1 files changed, 50 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/libunwind/default.nix b/nixpkgs/pkgs/development/libraries/libunwind/default.nix
new file mode 100644
index 000000000000..90054b8ff7b9
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/libunwind/default.nix
@@ -0,0 +1,50 @@
+{ stdenv, lib, fetchFromGitHub, fetchpatch, autoreconfHook, xz, buildPackages }:
+
+stdenv.mkDerivation rec {
+  pname = "libunwind";
+  version = "1.8.0";
+
+  src = fetchFromGitHub {
+    owner = "libunwind";
+    repo = "libunwind";
+    rev = "v${version}";
+    hash = "sha256-u33JAgxNy45yhIFL5QDsfa7EtLLKWmCv1kO4BxYYuwM=";
+  };
+
+  postPatch = if (stdenv.cc.isClang || stdenv.hostPlatform.isStatic) then ''
+    substituteInPlace configure.ac --replace "-lgcc_s" ""
+  '' else lib.optionalString stdenv.hostPlatform.isMusl ''
+    substituteInPlace configure.ac --replace "-lgcc_s" "-lgcc_eh"
+  '';
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  outputs = [ "out" "dev" "devman" ];
+
+  # Without latex2man, no man pages are installed despite being
+  # prebuilt in the source tarball.
+  configureFlags = [ "LATEX2MAN=${buildPackages.coreutils}/bin/true" ]
+  # See https://github.com/libunwind/libunwind/issues/693
+  ++ lib.optionals (with stdenv.hostPlatform; isAarch64 && isMusl && !isStatic) [
+    "CFLAGS=-mno-outline-atomics"
+  ];
+
+  propagatedBuildInputs = [ xz ];
+
+  postInstall = ''
+    find $out -name \*.la | while read file; do
+      sed -i 's,-llzma,${xz.out}/lib/liblzma.la,' $file
+    done
+  '';
+
+  doCheck = false; # fails
+
+  meta = with lib; {
+    homepage = "https://www.nongnu.org/libunwind";
+    description = "A portable and efficient API to determine the call-chain of a program";
+    maintainers = with maintainers; [ orivej ];
+    # https://github.com/libunwind/libunwind#libunwind
+    platforms = [ "aarch64-linux" "armv5tel-linux" "armv6l-linux" "armv7a-linux" "armv7l-linux" "i686-freebsd13" "i686-linux" "loongarch64-linux" "mips64el-linux" "mipsel-linux" "powerpc64-linux" "powerpc64le-linux" "riscv64-linux" "s390x-linux" "x86_64-freebsd13" "x86_64-linux" "x86_64-solaris" ];
+    license = licenses.mit;
+  };
+}