python3Packages.jaxlib: fix darwin build

pkgs/development/python-modules/jaxlib/default.nix

@@ -8,9 +8,11 @@
 , binutils
 , buildBazelPackage
 , buildPythonPackage
+, cctools
 , cython
 , fetchFromGitHub
 , git
+, IOKit
 , jsoncpp
 , pybind11
 , setuptools
@@ -55,8 +57,11 @@ let
     homepage = "https://github.com/google/jax";
     license = licenses.asl20;
     maintainers = with maintainers; [ ndl ];
-    platforms = [ "x86_64-linux" "aarch64-darwin" "x86_64-darwin"];
-    hydraPlatforms = ["x86_64-linux" ]; # Don't think anybody is checking the darwin builds
+    platforms = platforms.unix;
+    # aarch64-darwin is broken because of https://github.com/bazelbuild/rules_cc/pull/136
+    # however even with that fix applied, it doesn't work for everyone:
+    # https://github.com/NixOS/nixpkgs/pull/184395#issuecomment-1207287129
+    broken = stdenv.isAarch64;
   };
 
   cudatoolkit_joined = symlinkJoin {
@@ -117,6 +122,8 @@ let
     ] ++ lib.optionals cudaSupport [
       cudatoolkit
       cudnn
+    ] ++ lib.optionals stdenv.isDarwin [
+      IOKit
     ];
 
     postPatch = ''
@@ -201,9 +208,7 @@ let
 
     # Make sure Bazel knows about our configuration flags during fetching so that the
     # relevant dependencies can be downloaded.
-    bazelFetchFlags = bazel-build.bazelBuildFlags;
-
-    bazelBuildFlags = [
+    bazelFlags = [
       "-c opt"
     ] ++ lib.optional (stdenv.targetPlatform.isx86_64 && stdenv.targetPlatform.isUnix) [
       "--config=avx_posix"
@@ -211,6 +216,11 @@ let
       "--config=cuda"
     ] ++ lib.optional mklSupport [
       "--config=mkl_open_source_only"
+    ] ++ lib.optionals stdenv.cc.isClang [
+      # bazel depends on the compiler frontend automatically selecting these flags based on file
+      # extension but our clang doesn't.
+      # https://github.com/NixOS/nixpkgs/issues/150655
+      "--cxxopt=-x" "--cxxopt=c++" "--host_cxxopt=-x" "--host_cxxopt=c++"
     ];
 
     fetchAttrs = {
@@ -218,7 +228,7 @@ let
         if cudaSupport then
           "sha256-Ald+vplRx/DDG/7TfHAqD4Gktb1BGnf7FSCCJzSI0eo="
         else
-          "sha256-6acSbBNcUBw177HMVOmpV7pUfP1aFSe5cP6/zWFdGFo=";
+          "sha256-eK5IjTAncDarkWYKnXrEo7kw7J7iOH7in2L2GabnFYo=";
     };
 
     buildAttrs = {
@@ -226,8 +236,8 @@ let
 
       # Note: we cannot do most of this patching at `patch` phase as the deps are not available yet.
       # 1) Fix pybind11 include paths.
-      # 2) Force static protobuf linkage to prevent crashes on loading multiple extensions
-      #    in the same python program due to duplicate protobuf DBs.
+      # 2) Link protobuf from nixpkgs (through TF_SYSTEM_LIBS when using gcc) to prevent crashes on
+      #    loading multiple extensions in the same python program due to duplicate protobuf DBs.
       # 3) Patch python path in the compiler driver.
       # 4) Patch tensorflow sources to work with later versions of protobuf. See
       #    https://github.com/google/jax/issues/9534. Note that this should be
@@ -236,13 +246,25 @@ let
         for src in ./jaxlib/*.{cc,h}; do
           sed -i 's@include/pybind11@pybind11@g' $src
         done
-        sed -i 's@-lprotobuf@-l:libprotobuf.a@' ../output/external/org_tensorflow/third_party/systemlibs/protobuf.BUILD
-        sed -i 's@-lprotoc@-l:libprotoc.a@' ../output/external/org_tensorflow/third_party/systemlibs/protobuf.BUILD
         substituteInPlace ../output/external/org_tensorflow/tensorflow/compiler/xla/python/pprof_profile_builder.cc \
           --replace "status.message()" "std::string{status.message()}"
+        substituteInPlace ../output/external/rules_cc/cc/private/toolchain/osx_cc_wrapper.sh.tpl \
+          --replace "/usr/bin/install_name_tool" "${cctools}/bin/install_name_tool"
+        substituteInPlace ../output/external/rules_cc/cc/private/toolchain/unix_cc_configure.bzl \
+          --replace "/usr/bin/libtool" "${cctools}/bin/libtool"
       '' + lib.optionalString cudaSupport ''
         patchShebangs ../output/external/org_tensorflow/third_party/gpus/crosstool/clang/bin/crosstool_wrapper_driver_is_not_gcc.tpl
-      '';
+      '' + lib.optionalString stdenv.isDarwin ''
+        # Framework search paths aren't added by bintools hook
+        # https://github.com/NixOS/nixpkgs/pull/41914
+        export NIX_LDFLAGS+=" -F${IOKit}/Library/Frameworks"
+      '' + (if stdenv.cc.isGNU then ''
+        sed -i 's@-lprotobuf@-l:libprotobuf.a@' ../output/external/org_tensorflow/third_party/systemlibs/protobuf.BUILD
+        sed -i 's@-lprotoc@-l:libprotoc.a@' ../output/external/org_tensorflow/third_party/systemlibs/protobuf.BUILD
+      '' else if stdenv.cc.isClang then ''
+        sed -i 's@-lprotobuf@${pkgs.protobuf}/lib/libprotobuf.a@' ../output/external/org_tensorflow/third_party/systemlibs/protobuf.BUILD
+        sed -i 's@-lprotoc@${pkgs.protobuf}/lib/libprotoc.a@' ../output/external/org_tensorflow/third_party/systemlibs/protobuf.BUILD
+      '' else throw "Unsupported stdenv.cc: ${stdenv.cc}");
 
       installPhase = ''
         ./bazel-bin/build/build_wheel --output_path=$out --cpu=${stdenv.targetPlatform.linuxArch}
@@ -251,13 +273,21 @@ let
 
     inherit meta;
   };
+  platformTag =
+    if stdenv.targetPlatform.isLinux then
+      "manylinux2010_${stdenv.targetPlatform.linuxArch}"
+    else if stdenv.system == "x86_64-darwin" then
+      "macosx_10_9_${stdenv.targetPlatform.linuxArch}"
+    else if stdenv.system == "aarch64-darwin" then
+      "macosx_11_0_${stdenv.targetPlatform.linuxArch}"
+    else throw "Unsupported target platform: ${stdenv.targetPlatform}";
 
 in
 buildPythonPackage {
   inherit meta pname version;
   format = "wheel";
 
-  src = "${bazel-build}/jaxlib-${version}-cp${builtins.replaceStrings ["."] [""] python.pythonVersion}-none-manylinux2010_${stdenv.targetPlatform.linuxArch}.whl";
+  src = "${bazel-build}/jaxlib-${version}-cp${builtins.replaceStrings ["."] [""] python.pythonVersion}-none-${platformTag}.whl";
 
   # Note that cudatoolkit is necessary since jaxlib looks for "ptxas" in $PATH.
   # See https://github.com/NixOS/nixpkgs/pull/164176#discussion_r828801621 for

pkgs/top-level/python-packages.nix

@@ -4558,12 +4558,17 @@ in {
     cudaPackages = pkgs.cudaPackages_11_6;
   };
 
-  jaxlib-build = callPackage ../development/python-modules/jaxlib {
+  jaxlib-build = callPackage ../development/python-modules/jaxlib rec {
+    inherit (pkgs.darwin) cctools;
+    buildBazelPackage = pkgs.buildBazelPackage.override {
+      stdenv = if stdenv.isDarwin then pkgs.darwin.apple_sdk_11_0.stdenv else stdenv;
+    };
     # Some platforms don't have `cudaSupport` defined, hence the need for 'or false'.
     cudaSupport = pkgs.config.cudaSupport or false;
     # At the time of writing (2022-04-18), `cudaPackages.nccl` is broken, so we
     # pin to `cudaPackages_11_6` instead.
     cudaPackages = pkgs.cudaPackages_11_6;
+    IOKit = pkgs.darwin.apple_sdk_11_0.IOKit;
   };
 
   jaxlib = self.jaxlib-build;