJUST            = 0x0000E000,
+    UNWIND_X86_FRAMELESS_STACK_REG_COUNT         = 0x00001C00,
+    UNWIND_X86_FRAMELESS_STACK_REG_PERMUTATION   = 0x000003FF,
+
+    UNWIND_X86_DWARF_SECTION_OFFSET              = 0x00FFFFFF,
+};
+
+enum {
+    UNWIND_X86_REG_NONE     = 0,
+    UNWIND_X86_REG_EBX      = 1,
+    UNWIND_X86_REG_ECX      = 2,
+    UNWIND_X86_REG_EDX      = 3,
+    UNWIND_X86_REG_EDI      = 4,
+    UNWIND_X86_REG_ESI      = 5,
+    UNWIND_X86_REG_EBP      = 6,
+};
+
+//
+// For x86 there are four modes for the compact unwind encoding:
+// UNWIND_X86_MODE_EBP_FRAME:
+//    EBP based frame where EBP is push on stack immediately after return address,
+//    then ESP is moved to EBP. Thus, to unwind ESP is restored with the current
+//    EPB value, then EBP is restored by popping off the stack, and the return
+//    is done by popping the stack once more into the pc.
+//    All non-volatile registers that need to be restored must have been saved
+//    in a small range in the stack that starts EBP-4 to EBP-1020.  The offset/4
+//    is encoded in the UNWIND_X86_EBP_FRAME_OFFSET bits.  The registers saved
+//    are encoded in the UNWIND_X86_EBP_FRAME_REGISTERS bits as five 3-bit entries.
+//    Each entry contains which register to restore.
+// UNWIND_X86_MODE_STACK_IMMD:
+//    A "frameless" (EBP not used as frame pointer) function with a small 
+//    constant stack size.  To return, a constant (encoded in the compact
+//    unwind encoding) is added to the ESP. Then the return is done by
+//    popping the stack into the pc.
+//    All non-volatile registers that need to be restored must have been saved
+//    on the stack immediately after the return address.  The stack_size/4 is
+//    encoded in the UNWIND_X86_FRAMELESS_STACK_SIZE (max stack size is 1024).
+//    The number of registers saved is encoded in UNWIND_X86_FRAMELESS_STACK_REG_COUNT.
+//    UNWIND_X86_FRAMELESS_STACK_REG_PERMUTATION contains which registers were
+//    saved and their order.
+// UNWIND_X86_MODE_STACK_IND:
+//    A "frameless" (EBP not used as frame pointer) function large constant 
+//    stack size.  This case is like the previous, except the stack size is too
+//    large to encode in the compact unwind encoding.  Instead it requires that 
+//    the function contains "subl $nnnnnnnn,ESP" in its prolog.  The compact 
+//    encoding contains the offset to the nnnnnnnn value in the function in
+//    UNWIND_X86_FRAMELESS_STACK_SIZE.  
+// UNWIND_X86_MODE_DWARF:
+//    No compact unwind encoding is available.  Instead the low 24-bits of the
+//    compact encoding is the offset of the DWARF FDE in the __eh_frame section.
+//    This mode is never used in object files.  It is only generated by the 
+//    linker in final linked images which have only DWARF unwind info for a
+//    function.
+//
+// The permutation encoding is a Lehmer code sequence encoded into a
+// single variable-base number so we can encode the ordering of up to
+// six registers in a 10-bit space.
+//
+// The following is the algorithm used to create the permutation encoding used
+// with frameless stacks.  It is passed the number of registers to be saved and
+// an array of the register numbers saved.
+//
+//uint32_t permute_encode(uint32_t registerCount, const uint32_t registers[6])
+//{
+//    uint32_t renumregs[6];
+//    for (int i=6-registerCount; i < 6; ++i) {
+//        int countless = 0;
+//        for (int j=6-registerCount; j < i; ++j) {
+//            if ( registers[j] < registers[i] )
+//                ++countless;
+//        }
+//        renumregs[i] = registers[i] - countless -1;
+//    }
+//    uint32_t permutationEncoding = 0;
+//    switch ( registerCount ) {
+//        case 6:
+//            permutationEncoding |= (120*renumregs[0] + 24*renumregs[1]
+//                                    + 6*renumregs[2] + 2*renumregs[3]
+//                                      + renumregs[4]);
+//            break;
+//        case 5:
+//            permutationEncoding |= (120*renumregs[1] + 24*renumregs[2]
+//                                    + 6*renumregs[3] + 2*renumregs[4]
+//                                      + renumregs[5]);
+//            break;
+//        case 4:
+//            permutationEncoding |= (60*renumregs[2] + 12*renumregs[3]
+//                                   + 3*renumregs[4] + renumregs[5]);
+//            break;
+//        case 3:
+//            permutationEncoding |= (20*renumregs[3] + 4*renumregs[4]
+//                                     + renumregs[5]);
+//            break;
+//        case 2:
+//            permutationEncoding |= (5*renumregs[4] + renumregs[5]);
+//            break;
+//        case 1:
+//            permutationEncoding |= (renumregs[5]);
+//            break;
+//    }
+//    return permutationEncoding;
+//}
+//
+
+
+
+
+//
+// x86_64
+//
+// 1-bit: start
+// 1-bit: has lsda
+// 2-bit: personality index
+//
+// 4-bits: 0=old, 1=rbp based, 2=stack-imm, 3=stack-ind, 4=DWARF
+//  rbp based:
+//        15-bits (5*3-bits per reg) register permutation
+//        8-bits for stack offset
+//  frameless:
+//        8-bits stack size
+//        3-bits stack adjust
+//        3-bits register count
+//        10-bits register permutation
+//
+enum {
+    UNWIND_X86_64_MODE_MASK                         = 0x0F000000,
+    UNWIND_X86_64_MODE_RBP_FRAME                    = 0x01000000,
+    UNWIND_X86_64_MODE_STACK_IMMD                   = 0x02000000,
+    UNWIND_X86_64_MODE_STACK_IND                    = 0x03000000,
+    UNWIND_X86_64_MODE_DWARF                        = 0x04000000,
+
+    UNWIND_X86_64_RBP_FRAME_REGISTERS               = 0x00007FFF,
+    UNWIND_X86_64_RBP_FRAME_OFFSET                  = 0x00FF0000,
+
+    UNWIND_X86_64_FRAMELESS_STACK_SIZE              = 0x00FF0000,
+    UNWIND_X86_64_FRAMELESS_STACK_ADJUST            = 0x0000E000,
+    UNWIND_X86_64_FRAMELESS_STACK_REG_COUNT         = 0x00001C00,
+    UNWIND_X86_64_FRAMELESS_STACK_REG_PERMUTATION   = 0x000003FF,
+
+    UNWIND_X86_64_DWARF_SECTION_OFFSET              = 0x00FFFFFF,
+};
+
+enum {
+    UNWIND_X86_64_REG_NONE       = 0,
+    UNWIND_X86_64_REG_RBX        = 1,
+    UNWIND_X86_64_REG_R12        = 2,
+    UNWIND_X86_64_REG_R13        = 3,
+    UNWIND_X86_64_REG_R14        = 4,
+    UNWIND_X86_64_REG_R15        = 5,
+    UNWIND_X86_64_REG_RBP        = 6,
+};
+//
+// For x86_64 there are four modes for the compact unwind encoding:
+// UNWIND_X86_64_MODE_RBP_FRAME:
+//    RBP based frame where RBP is push on stack immediately after return address,
+//    then RSP is moved to RBP. Thus, to unwind RSP is restored with the current 
+//    EPB value, then RBP is restored by popping off the stack, and the return 
+//    is done by popping the stack once more into the pc.
+//    All non-volatile registers that need to be restored must have been saved
+//    in a small range in the stack that starts RBP-8 to RBP-2040.  The offset/8 
+//    is encoded in the UNWIND_X86_64_RBP_FRAME_OFFSET bits.  The registers saved
+//    are encoded in the UNWIND_X86_64_RBP_FRAME_REGISTERS bits as five 3-bit entries.
+//    Each entry contains which register to restore.  
+// UNWIND_X86_64_MODE_STACK_IMMD:
+//    A "frameless" (RBP not used as frame pointer) function with a small 
+//    constant stack size.  To return, a constant (encoded in the compact 
+//    unwind encoding) is added to the RSP. Then the return is done by 
+//    popping the stack into the pc.
+//    All non-volatile registers that need to be restored must have been saved
+//    on the stack immediately after the return address.  The stack_size/8 is
+//    encoded in the UNWIND_X86_64_FRAMELESS_STACK_SIZE (max stack size is 2048).
+//    The number of registers saved is encoded in UNWIND_X86_64_FRAMELESS_STACK_REG_COUNT.
+//    UNWIND_X86_64_FRAMELESS_STACK_REG_PERMUTATION contains which registers were
+//    saved and their order.  
+// UNWIND_X86_64_MODE_STACK_IND:
+//    A "frameless" (RBP not used as frame pointer) function large constant 
+//    stack size.  This case is like the previous, except the stack size is too
+//    large to encode in the compact unwind encoding.  Instead it requires that 
+//    the function contains "subq $nnnnnnnn,RSP" in its prolog.  The compact 
+//    encoding contains the offset to the nnnnnnnn value in the function in
+//    UNWIND_X86_64_FRAMELESS_STACK_SIZE.  
+// UNWIND_X86_64_MODE_DWARF:
+//    No compact unwind encoding is available.  Instead the low 24-bits of the
+//    compact encoding is the offset of the DWARF FDE in the __eh_frame section.
+//    This mode is never used in object files.  It is only generated by the 
+//    linker in final linked images which have only DWARF unwind info for a
+//    function.
+//
+
+
+// ARM64
+//
+// 1-bit: start
+// 1-bit: has lsda
+// 2-bit: personality index
+//
+// 4-bits: 4=frame-based, 3=DWARF, 2=frameless
+//  frameless:
+//        12-bits of stack size
+//  frame-based:
+//        4-bits D reg pairs saved
+//        5-bits X reg pairs saved
+//  DWARF:
+//        24-bits offset of DWARF FDE in __eh_frame section
+//
+enum {
+    UNWIND_ARM64_MODE_MASK                     = 0x0F000000,
+    UNWIND_ARM64_MODE_FRAMELESS                = 0x02000000,
+    UNWIND_ARM64_MODE_DWARF                    = 0x03000000,
+    UNWIND_ARM64_MODE_FRAME                    = 0x04000000,
+
+    UNWIND_ARM64_FRAME_X19_X20_PAIR            = 0x00000001,
+    UNWIND_ARM64_FRAME_X21_X22_PAIR            = 0x00000002,
+    UNWIND_ARM64_FRAME_X23_X24_PAIR            = 0x00000004,
+    UNWIND_ARM64_FRAME_X25_X26_PAIR            = 0x00000008,
+    UNWIND_ARM64_FRAME_X27_X28_PAIR            = 0x00000010,
+    UNWIND_ARM64_FRAME_D8_D9_PAIR              = 0x00000100,
+    UNWIND_ARM64_FRAME_D10_D11_PAIR            = 0x00000200,
+    UNWIND_ARM64_FRAME_D12_D13_PAIR            = 0x00000400,
+    UNWIND_ARM64_FRAME_D14_D15_PAIR            = 0x00000800,
+
+    UNWIND_ARM64_FRAMELESS_STACK_SIZE_MASK     = 0x00FFF000,
+    UNWIND_ARM64_DWARF_SECTION_OFFSET          = 0x00FFFFFF,
+};
+// For arm64 there are three modes for the compact unwind encoding:
+// UNWIND_ARM64_MODE_FRAME:
+//    This is a standard arm64 prolog where FP/LR are immediately pushed on the
+//    stack, then SP is copied to FP. If there are any non-volatile registers
+//    saved, then are copied into the stack frame in pairs in a contiguous
+//    range right below the saved FP/LR pair.  Any subset of the five X pairs 
+//    and four D pairs can be saved, but the memory layout must be in register
+//    number order.  
+// UNWIND_ARM64_MODE_FRAMELESS:
+//    A "frameless" leaf function, where FP/LR are not saved. The return address 
+//    remains in LR throughout the function. If any non-volatile registers
+//    are saved, they must be pushed onto the stack before any stack space is
+//    allocated for local variables.  The stack sized (including any saved
+//    non-volatile registers) divided by 16 is encoded in the bits 
+//    UNWIND_ARM64_FRAMELESS_STACK_SIZE_MASK.
+// UNWIND_ARM64_MODE_DWARF:
+//    No compact unwind encoding is available.  Instead the low 24-bits of the
+//    compact encoding is the offset of the DWARF FDE in the __eh_frame section.
+//    This mode is never used in object files.  It is only generated by the 
+//    linker in final linked images which have only DWARF unwind info for a
+//    function.
+//
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Relocatable Object Files: __LD,__compact_unwind
+//
+////////////////////////////////////////////////////////////////////////////////
+
+//
+// A compiler can generated compact unwind information for a function by adding
+// a "row" to the __LD,__compact_unwind section.  This section has the 
+// S_ATTR_DEBUG bit set, so the section will be ignored by older linkers. 
+// It is removed by the new linker, so never ends up in final executables. 
+// This section is a table, initially with one row per function (that needs 
+// unwind info).  The table columns and some conceptual entries are:
+//
+//     range-start               pointer to start of function/range
+//     range-length              
+//     compact-unwind-encoding   32-bit encoding  
+//     personality-function      or zero if no personality function
+//     lsda                      or zero if no LSDA data
+//
+// The length and encoding fields are 32-bits.  The other are all pointer sized. 
+//
+// In x86_64 assembly, these entry would look like:
+//
+//     .section __LD,__compact_unwind,regular,debug
+//
+//     #compact unwind for _foo
+//     .quad    _foo
+//     .set     L1,LfooEnd-_foo
+//     .long    L1
+//     .long    0x01010001
+//     .quad    0
+//     .quad    0
+//
+//     #compact unwind for _bar
+//     .quad    _bar
+//     .set     L2,LbarEnd-_bar
+//     .long    L2
+//     .long    0x01020011
+//     .quad    __gxx_personality
+//     .quad    except_tab1
+//
+//
+// Notes: There is no need for any labels in the the __compact_unwind section.  
+//        The use of the .set directive is to force the evaluation of the 
+//        range-length at assembly time, instead of generating relocations.
+//
+// To support future compiler optimizations where which non-volatile registers 
+// are saved changes within a function (e.g. delay saving non-volatiles until
+// necessary), there can by multiple lines in the __compact_unwind table for one
+// function, each with a different (non-overlapping) range and each with 
+// different compact unwind encodings that correspond to the non-volatiles 
+// saved at that range of the function.
+//
+// If a particular function is so wacky that there is no compact unwind way
+// to encode it, then the compiler can emit traditional DWARF unwind info.  
+// The runtime will use which ever is available.
+//
+// Runtime support for compact unwind encodings are only available on 10.6 
+// and later.  So, the compiler should not generate it when targeting pre-10.6. 
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Final Linked Images: __TEXT,__unwind_info
+//
+////////////////////////////////////////////////////////////////////////////////
+
+//
+// The __TEXT,__unwind_info section is laid out for an efficient two level lookup.
+// The header of the section contains a coarse index that maps function address
+// to the page (4096 byte block) containing the unwind info for that function.  
+//
+
+#define UNWIND_SECTION_VERSION 1
+struct unwind_info_section_header
+{
+    uint32_t    version;            // UNWIND_SECTION_VERSION
+    uint32_t    commonEncodingsArraySectionOffset;
+    uint32_t    commonEncodingsArrayCount;
+    uint32_t    personalityArraySectionOffset;
+    uint32_t    personalityArrayCount;
+    uint32_t    indexSectionOffset;
+    uint32_t    indexCount;
+    // compact_unwind_encoding_t[]
+    // uint32_t personalities[]
+    // unwind_info_section_header_index_entry[]
+    // unwind_info_section_header_lsda_index_entry[]
+};
+
+struct unwind_info_section_header_index_entry
+{
+    uint32_t        functionOffset;
+    uint32_t        secondLevelPagesSectionOffset;  // section offset to start of regular or compress page
+    uint32_t        lsdaIndexArraySectionOffset;    // section offset to start of lsda_index array for this range
+};
+
+struct unwind_info_section_header_lsda_index_entry
+{
+    uint32_t        functionOffset;
+    uint32_t        lsdaOffset;
+};
+
+//
+// There are two kinds of second level index pages: regular and compressed.
+// A compressed page can hold up to 1021 entries, but it cannot be used
+// if too many different encoding types are used.  The regular page holds
+// 511 entries.
+//
+
+struct unwind_info_regular_second_level_entry
+{
+    uint32_t                    functionOffset;
+    compact_unwind_encoding_t    encoding;
+};
+
+#define UNWIND_SECOND_LEVEL_REGULAR 2
+struct unwind_info_regular_second_level_page_header
+{
+    uint32_t    kind;    // UNWIND_SECOND_LEVEL_REGULAR
+    uint16_t    entryPageOffset;
+    uint16_t    entryCount;
+    // entry array
+};
+
+#define UNWIND_SECOND_LEVEL_COMPRESSED 3
+struct unwind_info_compressed_second_level_page_header
+{
+    uint32_t    kind;    // UNWIND_SECOND_LEVEL_COMPRESSED
+    uint16_t    entryPageOffset;
+    uint16_t    entryCount;
+    uint16_t    encodingsPageOffset;
+    uint16_t    encodingsCount;
+    // 32-bit entry array
+    // encodings array
+};
+
+#define UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET(entry)            (entry & 0x00FFFFFF)
+#define UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX(entry)        ((entry >> 24) & 0xFF)
+
+
+
+#endif
+

default-to-i586.patch

@@ -0,0 +1,15 @@
+Index: cfe-6.0.0rc1.src/lib/Driver/ToolChains/Arch/X86.cpp
+===================================================================
+--- cfe-6.0.0rc1.src.orig/lib/Driver/ToolChains/Arch/X86.cpp
++++ cfe-6.0.0rc1.src/lib/Driver/ToolChains/Arch/X86.cpp
+@@ -102,8 +102,8 @@ const char *x86::getX86TargetCPU(const A
+   case llvm::Triple::FreeBSD:
+     return "i686";
+   default:
+-    // Fallback to p4.
+-    return "pentium4";
++    // Fallback to i586.
++    return "i586";
+   }
+ }
+ 

libcxx-test-library-path.patch

@@ -0,0 +1,17 @@
+diff --git a/libcxx/test/configs/llvm-libc++-shared.cfg.in b/libcxx/test/configs/llvm-libc++-shared.cfg.in
+index 7228c7e8d467..9835a012c1de 100644
+--- a/libcxx/test/configs/llvm-libc++-shared.cfg.in
++++ b/libcxx/test/configs/llvm-libc++-shared.cfg.in
+@@ -10,10 +10,10 @@ config.substitutions.append(('%{compile_flags}',
+     '-nostdinc++ -I %{include} -I %{target-include} -I %{libcxx}/test/support'
+ ))
+ config.substitutions.append(('%{link_flags}',
+-    '-nostdlib++ -L %{lib} -Wl,-rpath,%{lib} -lc++ -pthread'
++    '-nostdlib++ -L %{lib} -lc++ -pthread'
+ ))
+ config.substitutions.append(('%{exec}',
+-    '%{executor} --execdir %T -- '
++    '%{executor} --execdir %T --env LD_LIBRARY_PATH=%{lib} -- '
+ ))
+ 
+ import os, site

link-clang-shared.patch

@@ -0,0 +1,58 @@
+diff --git a/clang/tools/c-index-test/CMakeLists.txt b/clang/tools/c-index-test/CMakeLists.txt
+index ceef4b08637..606149ad74f 100644
+--- a/clang/tools/c-index-test/CMakeLists.txt
++++ b/clang/tools/c-index-test/CMakeLists.txt
+@@ -18,6 +18,9 @@ if (LLVM_BUILD_STATIC)
+   target_link_libraries(c-index-test
+     PRIVATE
+     libclang_static
++  )
++  clang_target_link_libraries(c-index-test
++    PRIVATE
+     clangCodeGen
+     clangIndex
+   )
+@@ -25,6 +28,9 @@ else()
+   target_link_libraries(c-index-test
+     PRIVATE
+     libclang
++  )
++  clang_target_link_libraries(c-index-test
++    PRIVATE
+     clangAST
+     clangBasic
+     clangCodeGen
+diff --git a/clang/tools/libclang/CMakeLists.txt b/clang/tools/libclang/CMakeLists.txt
+index 4f23065..343f977 100644
+--- a/clang/tools/libclang/CMakeLists.txt
++++ b/clang/tools/libclang/CMakeLists.txt
+@@ -57,7 +57,7 @@ set(SOURCES
+   ../../include/clang-c/Index.h
+   )
+ 
+-set(LIBS
++set(CLANG_LIB_DEPS
+   clangAST
+   clangBasic
+   clangDriver
+@@ -72,7 +72,7 @@ set(LIBS
+ )
+ 
+ if (CLANG_ENABLE_ARCMT)
+-  list(APPEND LIBS clangARCMigrate)
++  list(APPEND CLANG_LIB_DEPS clangARCMigrate)
+ endif ()
+ 
+ if (HAVE_LIBDL)
+@@ -152,6 +152,11 @@ add_clang_library(libclang ${ENABLE_SHARED} ${ENABLE_STATIC} INSTALL_WITH_TOOLCH
+   TargetParser
+   )
+ 
++clang_target_link_libraries(libclang
++  PRIVATE
++  ${CLANG_LIB_DEPS}
++  )
++
+ if(ENABLE_STATIC)
+   foreach(name libclang obj.libclang libclang_static)
+     if (TARGET ${name})

link-clang-tools-extra-shared.patch

@@ -0,0 +1,58 @@
+diff --git a/clang-tools-extra/clang-include-fixer/plugin/CMakeLists.txt b/clang-tools-extra/clang-include-fixer/plugin/CMakeLists.txt
+index 6d0328ed831..d531e44743a 100644
+--- a/clang-tools-extra/clang-include-fixer/plugin/CMakeLists.txt
++++ b/clang-tools-extra/clang-include-fixer/plugin/CMakeLists.txt
+@@ -2,15 +2,18 @@ add_clang_library(clangIncludeFixerPlugin
+   IncludeFixerPlugin.cpp
+ 
+   LINK_LIBS
++  clangIncludeFixer
++  ${LLVM_PTHREAD_LIB}
++
++  DEPENDS
++  omp_gen
++  )
++clang_target_link_libraries(clangIncludeFixerPlugin
++  PRIVATE
+   clangAST
+   clangBasic
+   clangFrontend
+-  clangIncludeFixer
+   clangParse
+   clangSema
+   clangTooling
+-  ${LLVM_PTHREAD_LIB}
+-
+-  DEPENDS
+-  omp_gen
+   )
+diff --git a/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt b/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt
+index 8f708cacfdf..b08e9cee954 100644
+--- a/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt
++++ b/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt
+@@ -31,17 +31,20 @@ add_clang_library(clangDaemonTweaks OBJECT
+   SwapIfBranches.cpp
+ 
+   LINK_LIBS
+-  clangAST
+-  clangBasic
+   clangDaemon
+   clangdSupport
++
++  DEPENDS
++  omp_gen
++  )
++
++clang_target_link_libraries(clangDaemonTweaks INTERFACE
++  clangAST
++  clangBasic
+   clangFormat
+   clangLex
+   clangSema
+   clangToolingCore
+   clangToolingRefactoring
+   clangToolingSyntax
+-
+-  DEPENDS
+-  omp_gen
+   )

lld-default-sha1.patch

@@ -0,0 +1,13 @@
+Index: lld-15.0.0rc2.src/ELF/Options.td
+===================================================================
+--- lld-15.0.0rc2.src.orig/ELF/Options.td
++++ lld-15.0.0rc2.src/ELF/Options.td
+@@ -52,7 +52,7 @@ def Bstatic: F<"Bstatic">, HelpText<"Do
+ 
+ def build_id: J<"build-id=">, HelpText<"Generate build ID note">,
+   MetaVarName<"[fast,md5,sha1,uuid,0x<hexstring>]">;
+-def : F<"build-id">, Alias<build_id>, AliasArgs<["fast"]>, HelpText<"Alias for --build-id=fast">;
++def : F<"build-id">, Alias<build_id>, AliasArgs<["sha1"]>, HelpText<"Alias for --build-id=sha1">;
+ 
+ defm check_sections: B<"check-sections",
+     "Check section addresses for overlaps (default)",

lldb-cmake.patch

@@ -0,0 +1,13 @@
+Index: lldb-10.0.0rc1.src/source/Host/CMakeLists.txt
+===================================================================
+--- lldb-10.0.0rc1.src.orig/source/Host/CMakeLists.txt
++++ lldb-10.0.0rc1.src/source/Host/CMakeLists.txt
+@@ -143,6 +143,8 @@ endif()
+ set(EXTRA_LIBS)
+ if (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
+   list(APPEND EXTRA_LIBS kvm)
++elseif (CMAKE_SYSTEM_NAME MATCHES "Linux")
++  list(APPEND EXTRA_LIBS dl pthread)
+ endif()
+ if (LLDB_ENABLE_LIBXML2)
+   list(APPEND EXTRA_LIBS LibXml2::LibXml2)

llvm-do-not-install-static-libraries.patch

@@ -0,0 +1,134 @@
+This has similar effect as simply deleting the static libraries which we don't
+want after installation. By not copying them in the first place we reduce the
+disk usage during installation.
+
+Index: clang-16.0.6.src/cmake/modules/AddClang.cmake
+===================================================================
+--- a/clang-16.0.6.src/cmake/modules/AddClang.cmake
++++ b/clang-16.0.6.src/cmake/modules/AddClang.cmake
+@@ -106,12 +106,15 @@ macro(add_clang_library name)
+ 
+       if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN)
+         get_target_export_arg(${name} Clang export_to_clangtargets UMBRELLA clang-libraries)
+-        install(TARGETS ${lib}
+-          COMPONENT ${lib}
+-          ${export_to_clangtargets}
+-          LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+-          ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+-          RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
++        if (ARG_SHARED OR ARG_MODULE)
++          install(TARGETS ${lib}
++            COMPONENT ${lib}
++            ${export_to_clangtargets}
++            LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
++            ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
++            RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
++          set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${lib})
++        endif()
+ 
+         if (NOT LLVM_ENABLE_IDE)
+           add_llvm_install_targets(install-${lib}
+@@ -121,7 +124,6 @@ macro(add_clang_library name)
+ 
+         set_property(GLOBAL APPEND PROPERTY CLANG_LIBS ${lib})
+       endif()
+-      set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${lib})
+     else()
+       # Add empty "phony" target
+       add_custom_target(${lib})
+Index: cmake/modules/AddLLVM.cmake
+===================================================================
+--- a/cmake/modules/AddLLVM.cmake
++++ b/cmake/modules/AddLLVM.cmake
+@@ -730,11 +730,14 @@ macro(add_llvm_library name)
+       endif()
+ 
+       get_target_export_arg(${name} LLVM export_to_llvmexports ${umbrella})
+-      install(TARGETS ${name}
+-              ${export_to_llvmexports}
+-              LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
+-              ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
+-              RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT ${name})
++      if(ARG_SHARED OR ARG_MODULE OR NOT LLVM_BUILD_LLVM_DYLIB)
++        install(TARGETS ${name}
++                ${export_to_llvmexports}
++                LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
++                ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
++                RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT ${name})
++        set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
++      endif()
+ 
+       if (NOT LLVM_ENABLE_IDE)
+         add_llvm_install_targets(install-${name}
+@@ -742,7 +745,6 @@ macro(add_llvm_library name)
+                                  COMPONENT ${name})
+       endif()
+     endif()
+-    set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
+   endif()
+   if (ARG_MODULE)
+     set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
+Index: lld-16.0.6.src/cmake/modules/AddLLD.cmake
+===================================================================
+--- a/lld-16.0.6.src/cmake/modules/AddLLD.cmake
++++ b/lld-16.0.6.src/cmake/modules/AddLLD.cmake
+@@ -17,13 +17,6 @@ macro(add_lld_library name)
+ 
+   if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+     get_target_export_arg(${name} LLD export_to_lldtargets)
+-    install(TARGETS ${name}
+-      COMPONENT ${name}
+-      ${export_to_lldtargets}
+-      LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+-      ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+-      RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
+-
+     if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
+       add_llvm_install_targets(install-${name}
+         DEPENDS ${name}
+Index: polly-16.0.6.src/cmake/polly_macros.cmake
+===================================================================
+--- a/polly-16.0.6.src/cmake/polly_macros.cmake
++++ b/polly-16.0.6.src/cmake/polly_macros.cmake
+@@ -42,12 +42,14 @@ macro(add_polly_library name)
+     llvm_config(${name} ${LLVM_LINK_COMPONENTS})
+   endif( LLVM_LINK_COMPONENTS )
+   if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LLVMPolly")
+-    install(TARGETS ${name}
+-      EXPORT LLVMExports
+-      LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+-      ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
++    if (MODULE OR SHARED_LIBRARY OR NOT LLVM_BUILD_LLVM_DYLIB)
++      install(TARGETS ${name}
++        EXPORT LLVMExports
++        LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
++        ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
++      set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
++    endif()
+   endif()
+-  set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
+ endmacro(add_polly_library)
+ 
+ macro(add_polly_loadable_module name)
+Index: polly-16.0.6.src/lib/CMakeLists.txt
+===================================================================
+--- a/polly-16.0.6.src/lib/CMakeLists.txt
++++ b/polly-16.0.6.src/lib/CMakeLists.txt
+@@ -74,7 +74,7 @@ set_target_properties(PollyCore PROPERTI
+ # It depends on all library it needs, such that with
+ # LLVM_POLLY_LINK_INTO_TOOLS=ON, its dependencies like PollyISL are linked as
+ # well.
+-target_link_libraries(Polly PUBLIC
++target_link_libraries(Polly PRIVATE
+   ${ISL_TARGET}
+ )
+ 
+@@ -143,7 +143,7 @@ else ()
+   # hosts. This is not the case for bugpoint. Use LLVM_POLLY_LINK_INTO_TOOLS=ON
+   # instead which will automatically resolve the additional dependencies by
+   # Polly.
+-  target_link_libraries(LLVMPolly PUBLIC ${ISL_TARGET})
++  target_link_libraries(LLVMPolly PRIVATE ${ISL_TARGET})
+   if (GPU_CODEGEN)
+     target_link_libraries(LLVMPolly PUBLIC PollyPPCG)
+   endif ()

llvm-fix-find-gcc5-install.patch

@@ -0,0 +1,14 @@
+Index: cfe-7.0.0rc1.src/lib/Driver/ToolChains/Gnu.cpp
+===================================================================
+--- cfe-7.0.0rc1.src.orig/lib/Driver/ToolChains/Gnu.cpp
++++ cfe-7.0.0rc1.src/lib/Driver/ToolChains/Gnu.cpp
+@@ -1596,7 +1596,8 @@ Generic_GCC::GCCVersion Generic_GCC::GCC
+       MinorStr = MinorStr.slice(0, EndNumber);
+     }
+   }
+-  if (MinorStr.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0)
++  if (!MinorStr.str().empty() && 
++      (MinorStr.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0))
+     return BadVersion;
+   GoodVersion.MinorStr = MinorStr.str();
+ 

llvm-normally-versioned-libllvm.patch

@@ -0,0 +1,78 @@
+Before llvm4, both major and minor version updates of llvm were regularly
+breaking API. Because of that, the libLLVM library was named in following
+format: libLLVM-${major}-${minor}.so
+
+  (https://bugs.llvm.org/show_bug.cgi?id=25059)
+  (https://reviews.llvm.org/D13841)
+
+The package containing this library was called libLLVM${major}_${minor} which
+follows our guidelines.
+
+Since llvm4, llvm decided to follow semantic versioning and only break API if
+the major version was increased. In addition they do not intend to ever have
+minor version other than 0.
+  (http://blog.llvm.org/2016/12/llvms-new-versioning-scheme.html)
+
+The package was renamed to libLLVM${major}, which no longer follows the naming
+guidelines, but since the package contained multiple libraries, it was not
+detected.
+
+Since bnc#1049703 the libLLVM${major} package contains only the
+libLLVM-${major}-${minor}.so library and no others. This triggers the
+shlib-policy-name-error check in our packaging system.
+
+Because the reasons for using the libLLVM-${major}-${minor}.so format are no
+longer valid, lets revert back to libLLVM.so.${major}.${minor}.${version}
+format. That way the package name matches our guidelines.
+
+Index: llvm-8.0.0rc3.src/tools/llvm-config/llvm-config.cpp
+===================================================================
+--- llvm-8.0.0rc3.src.orig/tools/llvm-config/llvm-config.cpp
++++ llvm-8.0.0rc3.src/tools/llvm-config/llvm-config.cpp
+@@ -380,7 +380,6 @@ int main(int argc, char **argv) {
+   } else {
+     // default to the unix values:
+     SharedExt = "so";
+-    SharedVersionedExt = LLVM_DYLIB_VERSION ".so";
+     StaticExt = "a";
+     StaticDir = SharedDir = ActiveLibDir;
+     StaticPrefix = SharedPrefix = "lib";
+@@ -393,7 +392,7 @@ int main(int argc, char **argv) {
+ 
+   bool DyLibExists = false;
+   const std::string DyLibName =
+-      (SharedPrefix + "LLVM-" + SharedVersionedExt).str();
++      (SharedPrefix + "LLVM." + SharedExt).str();
+ 
+   // If LLVM_LINK_DYLIB is ON, the single shared library will be returned
+   // for "--libs", etc, if they exist. This behaviour can be overridden with
+Index: llvm-8.0.0rc3.src/tools/llvm-shlib/CMakeLists.txt
+===================================================================
+--- llvm-8.0.0rc3.src.orig/tools/llvm-shlib/CMakeLists.txt
++++ llvm-8.0.0rc3.src/tools/llvm-shlib/CMakeLists.txt
+@@ -42,7 +42,7 @@ if(LLVM_BUILD_LLVM_DYLIB)
+   if (LLVM_LINK_LLVM_DYLIB)
+     set(INSTALL_WITH_TOOLCHAIN INSTALL_WITH_TOOLCHAIN)
+   endif()
+-  add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
++  add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
+ 
+   list(REMOVE_DUPLICATES LIB_NAMES)
+   if(("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") OR (MINGW) OR (HAIKU)
+Index: llvm-14.0.0rc2.src/test/lit.cfg.py
+===================================================================
+--- llvm-14.0.0rc2.src.orig/test/lit.cfg.py
++++ llvm-14.0.0rc2.src/test/lit.cfg.py
+@@ -244,9 +244,9 @@ if config.link_llvm_dylib:
+     config.available_features.add('llvm-dylib')
+     config.substitutions.append(
+         ('%llvmdylib',
+-         '{}/libLLVM-{}{}'.format(config.llvm_shlib_dir,
+-                                  config.llvm_dylib_version,
+-                                  config.llvm_shlib_ext)))
++         '{}/libLLVM{}.{}'.format(config.llvm_shlib_dir,
++                                  config.llvm_shlib_ext,
++                                  config.llvm_dylib_version)))
+ 
+ if config.have_tf_aot:
+     config.available_features.add("have_tf_aot")

llvm-projects-tools-order.patch

@@ -0,0 +1,19 @@
+diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
+index 04d4cf2..b698c27 100644
+--- a/llvm/CMakeLists.txt
++++ b/llvm/CMakeLists.txt
+@@ -1188,12 +1188,12 @@ foreach( binding ${LLVM_BINDINGS_LIST} )
+   endif()
+ endforeach()
+ 
+-add_subdirectory(projects)
+-
+ if( LLVM_INCLUDE_TOOLS )
+   add_subdirectory(tools)
+ endif()
+ 
++add_subdirectory(projects)
++
+ if( LLVM_INCLUDE_RUNTIMES )
+   add_subdirectory(runtimes)
+ endif()

llvm-remove-clang-only-flags.patch

@@ -0,0 +1,21 @@
+Index: llvm-16.0.5.src/cmake/modules/HandleLLVMOptions.cmake
+===================================================================
+--- llvm-16.0.5.src.orig/cmake/modules/HandleLLVMOptions.cmake
++++ llvm-16.0.5.src/cmake/modules/HandleLLVMOptions.cmake
+@@ -578,8 +578,6 @@ if( MSVC )
+ 
+ # Specific default warnings-as-errors for compilers accepting GCC-compatible warning flags:
+ if ( LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL" )
+-  add_flag_if_supported("-Werror=date-time" WERROR_DATE_TIME)
+-  add_flag_if_supported("-Werror=unguarded-availability-new" WERROR_UNGUARDED_AVAILABILITY_NEW)
+ endif( LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL" )
+ 
+ # Modules enablement for GCC-compatible compilers:
+@@ -731,7 +729,6 @@ if (LLVM_ENABLE_WARNINGS AND (LLVM_COMPI
+   endif()
+ 
+   add_flag_if_supported("-Wimplicit-fallthrough" IMPLICIT_FALLTHROUGH_FLAG)
+-  add_flag_if_supported("-Wcovered-switch-default" COVERED_SWITCH_DEFAULT_FLAG)
+   append_if(USE_NO_UNINITIALIZED "-Wno-uninitialized" CMAKE_CXX_FLAGS)
+   append_if(USE_NO_MAYBE_UNINITIALIZED "-Wno-maybe-uninitialized" CMAKE_CXX_FLAGS)
+ 

llvm-suse-implicit-gnu.patch

@@ -0,0 +1,14 @@
+diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
+index 59513fa..4de99ae 100644
+--- a/llvm/include/llvm/TargetParser/Triple.h
++++ b/llvm/include/llvm/TargetParser/Triple.h
+@@ -567,7 +567,8 @@ public:
+            Env == Triple::GNUABI64 || Env == Triple::GNUEABI ||
+            Env == Triple::GNUEABIHF || Env == Triple::GNUF32 ||
+            Env == Triple::GNUF64 || Env == Triple::GNUSF ||
+-           Env == Triple::GNUX32;
++           Env == Triple::GNUX32 ||
++           (Env == Triple::UnknownEnvironment && getVendor() == Triple::SUSE);
+   }
+ 
+   bool isOSContiki() const {

llvm-workaround-superfluous-branches.patch

@@ -0,0 +1,14 @@
+diff --git a/llvm/include/llvm/Support/Casting.h b/llvm/include/llvm/Support/Casting.h
+index 4ff5865..19623f6 100644
+--- a/llvm/include/llvm/Support/Casting.h
++++ b/llvm/include/llvm/Support/Casting.h
+@@ -661,6 +661,9 @@ template <typename To, typename From>
+ template <typename To, typename From>
+ [[nodiscard]] inline decltype(auto) dyn_cast(From *Val) {
+   assert(detail::isPresent(Val) && "dyn_cast on a non-existent value");
++#if defined(__clang__) && defined(NDEBUG)
++  __builtin_assume(Val);
++#endif
+   return CastInfo<To, From *>::doCastIfPossible(Val);
+ }
+ 

llvm16-rpmlintrc

@@ -0,0 +1,19 @@
+# This line is mandatory to access the configuration functions
+from Config import *
+
+addFilter("devel-file-in-non-devel-package .*/clang/.*/include/.*")
+addFilter("devel-file-in-non-devel-package .*/clang/.*/lib/.*")
+addFilter("devel-file-in-non-devel-package .*/usr/include/.*")
+
+addFilter("devel-file-in-non-devel-package .*/lib.*/*.a")
+addFilter("devel-file-in-non-devel-package .*/lib.*/*.so")
+
+# We're deliberately conflicting with SLE. (https://code.opensuse.org/leap/features/issue/55)
+addFilter("SUSE_Backports_policy-SLE_conflict")
+
+# Archive seems to be deliberately empty on some architectures.
+addFilter("lto-no-text-in-archive .*/lib.*/clang/.*/lib/linux/libclang_rt.asan_static-.*.a")
+
+# Different versions of LLVM can produce the same SONAME, so we'll have to use
+# non-standard names sometimes. (Leap's rpmlint complains, Tumbleweed's doesn't.)
+addFilter("shlib-policy-name-error")

llvm16.keyring

@@ -0,0 +1,203 @@
+# Tobias Hieta <tobias@hieta.se>
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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+=Lvw+
+-----END PGP PUBLIC KEY BLOCK-----
+
+# Tom Stellard <tstellar@redhat.com>
+-----BEGIN PGP PUBLIC KEY BLOCK-----
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+-----END PGP PUBLIC KEY BLOCK-----
+
+# Hans Wennborg <hans@chromium.org>
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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+6U4RlBcEgKU=
+=43Mw
+-----END PGP PUBLIC KEY BLOCK-----
+
+# Muhammad Omair Javaid (LLVM Release Signing Key) <omair.javaid@linaro.org>
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mDMEZw7PSRYJKwYBBAHaRw8BAQdABNbFOdYdCukaIGdkMQpHrSeDIZt/7bUSVwYD
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+=s2el
+-----END PGP PUBLIC KEY BLOCK-----
+

llvm_build_tablegen_component_as_shared_library.patch

@@ -0,0 +1,71 @@
+The LLVMTableGen component is a special case that is excluded from libLLVM and
+normally is only built as static library and linked into llvm-tblgen.
+
+We need to have it as a shared library to be available for other projects such
+as ldc.
+
+This patch makes it even more special and forces it to be build and installed
+as separate shared library.
+
+Index: llvm-8.0.0rc3.src/cmake/modules/AddLLVM.cmake
+===================================================================
+--- llvm-8.0.0rc3.src.orig/cmake/modules/AddLLVM.cmake
++++ llvm-8.0.0rc3.src/cmake/modules/AddLLVM.cmake
+@@ -541,7 +541,7 @@ function(llvm_add_library name)
+   if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN))
+     # On DLL platforms symbols are imported from the tool by linking against it.
+     set(llvm_libs ${ARG_PLUGIN_TOOL})
+-  elseif (NOT ARG_COMPONENT_LIB)
++  elseif (NOT ARG_COMPONENT_LIB OR (${name} STREQUAL "LLVMTableGen" AND LLVM_BUILD_LLVM_DYLIB))
+     if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
+       set(llvm_libs LLVM)
+     else()
+Index: llvm-16.0.0rc1.src/cmake/modules/TableGen.cmake
+===================================================================
+--- llvm-16.0.0rc1.src.orig/cmake/modules/TableGen.cmake
++++ llvm-16.0.0rc1.src/cmake/modules/TableGen.cmake
+@@ -143,8 +143,8 @@ macro(add_tablegen target project)
+     set(LLVM_ENABLE_OBJLIB ON)
+   endif()
+ 
+-  add_llvm_executable(${target} DISABLE_LLVM_LINK_LLVM_DYLIB
+-    ${ADD_TABLEGEN_UNPARSED_ARGUMENTS})
++  add_llvm_executable(${target} ${ADD_TABLEGEN_UNPARSED_ARGUMENTS})
++  target_link_libraries(${target} PRIVATE LLVMTableGen)
+   set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
+ 
+   set(${project}_TABLEGEN_DEFAULT "${target}")
+Index: llvm-8.0.0rc3.src/lib/TableGen/CMakeLists.txt
+===================================================================
+--- llvm-8.0.0rc3.src.orig/lib/TableGen/CMakeLists.txt
++++ llvm-8.0.0rc3.src/lib/TableGen/CMakeLists.txt
+@@ -1,3 +1,7 @@
++if (LLVM_BUILD_LLVM_DYLIB)
++    set(MAYBE_SHARED SHARED)
++endif()
++
+ add_llvm_component_library(LLVMTableGen
+   DetailedRecordsBackend.cpp
+   Error.cpp
+@@ -9,6 +13,8 @@ add_llvm_library(LLVMTableGen
+   TGLexer.cpp
+   TGParser.cpp
+ 
++  ${MAYBE_SHARED}
++
+   ADDITIONAL_HEADER_DIRS
+   ${LLVM_MAIN_INCLUDE_DIR}/llvm/TableGen
+ 
+Index: llvm-14.0.3.src/utils/TableGen/GlobalISel/CMakeLists.txt
+===================================================================
+--- llvm-14.0.3.src.orig/utils/TableGen/GlobalISel/CMakeLists.txt
++++ llvm-14.0.3.src/utils/TableGen/GlobalISel/CMakeLists.txt
+@@ -3,7 +3,7 @@ set(LLVM_LINK_COMPONENTS
+   TableGen
+   )
+ 
+-add_llvm_library(LLVMTableGenGlobalISel STATIC DISABLE_LLVM_LINK_LLVM_DYLIB
++add_llvm_library(LLVMTableGenGlobalISel STATIC
+                  CodeExpander.cpp
+                  GIMatchDag.cpp
+                  GIMatchDagEdge.cpp

lto-disable-cache.patch

@@ -0,0 +1,28 @@
+diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
+index 5e57a3b8234..23f9ed5fb56 100644
+--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
++++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
+@@ -889,23 +889,6 @@ if(uppercase_LLVM_ENABLE_LTO STREQUAL "THIN")
+   if(NOT LINKER_IS_LLD_LINK)
+     append("-flto=thin" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+   endif()
+-  # If the linker supports it, enable the lto cache. This improves initial build
+-  # time a little since we re-link a lot of the same objects, and significantly
+-  # improves incremental build time.
+-  # FIXME: We should move all this logic into the clang driver.
+-  if(APPLE)
+-    append("-Wl,-cache_path_lto,${LLVM_THINLTO_CACHE_PATH}"
+-           CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+-  elseif((UNIX OR MINGW) AND LLVM_USE_LINKER STREQUAL "lld")
+-    append("-Wl,--thinlto-cache-dir=${LLVM_THINLTO_CACHE_PATH}"
+-           CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+-  elseif(LLVM_USE_LINKER STREQUAL "gold")
+-    append("-Wl,--plugin-opt,cache-dir=${LLVM_THINLTO_CACHE_PATH}"
+-           CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+-  elseif(LINKER_IS_LLD_LINK)
+-    append("/lldltocache:${LLVM_THINLTO_CACHE_PATH}"
+-           CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+-  endif()
+ elseif(uppercase_LLVM_ENABLE_LTO STREQUAL "FULL")
+   append("-flto=full" CMAKE_CXX_FLAGS CMAKE_C_FLAGS)
+   if(NOT LINKER_IS_LLD_LINK)

openmp-drop-rpath.patch

@@ -0,0 +1,102 @@
+From 555b572e3f407ac48b5f30fc06760cc4d0549977 Mon Sep 17 00:00:00 2001
+From: Fangrui Song <i@maskray.me>
+Date: Wed, 8 Mar 2023 10:18:40 -0800
+Subject: [PATCH] Revert D118493 "Set rpath on openmp executables"
+
+This reverts commit 9b9d08111b618d74574ba03e5cc3d752ecc56f55.
+(Accepted by Jon https://reviews.llvm.org/D118493#4178250)
+
+libc++, libc++abi, libunwind, and compiler-rt don't add the extra DT_RUNPATH,
+it's strange for OpenMP to diverge.
+Some build systems want to handle DT_RUNPATH themselves (e.g.
+CMAKE_INSTALL_RPATH). Some distributions (e.g. Fedora) have policies against
+DT_RUNPATH and the default DT_RUNPATH for OpenMP is causing trouble.
+
+For users who don't want to specify rpath by themselves,
+https://clang.llvm.org/docs/UsersManual.html#configuration-files
+can be used to specify the default rpath, e.g.
+specify -frtlib-add-rpath or -Wl,-rpath in bin/clang.cfg
+---
+ clang/include/clang/Driver/Options.td      |  6 ------
+ clang/lib/Driver/ToolChains/CommonArgs.cpp | 19 -------------------
+ clang/lib/Driver/ToolChains/CommonArgs.h   |  3 ---
+ clang/test/OpenMP/Inputs/libomp.a          |  1 -
+ openmp/libomptarget/test/lit.cfg           |  2 --
+ 5 files changed, 31 deletions(-)
+ delete mode 100644 clang/test/OpenMP/Inputs/libomp.a
+
+diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
+index b8a12660b32b7..97b9fdbb31a02 100644
+--- a/clang/include/clang/Driver/Options.td
++++ b/clang/include/clang/Driver/Options.td
+@@ -4260,12 +4260,6 @@ def offload_add_rpath: Flag<["--"], "offload-add-rpath">, Flags<[NoArgumentUnuse
+   HelpText<"Add -rpath with HIP runtime library directory to the linker flags">;
+ def no_offload_add_rpath: Flag<["--"], "no-offload-add-rpath">, Flags<[NoArgumentUnused]>,
+   HelpText<"Do not add -rpath with HIP runtime library directory to the linker flags">;
+-defm openmp_implicit_rpath: BoolFOption<"openmp-implicit-rpath",
+-  LangOpts<"OpenMP">,
+-  DefaultTrue,
+-  PosFlag<SetTrue, [], "Set rpath on OpenMP executables">,
+-  NegFlag<SetFalse>,
+-  BothFlags<[NoArgumentUnused]>>;
+ def r : Flag<["-"], "r">, Flags<[LinkerInput,NoArgumentUnused]>,
+         Group<Link_Group>;
+ def save_temps_EQ : Joined<["-", "--"], "save-temps=">, Flags<[CC1Option, FlangOption, NoXarchOption]>,
+diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+index dc46b625bb676..bc32b8d8cac8d 100644
+--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
++++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+@@ -795,22 +795,6 @@ void tools::addLTOOptions(const ToolChain &ToolChain, const ArgList &Args,
+                          /*IsLTO=*/true, PluginOptPrefix);
+ }
+ 
+-void tools::addOpenMPRuntimeSpecificRPath(const ToolChain &TC,
+-                                          const ArgList &Args,
+-                                          ArgStringList &CmdArgs) {
+-
+-  if (Args.hasFlag(options::OPT_fopenmp_implicit_rpath,
+-                   options::OPT_fno_openmp_implicit_rpath, true)) {
+-    // Default to clang lib / lib64 folder, i.e. the same location as device
+-    // runtime
+-    SmallString<256> DefaultLibPath =
+-        llvm::sys::path::parent_path(TC.getDriver().Dir);
+-    llvm::sys::path::append(DefaultLibPath, CLANG_INSTALL_LIBDIR_BASENAME);
+-    CmdArgs.push_back("-rpath");
+-    CmdArgs.push_back(Args.MakeArgString(DefaultLibPath));
+-  }
+-}
+-
+ void tools::addOpenMPRuntimeLibraryPath(const ToolChain &TC,
+                                         const ArgList &Args,
+                                         ArgStringList &CmdArgs) {
+@@ -881,9 +865,6 @@ bool tools::addOpenMPRuntime(ArgStringList &CmdArgs, const ToolChain &TC,
+     CmdArgs.push_back("-lomptarget.devicertl");
+ 
+   addArchSpecificRPath(TC, Args, CmdArgs);
+-
+-  if (RTKind == Driver::OMPRT_OMP)
+-    addOpenMPRuntimeSpecificRPath(TC, Args, CmdArgs);
+   addOpenMPRuntimeLibraryPath(TC, Args, CmdArgs);
+ 
+   return true;
+diff --git a/clang/lib/Driver/ToolChains/CommonArgs.h b/clang/lib/Driver/ToolChains/CommonArgs.h
+index d44d9214c08bc..e64e9524601dd 100644
+--- a/clang/lib/Driver/ToolChains/CommonArgs.h
++++ b/clang/lib/Driver/ToolChains/CommonArgs.h
+@@ -117,9 +117,6 @@ void AddAssemblerKPIC(const ToolChain &ToolChain,
+                       const llvm::opt::ArgList &Args,
+                       llvm::opt::ArgStringList &CmdArgs);
+ 
+-void addOpenMPRuntimeSpecificRPath(const ToolChain &TC,
+-                                   const llvm::opt::ArgList &Args,
+-                                   llvm::opt::ArgStringList &CmdArgs);
+ void addArchSpecificRPath(const ToolChain &TC, const llvm::opt::ArgList &Args,
+                           llvm::opt::ArgStringList &CmdArgs);
+ void addOpenMPRuntimeLibraryPath(const ToolChain &TC,
+diff --git a/clang/test/OpenMP/Inputs/libomp.a b/clang/test/OpenMP/Inputs/libomp.a
+deleted file mode 100644
+index 8b277f0dd5dcd..0000000000000
+--- a/clang/test/OpenMP/Inputs/libomp.a
++++ /dev/null
+@@ -1 +0,0 @@
+-!<arch>

opt-viewer-Find-style-css-in-usr-share.patch

@@ -0,0 +1,14 @@
+Index: llvm-7.0.0.src/tools/opt-viewer/opt-viewer.py
+===================================================================
+--- llvm-7.0.0.src.orig/tools/opt-viewer/opt-viewer.py
++++ llvm-7.0.0.src/tools/opt-viewer/opt-viewer.py
+@@ -252,8 +252,7 @@ def generate_report(all_remarks,
+         sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function))
+     IndexRenderer(output_dir, should_display_hotness, max_hottest_remarks_on_index).render(sorted_remarks)
+ 
+-    shutil.copy(os.path.join(os.path.dirname(os.path.realpath(__file__)),
+-            "style.css"), output_dir)
++    shutil.copy("/usr/share/opt-viewer/style.css", output_dir)
+ 
+     _render_file_bound = functools.partial(_render_file, source_dir, output_dir, context, no_highlight)
+     if should_print_progress:

tests-use-python3.patch

@@ -0,0 +1,30 @@
+Index: llvm-8.0.0rc3.src/test/BugPoint/compile-custom.ll.py
+===================================================================
+--- llvm-8.0.0rc3.src.orig/test/BugPoint/compile-custom.ll.py
++++ llvm-8.0.0rc3.src/test/BugPoint/compile-custom.ll.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/python3
+ 
+ from __future__ import print_function
+ 
+Index: llvm-8.0.0rc3.src/test/Other/opt-bisect-helper.py
+===================================================================
+--- llvm-8.0.0rc3.src.orig/test/Other/opt-bisect-helper.py
++++ llvm-8.0.0rc3.src/test/Other/opt-bisect-helper.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/python3
+ 
+ from __future__ import print_function
+ 
+Index: llvm-8.0.0rc3.src/test/TableGen/JSON-check.py
+===================================================================
+--- llvm-8.0.0rc3.src.orig/test/TableGen/JSON-check.py
++++ llvm-8.0.0rc3.src/test/TableGen/JSON-check.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/python3
+ 
+ import sys
+ import subprocess