Port `lld` to Mariner 2.0 (#2038)

SPECS/LICENSES-AND-NOTICES/data/licenses.json

@@ -2366,6 +2366,7 @@
                 "libmaxminddb",
                 "libuv",
                 "libxml++",
+                "lld",
                 "lsb-release",
                 "lttng-consume",
                 "mariner-release",

SPECS/lld/lld.signatures.json

@@ -0,0 +1,6 @@
+{
+ "Signatures": {
+  "lld-12.0.1.src.tar.xz": "690b3f6a76310e13a783a142f87500ade9cafe003e088b678364487ed873e361",
+  "libunwind-12.0.1.src.tar.xz": "0bea6089518395ca65cf58b0a450716c5c99ce1f041079d3aa42d280ace15ca4"
+ }
+}

SPECS/lld/lld.spec

@@ -0,0 +1,76 @@
+Summary:        LLD is a linker from the LLVM project that is a drop-in replacement for system linkers and runs much faster than them
+Name:           lld
+Version:        12.0.1
+Release:        1%{?dist}
+License:        NCSA
+Vendor:         Microsoft Corporation
+Distribution:   Mariner
+Group:          Development/Tools
+URL:            https://clang.llvm.org
+Source0:        https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/lld-%{version}.src.tar.xz
+# The `lld` build needs access to `mach-o/compact_unwind_encoding.h` which LLVM
+# packages with the `libunwind` source.  We fetch and unpack both sources then
+# pass an additional `-I` to `CMAKE` to allow the build to find the header.
+Source1:        https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/libunwind-%{version}.src.tar.xz
+BuildRequires:  build-essential
+BuildRequires:  cmake
+BuildRequires:  file
+BuildRequires:  llvm-devel
+BuildRequires:  ninja-build
+BuildRequires:  python3
+Requires:       %{name}-libs = %{version}-%{release}
+
+%package devel
+Summary:        Libraries and header files for LLD
+Requires:       %{name} = %{version}-%{release}
+
+%package libs
+Summary:        LLD shared libraries
+
+%description
+The LLVM project linker.
+
+%description devel
+This package contains library and header files needed to develop new native
+programs that use the LLD infrastructure.
+
+%description libs
+Shared libraries for LLD.
+
+%prep
+%setup -q -b 1 -n lld-%{version}.src
+
+%build
+mkdir -p build
+cd build
+%cmake ..                                                         \
+       -G Ninja                                                   \
+       -DCMAKE_BUILD_TYPE=Release                                 \
+       -DCMAKE_SKIP_RPATH:BOOL=on                                 \
+       -DCMAKE_C_FLAGS=-I../../libunwind-%{version}.src/include   \
+       -DCMAKE_CXX_FLAGS=-I../../libunwind-%{version}.src/include \
+       -DLLVM_LINK_LLVM_DYLIB:BOOL=on                             \
+       -DLLVM_DYLIB_COMPONENTS="all"                              \
+       -Wno-dev
+%ninja_build
+
+%install
+cd build
+%ninja_install
+
+%files
+%{_bindir}/*
+
+%files devel
+%{_includedir}/lld/
+%{_libdir}/cmake/lld/*.cmake
+%{_libdir}/*.so
+
+%files libs
+%license LICENSE.TXT
+%{_libdir}/*.so.12*
+
+%changelog
+*   Thu Aug 12 2021 Andy Caldwell <andycaldwell@microsoft.com>  12.0.1-1
+-   Original version for CBL-Mariner.
+-   License verified

cgmanifest.json

@@ -11606,6 +11606,16 @@
         }
       }
     },
+    {
+      "component": {
+        "type": "other",
+        "other": {
+          "name": "libunwind",
+          "version": "12.0.1",
+          "downloadUrl": "https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.1/libunwind-12.0.1.src.tar.xz"
+        }
+      }
+    },
     {
       "component": {
         "type": "other",
@@ -12356,6 +12366,16 @@
         }
       }
     },
+    {
+      "component": {
+        "type": "other",
+        "other": {
+          "name": "lld",
+          "version": "12.0.1",
+          "downloadUrl": "https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.1/lld-12.0.1.src.tar.xz"
+        }
+      }
+    },
     {
       "component": {
         "type": "other",