PyTorch: build with external sleef (#40763)

Co-authored-by: adamjstewart <adamjstewart@users.noreply.github.com>

var/spack/repos/builtin/packages/py-torch/package.py

@@ -194,10 +194,8 @@ class PyTorch(PythonPackage, CudaPackage, ROCmPackage):
     # depends_on("cpuinfo@2022-08-19", when="@1.13:2.0")
     # depends_on("cpuinfo@2020-12-17", when="@1.8:1.12")
     # depends_on("cpuinfo@2020-06-11", when="@1.6:1.7")
-    # https://github.com/shibatch/sleef/issues/427
+    depends_on("sleef@3.5.1_2020-12-22", when="@1.8:")
-    # depends_on("sleef@3.5.1_2020-12-22", when="@1.8:")
+    depends_on("sleef@3.4.0_2019-07-30", when="@1.6:1.7")
-    # https://github.com/pytorch/pytorch/issues/60334
-    # depends_on("sleef@3.4.0_2019-07-30", when="@1.6:1.7")
     depends_on("fp16@2020-05-14", when="@1.6:")
     depends_on("pthreadpool@2021-04-13", when="@1.9:")
     depends_on("pthreadpool@2020-10-05", when="@1.8")
@@ -308,11 +306,6 @@ class PyTorch(PythonPackage, CudaPackage, ROCmPackage):
     # Fixes build error when ROCm is enabled for pytorch-1.5 release
     patch("rocm.patch", when="@1.5+rocm")
 
-    # Fixes fatal error: sleef.h: No such file or directory
-    # https://github.com/pytorch/pytorch/pull/35359
-    # https://github.com/pytorch/pytorch/issues/26555
-    # patch("sleef.patch", when="@:1.5")
-
     # Fixes compilation with Clang 9.0.0 and Apple Clang 11.0.3
     # https://github.com/pytorch/pytorch/pull/37086
     patch(
@@ -628,13 +621,11 @@ def enable_or_disable(variant, keyword="USE", var=None, newer=False):
         env.set("pybind11_INCLUDE_DIR", self.spec["py-pybind11"].prefix.include)
         if self.spec.satisfies("@1.10:"):
             env.set("USE_SYSTEM_PYBIND11", "ON")
-        # https://github.com/pytorch/pytorch/issues/60334
-        # if self.spec.satisfies("@1.8:"):
-        #     env.set("USE_SYSTEM_SLEEF", "ON")
         if self.spec.satisfies("@1.6:"):
             # env.set("USE_SYSTEM_LIBS", "ON")
             # https://github.com/pytorch/pytorch/issues/60329
             # env.set("USE_SYSTEM_CPUINFO", "ON")
+            env.set("USE_SYSTEM_SLEEF", "ON")
             env.set("USE_SYSTEM_GLOO", "ON")
             env.set("USE_SYSTEM_FP16", "ON")
             env.set("USE_SYSTEM_PTHREADPOOL", "ON")

var/spack/repos/builtin/packages/py-torch/sleef.patch

@@ -1,12 +0,0 @@
-diff --git a/caffe2/CMakeLists.txt b/caffe2/CMakeLists.txt
-index 8025a7de3c..2e5cdbb5c9 100644
---- a/caffe2/CMakeLists.txt
-+++ b/caffe2/CMakeLists.txt
-@@ -1232,6 +1232,7 @@ if (BUILD_TEST)
-     add_executable(${test_name} "${test_src}")
-     target_link_libraries(${test_name} ${Caffe2_MAIN_LIBS} gtest_main)
-     target_include_directories(${test_name} PRIVATE $<INSTALL_INTERFACE:include>)
-+    target_include_directories(${test_name} PRIVATE $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>)
-     target_include_directories(${test_name} PRIVATE ${Caffe2_CPU_INCLUDE})
-     add_test(NAME ${test_name} COMMAND $<TARGET_FILE:${test_name}>)
-     if (INSTALL_TEST)

var/spack/repos/builtin/packages/sleef/package.py

@@ -14,9 +14,7 @@ class Sleef(CMakePackage):
     git = "https://github.com/shibatch/sleef.git"
 
     version("master", branch="master")
-    version(
+    version("3.5.1_2020-12-22", commit="e0a003ee838b75d11763aa9c3ef17bf71a725bff")  # py-torch@1.8:
-        "3.5.1_2020-12-22", commit="e0a003ee838b75d11763aa9c3ef17bf71a725bff"
-    )  # py-torch@1.8:1.9
     version(
         "3.5.1",
         sha256="415ee9b1bcc5816989d3d4d92afd0cd3f9ee89cbd5a33eb008e69751e40438ab",
@@ -40,17 +38,25 @@ class Sleef(CMakePackage):
     )  # py-torch@0.4.1:1.0
     version("3.2", sha256="3130c5966e204e6d6a3ace81e543d12b5b21f60897f1c185bfa587c1bd77bee2")
 
-    # Some versions have ICE when building RelWithDebInfo with GCC 7
+    # https://github.com/shibatch/sleef/issues/474
-    # See https://github.com/shibatch/sleef/issues/234
+    conflicts("%apple-clang@15:")
-    # See https://github.com/pytorch/pytorch/issues/26892
-    # See https://github.com/pytorch/pytorch/pull/26993
 
     generator("ninja")
     depends_on("cmake@3.4.3:", type="build")
 
+    # # https://github.com/shibatch/sleef/issues/475
+    # depends_on("fftw-api")
+    # depends_on("mpfr")
+    # depends_on("openssl")
+
+    # # https://github.com/shibatch/sleef/issues/458
+    # conflicts("^mpfr@4.2:")
+
     def cmake_args(self):
+        # Taken from PyTorch's aten/src/ATen/CMakeLists.txt
         return [
-            self.define("DISABLE_FFTW", True),
+            self.define("BUILD_SHARED_LIBS", False),
-            self.define("DISABLE_MPFR", True),
+            self.define("BUILD_DFT", False),
-            self.define("DISABLE_SSL", True),
+            self.define("BUILD_GNUABI_LIBS", False),
+            self.define("BUILD_TESTS", False),
         ]