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{
lib,
stdenv,
release_version,
src ? null,
llvm_meta,
version,
monorepoSrc ? null,
runCommand,
cmake,
ninja,
python3,
libcxx,
enableShared ? !stdenv.hostPlatform.isStatic,
doFakeLibgcc ? stdenv.hostPlatform.useLLVM && !stdenv.hostPlatform.isStatic,
devExtraCmakeFlags ? [ ],
getVersionFile,
}:
stdenv.mkDerivation (finalAttrs: {
pname = "libunwind";
inherit version;
src =
if monorepoSrc != null then
runCommand "libunwind-src-${version}" { inherit (monorepoSrc) passthru; } ''
mkdir -p "$out"
cp -r ${monorepoSrc}/cmake "$out"
cp -r ${monorepoSrc}/libunwind "$out"
mkdir -p "$out/libcxx"
cp -r ${monorepoSrc}/libcxx/cmake "$out/libcxx"
cp -r ${monorepoSrc}/libcxx/utils "$out/libcxx"
mkdir -p "$out/llvm"
cp -r ${monorepoSrc}/llvm/cmake "$out/llvm"
cp -r ${monorepoSrc}/llvm/utils "$out/llvm"
cp -r ${monorepoSrc}/runtimes "$out"
''
else
src;
sourceRoot = "${finalAttrs.src.name}/runtimes";
outputs = [
"out"
"dev"
];
nativeBuildInputs = [
cmake
ninja
python3
];
cmakeFlags = [
(lib.cmakeBool "LIBUNWIND_ENABLE_SHARED" enableShared)
(lib.cmakeFeature "LLVM_ENABLE_RUNTIMES" "libunwind")
]
++ devExtraCmakeFlags;
postInstall =
lib.optionalString (enableShared && !stdenv.hostPlatform.isDarwin && !stdenv.hostPlatform.isWindows)
''
# libcxxabi wants to link to libunwind_shared.so (?).
ln -s $out/lib/libunwind.so $out/lib/libunwind_shared.so
''
+ lib.optionalString (enableShared && stdenv.hostPlatform.isWindows) ''
ln -s $out/lib/libunwind.dll.a $out/lib/libunwind_shared.dll.a
''
+ lib.optionalString (doFakeLibgcc && !stdenv.hostPlatform.isWindows) ''
ln -s $out/lib/libunwind.so $out/lib/libgcc_s.so
ln -s $out/lib/libunwind.so $out/lib/libgcc_s.so.1
''
+ lib.optionalString (doFakeLibgcc && stdenv.hostPlatform.isWindows) ''
ln -s $out/lib/libunwind.dll.a $out/lib/libgcc_s.dll.a
'';
meta = llvm_meta // {
# Details: https://github.com/llvm/llvm-project/blob/main/libunwind/docs/index.rst
homepage = "https://clang.llvm.org/docs/Toolchain.html#unwind-library";
description = "LLVM's unwinder library";
longDescription = ''
The unwind library provides a family of _Unwind_* functions implementing
the language-neutral stack unwinding portion of the Itanium C++ ABI (Level
I). It is a dependency of the C++ ABI library, and sometimes is a
dependency of other runtimes.
'';
};
})
|
