swiftPackages.Dispatch: 5.5 -> 5.7

pkgs/development/compilers/swift/default.nix

···
       swift = swift-unwrapped;
     };
 
+    Dispatch = if stdenv.isDarwin
+      then null # part of libsystem
+      else callPackage ./libdispatch { };
+
   };
 
 in self

pkgs/development/compilers/swift/libdispatch/default.nix

···
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, ninja
+, useSwift ? true, swift
+}:
+
+stdenv.mkDerivation rec {
+  pname = "swift-corelibs-libdispatch";
+
+  # Releases are made as part of the Swift toolchain, so versions should match.
+  version = "5.7";
+  src = fetchFromGitHub {
+    owner = "apple";
+    repo = "swift-corelibs-libdispatch";
+    rev = "swift-${version}-RELEASE";
+    hash = "sha256-1qbXiC1k9+T+L6liqXKg6EZXqem6KEEx8OctuL4Kb2o=";
+  };
+
+  outputs = [ "out" "dev" "man" ];
+
+  nativeBuildInputs = [ cmake ]
+    ++ lib.optionals useSwift [ ninja swift ];
+
+  patches = [ ./disable-swift-overlay.patch ];
+
+  cmakeFlags = lib.optional useSwift "-DENABLE_SWIFT=ON";
+
+  postInstall = ''
+    # Provide a CMake module. This is primarily used to glue together parts of
+    # the Swift toolchain. Modifying the CMake config to do this for us is
+    # otherwise more trouble.
+    mkdir -p $dev/lib/cmake/dispatch
+    export dylibExt="${stdenv.hostPlatform.extensions.sharedLibrary}"
+    substituteAll ${./glue.cmake} $dev/lib/cmake/dispatch/dispatchConfig.cmake
+  '';
+
+  meta = {
+    description = "Grand Central Dispatch";
+    homepage = "https://github.com/apple/swift-corelibs-libdispatch";
+    platforms = lib.platforms.linux;
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ cmm dtzWill trepetti dduan trundle stephank ];
+  };
+}

pkgs/development/compilers/swift/libdispatch/disable-swift-overlay.patch

···
+Enabling Swift support is normally intended for building an overlay for a
+Swift SDK, which changes the installation layout. Prevent this.
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -287,7 +287,7 @@ configure_file("${PROJECT_SOURCE_DIR}/cmake/config.h.in"
+ add_compile_definitions($<$<OR:$<COMPILE_LANGUAGE:C>,$<COMPILE_LANGUAGE:CXX>>:HAVE_CONFIG_H>)
+ 
+ 
+-if(ENABLE_SWIFT)
++if(0)
+   set(INSTALL_TARGET_DIR "${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>" CACHE PATH "Path where the libraries will be installed")
+   set(INSTALL_DISPATCH_HEADERS_DIR "${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/dispatch" CACHE PATH "Path where the headers will be installed for libdispatch")
+   set(INSTALL_BLOCK_HEADERS_DIR "${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/Block" CACHE PATH "Path where the headers will be installed for the blocks runtime")
+--- a/man/CMakeLists.txt
++++ b/man/CMakeLists.txt
+@@ -1,6 +1,6 @@
+ 
+ # TODO(compnerd) add symlinks
+-if(NOT ENABLE_SWIFT)
++if(1)
+   install(FILES
+             dispatch.3
+             dispatch_after.3
+--- a/src/swift/CMakeLists.txt
++++ b/src/swift/CMakeLists.txt
+@@ -47,7 +47,7 @@ get_swift_host_arch(swift_arch)
+ install(FILES
+   ${CMAKE_CURRENT_BINARY_DIR}/swift/Dispatch.swiftmodule
+   ${CMAKE_CURRENT_BINARY_DIR}/swift/Dispatch.swiftdoc
+-  DESTINATION ${INSTALL_TARGET_DIR}/${swift_arch})
++  DESTINATION ${INSTALL_TARGET_DIR}/swift)
+ set_property(GLOBAL APPEND PROPERTY DISPATCH_EXPORTS swiftDispatch)
+ install(TARGETS swiftDispatch
+   EXPORT dispatchExports

pkgs/development/compilers/swift/libdispatch/glue.cmake

···
+add_library(dispatch SHARED IMPORTED)
+set_property(TARGET dispatch PROPERTY IMPORTED_LOCATION "@out@/lib/libdispatch@dylibExt@")
+
+add_library(swiftDispatch SHARED IMPORTED)
+set_property(TARGET swiftDispatch PROPERTY IMPORTED_LOCATION "@out@/lib/libswiftDispatch@dylibExt@")

pkgs/development/libraries/swift-corelibs-libdispatch/default.nix

···
-{ lib
-, clangStdenv
-, fetchFromGitHub
-, cmake
-, ninja
-, libbsd
-, libsystemtap
-}:
-
-let
-  version = "5.5";
-in clangStdenv.mkDerivation {
-  pname = "swift-corelibs-libdispatch";
-  inherit version;
-
-  outputs = [ "out" "dev" "man" ];
-
-  src = fetchFromGitHub {
-    owner = "apple";
-    repo = "swift-corelibs-libdispatch";
-    rev = "swift-${version}-RELEASE";
-    sha256 = "sha256-MbLgmS6qRSRT+2dGqbYTNb5MTM4Wz/grDXFk1kup+jk=";
-  };
-
-  nativeBuildInputs = [
-    cmake
-    ninja
-  ];
-
-  buildInputs = [
-    libbsd
-    libsystemtap
-  ];
-
-  meta = {
-    description = "Grand Central Dispatch";
-    homepage = "https://github.com/apple/swift-corelibs-libdispatch";
-    platforms = lib.platforms.linux;
-    license = lib.licenses.asl20;
-    maintainers = [ lib.maintainers.cmm ];
-  };
-}

pkgs/top-level/all-packages.nix

···
 
   mictray = callPackage ../tools/audio/mictray { };
 
-  swift-corelibs-libdispatch = callPackage ../development/libraries/swift-corelibs-libdispatch { };
+  swift-corelibs-libdispatch = swiftPackages.Dispatch;
 
   swaysettings = callPackage ../applications/misc/swaysettings { };