nix build housekeeping, ldc, follow nixpkgs build

7 files changed, 367 insertions, 506 deletions

diff --git a/nix-overlays/dub/default.nix b/nix-overlays/dub/default.nix
index 0eec437..b2a2283 100644
--- a/nix-overlays/dub/default.nix
+++ b/nix-overlays/dub/default.nix
@@ -80,6 +80,7 @@ stdenv.mkDerivation rec {
     description = "Package and build manager for D applications and libraries";
     homepage = "https://code.dlang.org/";
     license = licenses.mit;
+    mainProgram = "dub";
     maintainers = with maintainers; [ jtbx ];
     platforms = [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };
diff --git a/nix-overlays/ldc/binary.nix b/nix-overlays/ldc/binary.nix
deleted file mode 100644
index ca7fb4f..0000000
--- a/nix-overlays/ldc/binary.nix
+++ /dev/null
@@ -1,43 +0,0 @@
-{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2
-, version, hashes }:
-
-let
-  inherit (stdenv) hostPlatform;
-  OS = if hostPlatform.isDarwin then "osx" else hostPlatform.parsed.kernel.name;
-  ARCH = if hostPlatform.isDarwin && hostPlatform.isAarch64 then "arm64" else hostPlatform.parsed.cpu.name;
-in stdenv.mkDerivation {
-  pname = "ldc-bootstrap";
-  inherit version;
-
-  src = fetchurl rec {
-    name = "ldc2-${version}-${OS}-${ARCH}.tar.xz";
-    url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/${name}";
-    sha256 = hashes."${OS}-${ARCH}" or (throw "missing bootstrap sha256 for ${OS}-${ARCH}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-
-  nativeBuildInputs = lib.optionals hostPlatform.isLinux [
-    autoPatchelfHook
-  ] ++ lib.optional hostPlatform.isDarwin fixDarwinDylibNames;
-
-  buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ libxml2 stdenv.cc.cc ];
-
-  propagatedBuildInputs = [ curl tzdata ];
-
-  installPhase = ''
-    mkdir -p $out
-
-    mv bin etc import lib LICENSE README $out/
-  '';
-
-  meta = with lib; {
-    description = "The LLVM-based D Compiler";
-    homepage = "https://github.com/ldc-developers/ldc";
-    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
-    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
-    maintainers = with maintainers; [ lionello ];
-    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
-  };
-}
diff --git a/nix-overlays/ldc/bootstrap.nix b/nix-overlays/ldc/bootstrap.nix
index 7724cbc..d81e5a4 100644
--- a/nix-overlays/ldc/bootstrap.nix
+++ b/nix-overlays/ldc/bootstrap.nix
@@ -1,11 +1,50 @@
-{ callPackage }:
-callPackage ./binary.nix {
+{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
+
+let
+  inherit (stdenv) hostPlatform;
+  OS = if hostPlatform.isDarwin then "osx" else hostPlatform.parsed.kernel.name;
+  ARCH = if hostPlatform.isDarwin && hostPlatform.isAarch64 then "arm64" else hostPlatform.parsed.cpu.name;
   version = "1.25.0";
   hashes = {
-    # Get these from `nix-prefetch-url https://github.com/ldc-developers/ldc/releases/download/v1.19.0/ldc2-1.19.0-osx-x86_64.tar.xz` etc..
+    # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.25.0/ldc2-1.25.0-osx-x86_64.tar.xz` etc..
     osx-x86_64 = "sha256-6iKnbS+oalLKmyS8qYD/wS21b7+O+VgsWG2iT4PrWPU=";
     linux-x86_64 = "sha256-sfg47RdlsIpryc3iZvE17OtLweh3Zw6DeuNJYgpuH+o=";
     linux-aarch64  = "sha256-UDZ43x4flSo+SfsPeE8juZO2Wtk2ZzwySk0ADHnvJBI=";
     osx-arm64  = "sha256-O/x0vy0wwQFaDc4uWSeMhx+chJKqbQb6e5QNYf+7DCw=";
   };
+in stdenv.mkDerivation {
+  pname = "ldc-bootstrap";
+  inherit version;
+
+  src = fetchurl rec {
+    name = "ldc2-${version}-${OS}-${ARCH}.tar.xz";
+    url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/${name}";
+    hash = hashes."${OS}-${ARCH}" or (throw "missing bootstrap hash for ${OS}-${ARCH}");
+  };
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  nativeBuildInputs = lib.optionals hostPlatform.isLinux [
+    autoPatchelfHook
+  ] ++ lib.optional hostPlatform.isDarwin fixDarwinDylibNames;
+
+  buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ libxml2 stdenv.cc.cc ];
+
+  propagatedBuildInputs = [ curl tzdata ];
+
+  installPhase = ''
+    mkdir -p $out
+
+    mv bin etc import lib LICENSE README $out/
+  '';
+
+  meta = with lib; {
+    description = "LLVM-based D Compiler";
+    homepage = "https://github.com/ldc-developers/ldc";
+    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
+    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
+    maintainers = with maintainers; [ lionello ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
+  };
 }
diff --git a/nix-overlays/ldc/default.nix b/nix-overlays/ldc/default.nix
index 1f18529..8375c13 100644
--- a/nix-overlays/ldc/default.nix
+++ b/nix-overlays/ldc/default.nix
@@ -1,4 +1 @@
-import ./generic.nix {
-  version = "1.39.0";
-  sha256 = "sha256-g5usNvYHMxjjbwsWN2fgO9vT9X2ZJWuXSUrEObWaRWI=";
-}
+import ./package.nix
diff --git a/nix-overlays/ldc/generic.nix b/nix-overlays/ldc/generic.nix
deleted file mode 100644
index bc21974..0000000
--- a/nix-overlays/ldc/generic.nix
+++ /dev/null
@@ -1,136 +0,0 @@
-{ version, sha256 }:
-{ lib, stdenv, fetchurl, cmake, ninja, llvm_18, curl, tzdata
-, libconfig, lit, gdb, unzip, darwin, bash
-, callPackage, makeWrapper, runCommand, targetPackages
-, ldcBootstrap ? callPackage ./bootstrap.nix { }
-}:
-
-let
-  pathConfig = runCommand "ldc-lib-paths" {} ''
-    mkdir $out
-    echo ${tzdata}/share/zoneinfo/ > $out/TZDatabaseDirFile
-    echo ${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary} > $out/LibcurlPathFile
-  '';
-
-in
-
-stdenv.mkDerivation rec {
-  pname = "ldc";
-  inherit version;
-
-  src = fetchurl {
-    url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz";
-    inherit sha256;
-  };
-
-  # https://issues.dlang.org/show_bug.cgi?id=19553
-  hardeningDisable = [ "fortify" ];
-
-  postUnpack = ''
-    patchShebangs .
-  ''
-  + ''
-      rm ldc-${version}-src/tests/dmd/fail_compilation/mixin_gc.d
-      rm ldc-${version}-src/tests/dmd/runnable/xtest46_gc.d
-      rm ldc-${version}-src/tests/dmd/runnable/testptrref_gc.d
-
-      # test depends on current year
-      rm ldc-${version}-src/tests/dmd/compilable/ddocYear.d
-  ''
-  + lib.optionalString stdenv.hostPlatform.isDarwin ''
-      # https://github.com/NixOS/nixpkgs/issues/34817
-      rm -r ldc-${version}-src/tests/plugins/addFuncEntryCall
-  '';
-
-  postPatch = ''
-    # Setting SHELL=$SHELL when dmd testsuite is run doesn't work on Linux somehow
-    #substituteInPlace tests/dmd/Makefile --replace "SHELL=/bin/bash" "SHELL=${bash}/bin/bash"
-  ''
-  + lib.optionalString stdenv.hostPlatform.isLinux ''
-      substituteInPlace runtime/phobos/std/socket.d --replace "assert(ih.addrList[0] == 0x7F_00_00_01);" ""
-  ''
-  + lib.optionalString stdenv.hostPlatform.isDarwin ''
-      substituteInPlace runtime/phobos/std/socket.d --replace "foreach (name; names)" "names = []; foreach (name; names)"
-  '';
-
-  nativeBuildInputs = [
-    cmake ldcBootstrap lit lit.python llvm_18.dev makeWrapper ninja unzip
-  ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    darwin.apple_sdk.frameworks.Foundation
-  ]
-  ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
-    # https://github.com/NixOS/nixpkgs/pull/36378#issuecomment-385034818
-    gdb
-  ];
-
-  buildInputs = [ curl tzdata ];
-
-  cmakeFlags = [
-    "-DD_FLAGS=-d-version=TZDatabaseDir;-d-version=LibcurlPath;-J${pathConfig}"
-  ];
-
-  postConfigure = ''
-    export DMD=$PWD/bin/ldmd2
-  '';
-
-  makeFlags = [ "DMD=$DMD" ];
-
-  fixNames = lib.optionalString stdenv.hostPlatform.isDarwin  ''
-    fixDarwinDylibNames() {
-      local flags=()
-
-      for fn in "$@"; do
-        flags+=(-change "$(basename "$fn")" "$fn")
-      done
-
-      for fn in "$@"; do
-        if [ -L "$fn" ]; then continue; fi
-        echo "$fn: fixing dylib"
-        install_name_tool -id "$fn" "''${flags[@]}" "$fn"
-      done
-    }
-
-    fixDarwinDylibNames $(find "$(pwd)/lib" -name "*.dylib")
-    export DYLD_LIBRARY_PATH=$(pwd)/lib
-  '';
-
-  # https://github.com/ldc-developers/ldc/issues/2497#issuecomment-459633746
-  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin
-    "|druntime-test-shared";
-
-  checkPhase = ''
-    # Build default lib test runners
-    ninja -j$NIX_BUILD_CORES all-test-runners
-
-    ${fixNames}
-
-    # Run dmd testsuite
-    export DMD_TESTSUITE_MAKE_ARGS="-j$NIX_BUILD_CORES DMD=$DMD"
-    ctest -V -R "dmd-testsuite"
-
-    # Build and run LDC D unittests.
-    ctest --output-on-failure -R "ldc2-unittest"
-
-    # Run LIT testsuite.
-    ctest -V -R "lit-tests"
-
-    # Run default lib unittests
-    ctest -j$NIX_BUILD_CORES --output-on-failure -E "ldc2-unittest|lit-tests|dmd-testsuite${additionalExceptions}"
-  '';
-
-  postInstall = ''
-    wrapProgram $out/bin/ldc2 \
-        --prefix PATH ":" "${targetPackages.stdenv.cc}/bin" \
-        --set-default CC "${targetPackages.stdenv.cc}/bin/cc"
-   '';
-
-  meta = with lib; {
-    description = "The LLVM-based D compiler";
-    homepage = "https://github.com/ldc-developers/ldc";
-    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
-    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
-    maintainers = with maintainers; [ lionello jtbx ];
-    platforms = [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
-  };
-}
diff --git a/nix-overlays/ldc/package.nix b/nix-overlays/ldc/package.nix
new file mode 100644
index 0000000..112a9ee
--- /dev/null
+++ b/nix-overlays/ldc/package.nix
@@ -0,0 +1,180 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, ninja
+, llvm_18
+, curl
+, tzdata
+, lit
+, gdb
+, unzip
+, darwin
+, callPackage
+, makeWrapper
+, runCommand
+, writeText
+, targetPackages
+
+, ldcBootstrap ? callPackage ./bootstrap.nix { }
+}:
+
+let
+  pathConfig = runCommand "ldc-lib-paths" {} ''
+    mkdir $out
+    echo ${tzdata}/share/zoneinfo/ > $out/TZDatabaseDirFile
+    echo ${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary} > $out/LibcurlPathFile
+  '';
+
+in
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "ldc";
+  version = "1.39.0";
+
+  src = fetchFromGitHub {
+    owner = "ldc-developers";
+    repo = "ldc";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-ZiG0ATsY6Asu2nus3Y404fvqIwtKYoHl1JRUDU5A6mo=";
+    fetchSubmodules = true;
+  };
+
+  # https://issues.dlang.org/show_bug.cgi?id=19553
+  hardeningDisable = [ "fortify" ];
+
+  postPatch = ''
+    patchShebangs runtime tools tests
+
+    rm tests/dmd/fail_compilation/mixin_gc.d
+    rm tests/dmd/runnable/xtest46_gc.d
+    rm tests/dmd/runnable/testptrref_gc.d
+
+    # test depends on current year
+    rm tests/dmd/compilable/ddocYear.d
+  '' + lib.optionalString stdenv.hostPlatform.isLinux ''
+    substituteInPlace runtime/phobos/std/socket.d --replace-fail "assert(ih.addrList[0] == 0x7F_00_00_01);" ""
+  '' + lib.optionalString stdenv.hostPlatform.isDarwin ''
+    substituteInPlace runtime/phobos/std/socket.d --replace-fail "foreach (name; names)" "names = []; foreach (name; names)"
+
+    # https://github.com/NixOS/nixpkgs/issues/34817
+    rm -r tests/plugins/addFuncEntryCall
+  '';
+
+  nativeBuildInputs = [
+    cmake ldcBootstrap lit lit.python llvm_18.dev makeWrapper ninja unzip
+  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    darwin.apple_sdk.frameworks.Foundation
+  ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
+    # https://github.com/NixOS/nixpkgs/pull/36378#issuecomment-385034818
+    gdb
+  ];
+
+  buildInputs = [ curl tzdata ];
+
+  outputs = [ "out" "include" ];
+  outputInclude = "include";
+
+  cmakeFlags = [
+    "-DD_FLAGS=-d-version=TZDatabaseDir;-d-version=LibcurlPath;-J${pathConfig}"
+    "-DINCLUDE_INSTALL_DIR=${placeholder "include"}/include/d"
+  ];
+
+  postConfigure = ''
+    export DMD=$PWD/bin/ldmd2
+  '';
+
+  makeFlags = [ "DMD=$DMD" ];
+
+  fixNames = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    fixDarwinDylibNames() {
+      local flags=()
+
+      for fn in "$@"; do
+        flags+=(-change "$(basename "$fn")" "$fn")
+      done
+
+      for fn in "$@"; do
+        if [ -L "$fn" ]; then continue; fi
+        echo "$fn: fixing dylib"
+        install_name_tool -id "$fn" "''${flags[@]}" "$fn"
+      done
+    }
+
+    fixDarwinDylibNames $(find "$(pwd)/lib" -name "*.dylib")
+    export DYLD_LIBRARY_PATH=$(pwd)/lib
+  '';
+
+  # https://github.com/ldc-developers/ldc/issues/2497#issuecomment-459633746
+  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin
+    "|druntime-test-shared";
+
+  checkPhase = ''
+    # Build default lib test runners
+    ninja -j$NIX_BUILD_CORES all-test-runners
+
+    ${finalAttrs.fixNames}
+
+    # Run dmd testsuite
+    export DMD_TESTSUITE_MAKE_ARGS="-j$NIX_BUILD_CORES DMD=$DMD"
+    ctest -V -R "dmd-testsuite"
+
+    # Build and run LDC D unittests.
+    ctest --output-on-failure -R "ldc2-unittest"
+
+    # Run LIT testsuite.
+    ctest -V -R "lit-tests"
+
+    # Run default lib unittests
+    ctest -j$NIX_BUILD_CORES --output-on-failure -E "ldc2-unittest|lit-tests|dmd-testsuite${finalAttrs.additionalExceptions}"
+  '';
+
+  postInstall = ''
+    wrapProgram $out/bin/ldc2 \
+      --prefix PATH : ${targetPackages.stdenv.cc}/bin \
+      --set-default CC ${targetPackages.stdenv.cc}/bin/cc
+  '';
+
+  meta = with lib; {
+    description = "LLVM-based D compiler";
+    homepage = "https://github.com/ldc-developers/ldc";
+    changelog = "https://github.com/ldc-developers/ldc/releases/tag/v${finalAttrs.version}";
+    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
+    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
+    mainProgram = "ldc2";
+    maintainers = with maintainers; [ lionello jtbx ];
+    platforms = [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+  };
+
+  passthru.ldcBootstrap = ldcBootstrap;
+  passthru.tests = let
+    ldc = finalAttrs.finalPackage;
+    helloWorld = stdenv.mkDerivation (finalAttrs: {
+      name = "ldc-hello-world";
+      src = writeText "hello_world.d" ''
+        module hello_world;
+        import std.stdio;
+        void main() {
+          writeln("Hello, world!");
+        }
+      '';
+      dontUnpack = true;
+      buildInputs = [ ldc ];
+      dFlags = [];
+      buildPhase = ''
+        ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
+      '';
+      installPhase = ''
+        mkdir -p $out/bin
+        mv test $out/bin
+      '';
+    });
+  in {
+    # Without -shared, built binaries should not contain
+    # references to the compiler binaries.
+    no-references-to-compiler = helloWorld.overrideAttrs {
+      disallowedReferences = [ ldc ];
+      dFlags = ["-g"];
+    };
+  };
+})
diff --git a/org/nixpkgs_overlays_d_related.org b/org/nixpkgs_overlays_d_related.org
index 7abaa20..9467744 100644
--- a/org/nixpkgs_overlays_d_related.org
+++ b/org/nixpkgs_overlays_d_related.org
@@ -550,19 +550,31 @@ pkgs.callPackage ./shell.nix {}
 
 #+HEADER: :tangle "../nix-overlays/ldc/default.nix"
 #+BEGIN_SRC nix
-import ./generic.nix {
-  <<ldc_version_info>>
-}
+import ./package.nix
 #+END_SRC
 
-**** generic.nix OK ✓ (unaltered)
+**** package.nix OK ✓ (unaltered)
 
-#+HEADER: :tangle "../nix-overlays/ldc/generic.nix"
+#+HEADER: :tangle "../nix-overlays/ldc/package.nix"
 #+BEGIN_SRC nix
-{ version, sha256 }:
-{ lib, stdenv, fetchurl, cmake, ninja, <<ldc_llvm_set>>, curl, tzdata
-, libconfig, lit, gdb, unzip, darwin, bash
-, callPackage, makeWrapper, runCommand, targetPackages
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, ninja
+, <<ldc_llvm_set>>
+, curl
+, tzdata
+, lit
+, gdb
+, unzip
+, darwin
+, callPackage
+, makeWrapper
+, runCommand
+, writeText
+, targetPackages
+
 , ldcBootstrap ? callPackage ./bootstrap.nix { }
 }:
 
@@ -575,60 +587,56 @@ let
 
 in
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "ldc";
-  inherit version;
+  version = "<<ldc_version>>";
 
-  src = fetchurl {
-    url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz";
-    inherit sha256;
+  src = fetchFromGitHub {
+    owner = "ldc-developers";
+    repo = "ldc";
+    rev = "v${finalAttrs.version}";
+    hash = "<<ldc_hash>>";
+    fetchSubmodules = true;
   };
 
   # https://issues.dlang.org/show_bug.cgi?id=19553
   hardeningDisable = [ "fortify" ];
 
-  postUnpack = ''
-    patchShebangs .
-  ''
-  + ''
-      rm ldc-${version}-src/tests/dmd/fail_compilation/mixin_gc.d
-      rm ldc-${version}-src/tests/dmd/runnable/xtest46_gc.d
-      rm ldc-${version}-src/tests/dmd/runnable/testptrref_gc.d
-
-      # test depends on current year
-      rm ldc-${version}-src/tests/dmd/compilable/ddocYear.d
-  ''
-  + lib.optionalString stdenv.hostPlatform.isDarwin ''
-      # https://github.com/NixOS/nixpkgs/issues/34817
-      rm -r ldc-${version}-src/tests/plugins/addFuncEntryCall
-  '';
-
   postPatch = ''
-    # Setting SHELL=$SHELL when dmd testsuite is run doesn't work on Linux somehow
-    #substituteInPlace tests/dmd/Makefile --replace "SHELL=/bin/bash" "SHELL=${bash}/bin/bash"
-  ''
-  + lib.optionalString stdenv.hostPlatform.isLinux ''
-      substituteInPlace runtime/phobos/std/socket.d --replace "assert(ih.addrList[0] == 0x7F_00_00_01);" ""
-  ''
-  + lib.optionalString stdenv.hostPlatform.isDarwin ''
-      substituteInPlace runtime/phobos/std/socket.d --replace "foreach (name; names)" "names = []; foreach (name; names)"
+    patchShebangs runtime tools tests
+
+    rm tests/dmd/fail_compilation/mixin_gc.d
+    rm tests/dmd/runnable/xtest46_gc.d
+    rm tests/dmd/runnable/testptrref_gc.d
+
+    # test depends on current year
+    rm tests/dmd/compilable/ddocYear.d
+  '' + lib.optionalString stdenv.hostPlatform.isLinux ''
+    substituteInPlace runtime/phobos/std/socket.d --replace-fail "assert(ih.addrList[0] == 0x7F_00_00_01);" ""
+  '' + lib.optionalString stdenv.hostPlatform.isDarwin ''
+    substituteInPlace runtime/phobos/std/socket.d --replace-fail "foreach (name; names)" "names = []; foreach (name; names)"
+
+    # https://github.com/NixOS/nixpkgs/issues/34817
+    rm -r tests/plugins/addFuncEntryCall
   '';
 
   nativeBuildInputs = [
     cmake ldcBootstrap lit lit.python <<ldc_llvm_set>>.dev makeWrapper ninja unzip
-  ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
     darwin.apple_sdk.frameworks.Foundation
-  ]
-  ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
+  ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
     # https://github.com/NixOS/nixpkgs/pull/36378#issuecomment-385034818
     gdb
   ];
 
   buildInputs = [ curl tzdata ];
 
+  outputs = [ "out" "include" ];
+  outputInclude = "include";
+
   cmakeFlags = [
     "-DD_FLAGS=-d-version=TZDatabaseDir;-d-version=LibcurlPath;-J${pathConfig}"
+    "-DINCLUDE_INSTALL_DIR=${placeholder "include"}/include/d"
   ];
 
   postConfigure = ''
@@ -637,7 +645,7 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "DMD=$DMD" ];
 
-  fixNames = lib.optionalString stdenv.hostPlatform.isDarwin  ''
+  fixNames = lib.optionalString stdenv.hostPlatform.isDarwin ''
     fixDarwinDylibNames() {
       local flags=()
 
@@ -664,7 +672,7 @@ stdenv.mkDerivation rec {
     # Build default lib test runners
     ninja -j$NIX_BUILD_CORES all-test-runners
 
-    ${fixNames}
+    ${finalAttrs.fixNames}
 
     # Run dmd testsuite
     export DMD_TESTSUITE_MAKE_ARGS="-j$NIX_BUILD_CORES DMD=$DMD"
@@ -677,90 +685,73 @@ stdenv.mkDerivation rec {
     ctest -V -R "lit-tests"
 
     # Run default lib unittests
-    ctest -j$NIX_BUILD_CORES --output-on-failure -E "ldc2-unittest|lit-tests|dmd-testsuite${additionalExceptions}"
+    ctest -j$NIX_BUILD_CORES --output-on-failure -E "ldc2-unittest|lit-tests|dmd-testsuite${finalAttrs.additionalExceptions}"
   '';
 
   postInstall = ''
     wrapProgram $out/bin/ldc2 \
-        --prefix PATH ":" "${targetPackages.stdenv.cc}/bin" \
-        --set-default CC "${targetPackages.stdenv.cc}/bin/cc"
-   '';
+      --prefix PATH : ${targetPackages.stdenv.cc}/bin \
+      --set-default CC ${targetPackages.stdenv.cc}/bin/cc
+  '';
 
   meta = with lib; {
-    description = "The LLVM-based D compiler";
+    description = "LLVM-based D compiler";
     homepage = "https://github.com/ldc-developers/ldc";
+    changelog = "https://github.com/ldc-developers/ldc/releases/tag/v${finalAttrs.version}";
     # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
     license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
+    mainProgram = "ldc2";
     maintainers = with maintainers; [ lionello jtbx ];
     platforms = [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };
-}
-#+END_SRC
 
-**** bootstrap.nix
-
-#+HEADER: :tangle "../nix-overlays/ldc/bootstrap.nix"
-#+BEGIN_SRC nix
-<<ldc_bootstrap_1-25-0>>
-#+END_SRC
-
-#+NAME: ldc_bootstrap_1-25-0
-#+BEGIN_SRC nix
-{ callPackage }:
-callPackage ./binary.nix {
-  version = "1.25.0";
-  hashes = {
-    # Get these from `nix-prefetch-url https://github.com/ldc-developers/ldc/releases/download/v1.19.0/ldc2-1.19.0-osx-x86_64.tar.xz` etc..
-    osx-x86_64 = "sha256-6iKnbS+oalLKmyS8qYD/wS21b7+O+VgsWG2iT4PrWPU=";
-    linux-x86_64 = "sha256-sfg47RdlsIpryc3iZvE17OtLweh3Zw6DeuNJYgpuH+o=";
-    linux-aarch64  = "sha256-UDZ43x4flSo+SfsPeE8juZO2Wtk2ZzwySk0ADHnvJBI=";
-    osx-arm64  = "sha256-O/x0vy0wwQFaDc4uWSeMhx+chJKqbQb6e5QNYf+7DCw=";
+  passthru.ldcBootstrap = ldcBootstrap;
+  passthru.tests = let
+    ldc = finalAttrs.finalPackage;
+    helloWorld = stdenv.mkDerivation (finalAttrs: {
+      name = "ldc-hello-world";
+      src = writeText "hello_world.d" ''
+        module hello_world;
+        import std.stdio;
+        void main() {
+          writeln("Hello, world!");
+        }
+      '';
+      dontUnpack = true;
+      buildInputs = [ ldc ];
+      dFlags = [];
+      buildPhase = ''
+        ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
+      '';
+      installPhase = ''
+        mkdir -p $out/bin
+        mv test $out/bin
+      '';
+    });
+  in {
+    # Without -shared, built binaries should not contain
+    # references to the compiler binaries.
+    no-references-to-compiler = helloWorld.overrideAttrs {
+      disallowedReferences = [ ldc ];
+      dFlags = ["-g"];
+    };
   };
-}
+})
 #+END_SRC
 
-#+NAME: ldc_bootstrap_1-30-0
-#+BEGIN_SRC nix
-{ callPackage }:
-callPackage ./binary.nix {
-  version = "1.30.0";
-  hashes = {
-    # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.19.0/ldc2-1.19.0-osx-x86_64.tar.xz` etc..
-    osx-x86_64 = "sha256-AAWZvxuZC82xvrW6fpYm783TY+H8k3DvqE94ZF1yjmk=";
-    linux-x86_64 = "sha256-V4TUzEfQhFrwiX07dHOgjdAoGkzausCkhnQIQNAU/eE=";
-    linux-aarch64  = "sha256-kTeglub75iv/jWWNPCn15aCGAbmck0RQl6L7bFOUu7Y=";
-    osx-arm64  = "sha256-Nb/owBdIeroB9jLMDvwjo8bvsTC9vFyJPLMTOMsSAd4=";
-  };
-}
-#+END_SRC
+**** bootstrap.nix
 
 - this is the ldc bootstrap in current use, nixpkgs:
 
+#+HEADER: :tangle "../nix-overlays/ldc/bootstrap.nix"
 #+BEGIN_SRC nix
-{ callPackage }:
-callPackage ./binary.nix {
-  version = "1.30.0";
-  hashes = {
-    # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.19.0/ldc2-1.19.0-osx-x86_64.tar.xz` etc..
-    osx-x86_64 = "sha256-AAWZvxuZC82xvrW6fpYm783TY+H8k3DvqE94ZF1yjmk=";
-    linux-x86_64 = "sha256-V4TUzEfQhFrwiX07dHOgjdAoGkzausCkhnQIQNAU/eE=";
-    linux-aarch64  = "sha256-kTeglub75iv/jWWNPCn15aCGAbmck0RQl6L7bFOUu7Y=";
-    osx-arm64  = "sha256-Nb/owBdIeroB9jLMDvwjo8bvsTC9vFyJPLMTOMsSAd4=";
-  };
-}
-#+END_SRC
-
-**** binary.nix (unaltered)
-
-#+HEADER: :tangle "../nix-overlays/ldc/binary.nix"
-#+BEGIN_SRC nix
-{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2
-, version, hashes }:
+{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
 
 let
   inherit (stdenv) hostPlatform;
   OS = if hostPlatform.isDarwin then "osx" else hostPlatform.parsed.kernel.name;
   ARCH = if hostPlatform.isDarwin && hostPlatform.isAarch64 then "arm64" else hostPlatform.parsed.cpu.name;
+  <<ldc_bootstrap_1-25-0_hashes>>
 in stdenv.mkDerivation {
   pname = "ldc-bootstrap";
   inherit version;
@@ -768,7 +759,7 @@ in stdenv.mkDerivation {
   src = fetchurl rec {
     name = "ldc2-${version}-${OS}-${ARCH}.tar.xz";
     url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/${name}";
-    sha256 = hashes."${OS}-${ARCH}" or (throw "missing bootstrap sha256 for ${OS}-${ARCH}");
+    hash = hashes."${OS}-${ARCH}" or (throw "missing bootstrap hash for ${OS}-${ARCH}");
   };
 
   dontConfigure = true;
@@ -789,7 +780,7 @@ in stdenv.mkDerivation {
   '';
 
   meta = with lib; {
-    description = "The LLVM-based D Compiler";
+    description = "LLVM-based D Compiler";
     homepage = "https://github.com/ldc-developers/ldc";
     # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
     license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
@@ -799,6 +790,35 @@ in stdenv.mkDerivation {
 }
 #+END_SRC
 
+***** bootstrap.nix version SELECT
+****** bootstrap.nix ldc2-1.25.0
+
+#+NAME: ldc_bootstrap_1-25-0_hashes
+#+BEGIN_SRC nix
+version = "1.25.0";
+hashes = {
+  # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.25.0/ldc2-1.25.0-osx-x86_64.tar.xz` etc..
+  osx-x86_64 = "sha256-6iKnbS+oalLKmyS8qYD/wS21b7+O+VgsWG2iT4PrWPU=";
+  linux-x86_64 = "sha256-sfg47RdlsIpryc3iZvE17OtLweh3Zw6DeuNJYgpuH+o=";
+  linux-aarch64  = "sha256-UDZ43x4flSo+SfsPeE8juZO2Wtk2ZzwySk0ADHnvJBI=";
+  osx-arm64  = "sha256-O/x0vy0wwQFaDc4uWSeMhx+chJKqbQb6e5QNYf+7DCw=";
+};
+#+END_SRC
+
+****** bootstrap.nix ldc2-1.30.0
+
+#+NAME: ldc_bootstrap_1-30-0_hashes
+#+BEGIN_SRC nix
+version = "1.30.0";
+hashes = {
+  # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.30.0/ldc2-1.30.0-osx-x86_64.tar.xz` etc..
+  osx-x86_64 = "sha256-AAWZvxuZC82xvrW6fpYm783TY+H8k3DvqE94ZF1yjmk=";
+  linux-x86_64 = "sha256-V4TUzEfQhFrwiX07dHOgjdAoGkzausCkhnQIQNAU/eE=";
+  linux-aarch64 = "sha256-kTeglub75iv/jWWNPCn15aCGAbmck0RQl6L7bFOUu7Y=";
+  osx-arm64 = "sha256-Nb/owBdIeroB9jLMDvwjo8bvsTC9vFyJPLMTOMsSAd4=";
+};
+#+END_SRC
+
 *** versions SET
 **** selected version SET OK ✓
 ***** version & sha256 nix composite
@@ -826,246 +846,48 @@ sha256 = "<<ldc_hash>>";
 <<ldc_llvm_set_1_39_0>>
 #+END_SRC
 
-**** 1.39 OK ✓
-***** 1.39.0 OK ✓
+**** 1.40 OK ✓
+***** 1.40.0 OK ✓
 
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.39.0.tar.gz
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.0-beta4.tar.gz
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
 
-#+NAME: ldc_version_1_39_0
+#+NAME: ldc_version_1_40_0
 #+BEGIN_SRC nix
-1.39.0
+1.40.0-beta4
 #+END_SRC
 
-#+NAME: ldc_hash_1_39_0
+#+NAME: ldc_hash_1_40_0
 #+BEGIN_SRC nix
-sha256-g5usNvYHMxjjbwsWN2fgO9vT9X2ZJWuXSUrEObWaRWI=
+sha256-AzUlWfbG/e/l9kQY3rHq+BkZAW1sRrUAAeB8yIoWZ6Q=
 #+END_SRC
 
-#+NAME: ldc_llvm_set_1_39_0
+#+NAME: ldc_llvm_set_1_40_0
 #+BEGIN_SRC nix
 llvm_18
 #+END_SRC
 
-**** 1.38 OK ✓
-***** 1.38.0 OK ✓
+**** 1.39 OK ✓
+***** 1.39.0 OK ✓
 
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.38.0.tar.gz
+- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.39.0.tar.gz
 - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
 
-#+NAME: ldc_version_1_38_0
+#+NAME: ldc_version_1_39_0
 #+BEGIN_SRC nix
-1.38.0
+1.39.0
 #+END_SRC
 
-#+NAME: ldc_hash_1_38_0
+#+NAME: ldc_hash_1_39_0
 #+BEGIN_SRC nix
-sha256-ymI47+Ai40zTB2dB+KBwxqN3GWNRxhlJpIpIyZN5844=
+sha256-ZiG0ATsY6Asu2nus3Y404fvqIwtKYoHl1JRUDU5A6mo=
 #+END_SRC
 
-#+NAME: ldc_llvm_set_1_38_0
+#+NAME: ldc_llvm_set_1_39_0
 #+BEGIN_SRC nix
 llvm_18
 #+END_SRC
 
-**** 1.37 OK ✓
-***** 1.37.0 OK ✓
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.37.0.tar.gz
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
-
-#+NAME: ldc_version_1_37_0
-#+BEGIN_SRC nix
-1.37.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_37_0
-#+BEGIN_SRC nix
-sha256-UOgK48Q2yQY3wsPUDzktwotyH3qrOh48o79PnCjboGQ=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_37_0
-#+BEGIN_SRC nix
-llvm_17
-#+END_SRC
-
-**** 1.36 OK ✓
-***** 1.36.0 OK ✓
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.36.0.tar.gz
-
-#+NAME: ldc_version_1_36_0
-#+BEGIN_SRC nix
-1.36.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_36_0
-#+BEGIN_SRC nix
-sha256-oAx5BzEjqIfBf0Rsd4KklVajUSo9Natna31Trhu41u8=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_36_0
-#+BEGIN_SRC nix
-llvm_17
-#+END_SRC
-
-**** 1.35 OK ✓
-***** 1.35.0 OK ✓
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.35.0.tar.gz
-
-#+NAME: ldc_version_1_35_0
-#+BEGIN_SRC nix
-1.35.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_35_0
-#+BEGIN_SRC nix
-sha256-bilpk3BsdsCT5gkTmqCz+HBDVfoPN1b2dY141EIm36A=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_35_0
-#+BEGIN_SRC nix
-llvm_16
-#+END_SRC
-
-**** 1.34 OK ✓
-***** 1.34.0 OK ✓
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.34.0.tar.gz
-
-#+NAME: ldc_version_1_34_0
-#+BEGIN_SRC nix
-1.34.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_34_0
-#+BEGIN_SRC nix
-sha256-MAXG6ceSWFOMg5eXZnZ6WePXTzy5CsLLDc5ddXO+txk=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_34_0
-#+BEGIN_SRC nix
-llvm_16
-#+END_SRC
-
-**** 1.33 OK ✓
-***** 1.33.0 OK ✓
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.33.0.tar.gz
-
-#+NAME: ldc_version_1_33_0
-#+BEGIN_SRC nix
-1.33.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_33_0
-#+BEGIN_SRC nix
-sha256-g0wbCMX1s6mPnvuvhjLw03fRfawcFxDkg8nuaEZYw6g=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_33_0
-#+BEGIN_SRC nix
-llvm_15
-#+END_SRC
-
-**** 1.32
-***** 1.32.2 OK ✓
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.32.1.tar.gz
-
-#+NAME: ldc_version_1_32_2
-#+BEGIN_SRC nix
-1.32.2
-#+END_SRC
-
-#+NAME: ldc_hash_1_32_2
-#+BEGIN_SRC nix
-sha256-v6Sq7nQyChJohDyI4inzObLfCVOkvLT87VLr4N2hzZU=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_32_2
-#+BEGIN_SRC nix
-llvm_15
-#+END_SRC
-
-***** 1.32.1
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.32.1.tar.gz
-
-#+NAME: ldc_version_1_32_1
-#+BEGIN_SRC nix
-1.32.1
-#+END_SRC
-
-#+NAME: ldc_hash_1_32_1
-#+BEGIN_SRC nix
-sha256-s1U7+qiVJDF+zSHrLGPG6g+acIChYnXkb9p+OrNX6g8=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_32_1
-#+BEGIN_SRC nix
-llvm_14
-#+END_SRC
-
-***** 1.32.0
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.32.0.tar.gz
-
-#+NAME: ldc_version_1_32_0
-#+BEGIN_SRC nix
-1.32.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_32_0
-#+BEGIN_SRC nix
-sha256-xO4L+RtBbdVkE1PZsme2pIYAxJnHgr6xEtLkYOMpvqw=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_32_0
-#+BEGIN_SRC nix
-llvm_14
-#+END_SRC
-
-**** 1.31
-***** 1.31.0
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.31.0.tar.gz
-
-#+NAME: ldc_version_1_31_0
-#+BEGIN_SRC nix
-1.31.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_31_0
-#+BEGIN_SRC nix
-sha256-8cjs6eHjWAbDRBvyT75mbN3Y7vN1WSwZzY/uRwHNVFg=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_31_0
-#+BEGIN_SRC nix
-llvm_14
-#+END_SRC
-
-***** 1.30.0
-
-- nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.30.0.tar.gz
-
-#+NAME: ldc_version_1_30_0
-#+BEGIN_SRC nix
-1.30.0
-#+END_SRC
-
-#+NAME: ldc_hash_1_30_0
-#+BEGIN_SRC nix
-sha256-/bs3bwgkLZF5IqaiKnc5gCF/r6MQBG/F1kWUkK8j2s0=
-#+END_SRC
-
-#+NAME: ldc_llvm_set_1_30_0
-#+BEGIN_SRC nix
-llvm_14
-#+END_SRC
-
 ** dmd OK ✓
 *** info
 **** links
@@ -1741,6 +1563,7 @@ stdenv.mkDerivation rec {
     description = "Package and build manager for D applications and libraries";
     homepage = "https://code.dlang.org/";
     license = licenses.mit;
+    mainProgram = "dub";
     maintainers = with maintainers; [ jtbx ];
     platforms = [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };