Merge master into staging

25 files changed, 81 insertions, 31 deletions

diff --git a/pkgs/development/compilers/fsharp/default.nix b/pkgs/development/compilers/fsharp/default.nix
index 5c1f931da9a..f9f083f04d7 100644
--- a/pkgs/development/compilers/fsharp/default.nix
+++ b/pkgs/development/compilers/fsharp/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A functional CLI language";
-    homepage = http://fsharp.org/;
+    homepage = https://fsharp.org/;
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [ thoughtpolice raskin ];
     platforms = with stdenv.lib.platforms; unix;
diff --git a/pkgs/development/compilers/fsharp41/default.nix b/pkgs/development/compilers/fsharp41/default.nix
index 354723dfa74..3ce7ae60e11 100644
--- a/pkgs/development/compilers/fsharp41/default.nix
+++ b/pkgs/development/compilers/fsharp41/default.nix
@@ -79,7 +79,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A functional CLI language";
-    homepage = http://fsharp.org/;
+    homepage = https://fsharp.org/;
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [ thoughtpolice raskin ];
     platforms = with stdenv.lib.platforms; unix;
diff --git a/pkgs/development/compilers/gcc/7/default.nix b/pkgs/development/compilers/gcc/7/default.nix
index fab9b8fe745..d671743ee62 100644
--- a/pkgs/development/compilers/gcc/7/default.nix
+++ b/pkgs/development/compilers/gcc/7/default.nix
@@ -254,6 +254,9 @@ stdenv.mkDerivation ({
     ++ (optional hostPlatform.isDarwin targetPackages.stdenv.cc.bintools)
     ;
 
+  # TODO: Use optionalString with next rebuild.
+  ${if (stdenv.cc.isClang && langFortran) then "NIX_CFLAGS_COMPILE" else null} = "-Wno-unused-command-line-argument";
+
   NIX_LDFLAGS = stdenv.lib.optionalString  hostPlatform.isSunOS "-lm -ldl";
 
   preConfigure = stdenv.lib.optionalString (hostPlatform.isSunOS && hostPlatform.is64bit) ''
diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
index 2d49742c651..fefd07b1204 100644
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ b/pkgs/development/compilers/ghc/8.2.2.nix
@@ -8,7 +8,7 @@
 
 , libffi, libiconv ? null, ncurses
 
-, useLLVM ? !targetPlatform.isx86
+, useLLVM ? !targetPlatform.isx86 || targetPlatform.isMusl
 , # LLVM is conceptually a run-time-only depedendency, but for
   # non-x86, we need LLVM to bootstrap later stages, so it becomes a
   # build-time dependency too.
diff --git a/pkgs/development/compilers/ghc/8.4.3.nix b/pkgs/development/compilers/ghc/8.4.3.nix
index ac3578927bd..4d2f3894f17 100644
--- a/pkgs/development/compilers/ghc/8.4.3.nix
+++ b/pkgs/development/compilers/ghc/8.4.3.nix
@@ -7,7 +7,7 @@
 
 , libffi, libiconv ? null, ncurses
 
-, useLLVM ? !targetPlatform.isx86
+, useLLVM ? !targetPlatform.isx86 || targetPlatform.isMusl
 , # LLVM is conceptually a run-time-only depedendency, but for
   # non-x86, we need LLVM to bootstrap later stages, so it becomes a
   # build-time dependency too.
diff --git a/pkgs/development/compilers/kotlin/default.nix b/pkgs/development/compilers/kotlin/default.nix
index 76f29eeaa0c..34205123003 100644
--- a/pkgs/development/compilers/kotlin/default.nix
+++ b/pkgs/development/compilers/kotlin/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, makeWrapper, jre, unzip }:
 
 let
-  version = "1.2.41";
+  version = "1.2.50";
 in stdenv.mkDerivation rec {
   inherit version;
   name = "kotlin-${version}";
 
   src = fetchurl {
     url = "https://github.com/JetBrains/kotlin/releases/download/v${version}/kotlin-compiler-${version}.zip";
-    sha256 = "0p16xl2qhm7913abd06vvmsx956ny51jjfr6knkmrnk8y9r2g1xg";
+    sha256 = "1abis73ij334vfwn9k4s9rsa1va7h31a9g97g84i2rrp7cq2q1mw";
   };
 
   propagatedBuildInputs = [ jre ] ;
diff --git a/pkgs/development/compilers/llvm/3.8/clang/default.nix b/pkgs/development/compilers/llvm/3.8/clang/default.nix
index 05893704d87..cc25a41b040 100644
--- a/pkgs/development/compilers/llvm/3.8/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.8/clang/default.nix
@@ -13,7 +13,8 @@ let
       mv clang-tools-extra-* $sourceRoot/tools/extra
     '';
 
-    buildInputs = [ cmake libxml2 llvm python ];
+    nativeBuildInputs = [ cmake ];
+    buildInputs = [ libxml2 llvm python ];
 
     cmakeFlags = [
       "-DCMAKE_CXX_FLAGS=-std=c++11"
@@ -27,6 +28,8 @@ let
     postPatch = ''
       sed -i -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/Tools.cpp
       sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
+    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+      sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/Tools.cpp
     '';
 
     outputs = [ "out" "lib" "python" ];
diff --git a/pkgs/development/compilers/llvm/3.8/libc++/default.nix b/pkgs/development/compilers/llvm/3.8/libc++/default.nix
index cc3f5545146..5a0410302f2 100644
--- a/pkgs/development/compilers/llvm/3.8/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.8/libc++/default.nix
@@ -17,15 +17,22 @@ stdenv.mkDerivation rec {
   patches = [
     # glibc 2.26 fix
     ../../3.9/libc++/xlocale-glibc-2.26.patch
-  ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
+  ]
+  ++ lib.optional stdenv.isDarwin ./darwin.patch
+  ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    ../../libcxx-0001-musl-hacks.patch
+    ../../libcxx-max_align_t.patch
+  ];
+
+  nativeBuildInputs = [ cmake ];
 
-  buildInputs = [ cmake libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
+  buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
 
   cmakeFlags = [
     "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
     "-DLIBCXX_LIBCPPABI_VERSION=2"
     "-DLIBCXX_CXX_ABI=libcxxabi"
-  ];
+  ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1";
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/compilers/llvm/3.8/libc++abi.nix b/pkgs/development/compilers/llvm/3.8/libc++abi.nix
index 45fb7b5be4f..8b25681c2db 100644
--- a/pkgs/development/compilers/llvm/3.8/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/3.8/libc++abi.nix
@@ -15,6 +15,9 @@ stdenv.mkDerivation {
     export cmakeFlags="-DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_INCLUDES=$PWD/$(ls -d libcxx-*)/include"
   '' + stdenv.lib.optionalString stdenv.isDarwin ''
     export TRIPLE=x86_64-apple-darwin
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-max_align_t.patch}
   '';
 
   installPhase = if stdenv.isDarwin
diff --git a/pkgs/development/compilers/llvm/3.8/llvm.nix b/pkgs/development/compilers/llvm/3.8/llvm.nix
index 2c65234b6a4..b847a67e7e3 100644
--- a/pkgs/development/compilers/llvm/3.8/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.8/llvm.nix
@@ -36,8 +36,12 @@ in stdenv.mkDerivation rec {
 
   # Fix a segfault in llc
   # See http://lists.llvm.org/pipermail/llvm-dev/2016-October/106500.html
-  patches = [ ./D17533-1.patch ] ++
-    stdenv.lib.optionals (!stdenv.isDarwin) [./fix-llvm-config.patch];
+  patches = [ ./D17533-1.patch ]
+   ++ stdenv.lib.optional (!stdenv.isDarwin) ./fix-llvm-config.patch
+   ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+     ../TLI-musl.patch
+     ../dynamiclibrary-musl.patch
+   ];
 
   # hacky fix: New LLVM releases require a newer macOS SDK than
   # 10.9. This is a temporary measure until nixpkgs darwin support is
@@ -49,7 +53,7 @@ in stdenv.mkDerivation rec {
       --replace 'set(CMAKE_INSTALL_NAME_DIR "@rpath")' "set(CMAKE_INSTALL_NAME_DIR "$out/lib")" \
       --replace 'set(CMAKE_INSTALL_RPATH "@executable_path/../lib")' ""
   ''
-  + stdenv.lib.optionalString (stdenv ? glibc) ''
+  + ''
     (
       cd projects/compiler-rt
       patch -p1 < ${
@@ -81,6 +85,14 @@ in stdenv.mkDerivation rec {
     ++ stdenv.lib.optionals ( isDarwin) [
     "-DLLVM_ENABLE_LIBCXX=ON"
     "-DCAN_TARGET_i386=false"
+  ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.targetPlatform.config}"
+    "-DTARGET_TRIPLE=${stdenv.targetPlatform.config}"
+    # Not yet supported
+    "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
+    "-DCOMPILER_RT_BUILD_XRAY=OFF"
+
   ];
 
   postBuild = ''
diff --git a/pkgs/development/compilers/llvm/3.9/clang/default.nix b/pkgs/development/compilers/llvm/3.9/clang/default.nix
index 1f6d80ab3be..f597c559dba 100644
--- a/pkgs/development/compilers/llvm/3.9/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.9/clang/default.nix
@@ -29,6 +29,8 @@ let
     postPatch = ''
       sed -i -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/Tools.cpp
       sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
+    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+      sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/Tools.cpp
     '';
 
     outputs = [ "out" "lib" "python" ];
diff --git a/pkgs/development/compilers/llvm/3.9/libc++/default.nix b/pkgs/development/compilers/llvm/3.9/libc++/default.nix
index 7e5c30bdfd3..bd2cc19d2e0 100644
--- a/pkgs/development/compilers/llvm/3.9/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.9/libc++/default.nix
@@ -17,15 +17,21 @@ stdenv.mkDerivation rec {
   patches = [
     # glibc 2.26 fix
     ./xlocale-glibc-2.26.patch
-  ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
+  ]
+  ++ lib.optional stdenv.isDarwin ./darwin.patch
+  ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    ../../libcxx-0001-musl-hacks.patch
+    ../../libcxx-max_align_t.patch
+  ];
 
-  buildInputs = [ cmake libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
 
   cmakeFlags = [
-      "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
-      "-DLIBCXX_LIBCPPABI_VERSION=2"
-      "-DLIBCXX_CXX_ABI=libcxxabi"
-    ];
+    "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
+    "-DLIBCXX_LIBCPPABI_VERSION=2"
+    "-DLIBCXX_CXX_ABI=libcxxabi"
+  ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1";
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/compilers/llvm/3.9/libc++abi.nix b/pkgs/development/compilers/llvm/3.9/libc++abi.nix
index dc508757ab6..dffb207a32b 100644
--- a/pkgs/development/compilers/llvm/3.9/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/3.9/libc++abi.nix
@@ -15,6 +15,9 @@ stdenv.mkDerivation {
     export cmakeFlags="-DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_INCLUDES=$PWD/$(ls -d libcxx-*)/include"
   '' + stdenv.lib.optionalString stdenv.isDarwin ''
     export TRIPLE=x86_64-apple-darwin
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-max_align_t.patch}
   '';
 
   installPhase = if stdenv.isDarwin
diff --git a/pkgs/development/compilers/llvm/3.9/llvm.nix b/pkgs/development/compilers/llvm/3.9/llvm.nix
index 71b67aa7dc5..708e471bd4a 100644
--- a/pkgs/development/compilers/llvm/3.9/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.9/llvm.nix
@@ -62,7 +62,10 @@ in stdenv.mkDerivation rec {
       url = https://github.com/llvm-mirror/llvm/commit/5340b5b3d970069aebf3dde49d8964583742e01a.patch;
       sha256 = "095f8knplwqbc2p7rad1kq8633i34qynni9jna93an7kyc80wdxl";
    })
-  ];
+   ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+     ../TLI-musl.patch
+     ../dynamiclibrary-musl.patch
+   ];
 
   postPatch = ""
   + ''
@@ -91,7 +94,7 @@ in stdenv.mkDerivation rec {
     substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
     patch -p1 < ./llvm-outputs.patch
   ''
-  + stdenv.lib.optionalString (stdenv ? glibc) ''
+  + ''
     (
       cd projects/compiler-rt
       patch -p1 < ${
@@ -129,6 +132,14 @@ in stdenv.mkDerivation rec {
   ] ++ stdenv.lib.optionals (buildPlatform != hostPlatform) [
     "-DCMAKE_CROSSCOMPILING=True"
     "-DLLVM_TABLEGEN=${buildPackages.llvmPackages_39.llvm}/bin/llvm-tblgen"
+  ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.targetPlatform.config}"
+    "-DTARGET_TRIPLE=${stdenv.targetPlatform.config}"
+    # Not yet supported
+    "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
+    "-DCOMPILER_RT_BUILD_XRAY=OFF"
+
   ];
 
   postBuild = ''
diff --git a/pkgs/development/compilers/llvm/4/libc++/default.nix b/pkgs/development/compilers/llvm/4/libc++/default.nix
index 718abc420a9..6ce9c0d4792 100644
--- a/pkgs/development/compilers/llvm/4/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/4/libc++/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     ./xlocale-glibc-2.26.patch
   ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
     ../../libcxx-0001-musl-hacks.patch
-    ./max_align_t.patch
+    ../../libcxx-max_align_t.patch
   ];
 
   prePatch = ''
diff --git a/pkgs/development/compilers/llvm/4/libc++abi.nix b/pkgs/development/compilers/llvm/4/libc++abi.nix
index 41eb40e124e..5eeec395b97 100644
--- a/pkgs/development/compilers/llvm/4/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/4/libc++abi.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     export TRIPLE=x86_64-apple-darwin
   '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
     patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
-    patch -p1 -d $(ls -d libcxx-*) -i ${./libc++/max_align_t.patch}
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-max_align_t.patch}
   '';
 
   installPhase = if stdenv.isDarwin
diff --git a/pkgs/development/compilers/llvm/4/llvm.nix b/pkgs/development/compilers/llvm/4/llvm.nix
index a371296db32..06bcd74456c 100644
--- a/pkgs/development/compilers/llvm/4/llvm.nix
+++ b/pkgs/development/compilers/llvm/4/llvm.nix
@@ -83,7 +83,7 @@ in stdenv.mkDerivation (rec {
     patch -p0 < ${../aarch64.patch}
   '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
     patch -p1 -i ${../TLI-musl.patch}
-    patch -p1 -i ${./dynamiclibrary-musl.patch}
+    patch -p1 -i ${../dynamiclibrary-musl.patch}
     patch -p1 -i ${./sanitizers-nongnu.patch} -d projects/compiler-rt
   '';
 
diff --git a/pkgs/development/compilers/llvm/4/dynamiclibrary-musl.patch b/pkgs/development/compilers/llvm/dynamiclibrary-musl.patch
index d5d7f07b5e1..d5d7f07b5e1 100644
--- a/pkgs/development/compilers/llvm/4/dynamiclibrary-musl.patch
+++ b/pkgs/development/compilers/llvm/dynamiclibrary-musl.patch
diff --git a/pkgs/development/compilers/llvm/4/libc++/max_align_t.patch b/pkgs/development/compilers/llvm/libcxx-max_align_t.patch
index 060be5b23de..060be5b23de 100644
--- a/pkgs/development/compilers/llvm/4/libc++/max_align_t.patch
+++ b/pkgs/development/compilers/llvm/libcxx-max_align_t.patch
diff --git a/pkgs/development/compilers/nasm/default.nix b/pkgs/development/compilers/nasm/default.nix
index 89dd7dc3fdc..1676ce4884d 100644
--- a/pkgs/development/compilers/nasm/default.nix
+++ b/pkgs/development/compilers/nasm/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.nasm.us/;
+    homepage = https://www.nasm.us/;
     description = "An 80x86 and x86-64 assembler designed for portability and modularity";
     platforms = platforms.unix;
     maintainers = with maintainers; [ pSub willibutz ];
diff --git a/pkgs/development/compilers/neko/default.nix b/pkgs/development/compilers/neko/default.nix
index 42a585ff51f..e2aa5736c7a 100644
--- a/pkgs/development/compilers/neko/default.nix
+++ b/pkgs/development/compilers/neko/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A high-level dynamically typed programming language";
-    homepage = http://nekovm.org;
+    homepage = https://nekovm.org;
     license = licenses.lgpl21;
     maintainers = [ maintainers.marcweber ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/compilers/nim/default.nix b/pkgs/development/compilers/nim/default.nix
index de383410b9c..a4b706d35aa 100644
--- a/pkgs/development/compilers/nim/default.nix
+++ b/pkgs/development/compilers/nim/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "45c74adb35f08dfa9add1112ae17330e5d902ebb4a36e7046caee8b79e6f3bd0";
   };
 
-  doCheck = true;
+  doCheck = !stdenv.isDarwin;
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/compilers/ocaml/4.07.nix b/pkgs/development/compilers/ocaml/4.07.nix
index b39d57cc092..5a3e75e648d 100644
--- a/pkgs/development/compilers/ocaml/4.07.nix
+++ b/pkgs/development/compilers/ocaml/4.07.nix
@@ -1,8 +1,8 @@
 import ./generic.nix {
   major_version = "4";
   minor_version = "07";
-  patch_version = "0+beta2";
-  sha256 = "0rrvl47kq982z2ns7cnasmlbj60mpmza2zyhl1kh45c5a3n7692n";
+  patch_version = "0+rc1";
+  sha256 = "0ggzh078k68na2mahj3nrqkl57i1iv9aymlz8mmlcd8hbvp1fcn8";
 
   # If the executable is stripped it does not work
   dontStrip = true;
diff --git a/pkgs/development/compilers/opendylan/bin.nix b/pkgs/development/compilers/opendylan/bin.nix
index d3f654749b0..1abf44f2349 100644
--- a/pkgs/development/compilers/opendylan/bin.nix
+++ b/pkgs/development/compilers/opendylan/bin.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://opendylan.org;
+    homepage = https://opendylan.org;
     description = "A multi-paradigm functional and object-oriented programming language";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/compilers/opendylan/default.nix b/pkgs/development/compilers/opendylan/default.nix
index 95f4dc5b215..d00080282d7 100644
--- a/pkgs/development/compilers/opendylan/default.nix
+++ b/pkgs/development/compilers/opendylan/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation {
   postInstall = "wrapProgram $out/bin/dylan-compiler --suffix PATH : ${gcc}/bin";
 
   meta = {
-    homepage = http://opendylan.org;
+    homepage = https://opendylan.org;
     description = "A multi-paradigm functional and object-oriented programming language";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;