From d0d6b29c9e22ed8b40b30aed64ca88abeff1b3c2 Mon Sep 17 00:00:00 2001
From: Patrick Gartung <gartung@fnal.gov>
Date: Thu, 26 Aug 2021 19:06:27 -0500
Subject: Incorporate intel-tbb-oneapi package into intel-tbb package (#25613)

* Add intel-tbb-oneapi package that does the cmake configure and build.
Compare too the intel-oneapi-tbb package which only downloads a script that contains prebuilt binaries.

* Rename package intel-tbb-cmake

* Incorporate intel-tbb-cmake into intel-tbb package
---
 .../repos/builtin/packages/intel-tbb/package.py    | 45 +++++++++++++++++++---
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/var/spack/repos/builtin/packages/intel-tbb/package.py b/var/spack/repos/builtin/packages/intel-tbb/package.py
index 89276ec5ca..5603c282d6 100644
--- a/var/spack/repos/builtin/packages/intel-tbb/package.py
+++ b/var/spack/repos/builtin/packages/intel-tbb/package.py
@@ -11,7 +11,7 @@ import sys
 from spack import *
 
 
-class IntelTbb(Package):
+class IntelTbb(CMakePackage):
     """Widely used C++ template library for task parallelism.
     Intel Threading Building Blocks (Intel TBB) lets you easily write parallel
     C++ programs that take full advantage of multicore performance, that are
@@ -24,6 +24,9 @@ class IntelTbb(Package):
     # Note: when adding new versions, please check and update the
     # patches, filters and url_for_version() below as needed.
 
+    version('2021.3.0', sha256='8f616561603695bbb83871875d2c6051ea28f8187dbe59299961369904d1d49e')
+    version('2021.2.0', sha256='cee20b0a71d977416f3e3b4ec643ee4f38cedeb2a9ff015303431dd9d8d79854')
+    version('2021.1.1', sha256='b182c73caaaabc44ddc5ad13113aca7e453af73c1690e4061f71dfe4935d74e8')
     version('2020.3', sha256='ebc4f6aa47972daed1f7bf71d100ae5bf6931c2e3144cf299c8cc7d041dca2f3',
             preferred=True)
     version('2020.2', sha256='4804320e1e6cbe3a5421997b52199e3c1a3829b2ecb6489641da4b8e32faf500')
@@ -97,7 +100,9 @@ class IntelTbb(Package):
 
     # Build and install CMake config files if we're new enough.
     # CMake support started in 2017.7.
-    depends_on('cmake@3.0.0:', type='build', when='@2017.7:')
+    depends_on('cmake@3.1.0:', type='build', when='@2017.7:')
+
+    depends_on('hwloc', when='@2021.1.1:')
 
     # Patch for pedantic warnings (#10836).  This was fixed in the TBB
     # source tree in 2019.6.
@@ -162,6 +167,7 @@ class IntelTbb(Package):
     def setup_build_environment(self, env):
         env.set('OS', platform.system())
 
+    @when('@:2020.3')
     def coerce_to_spack(self, tbb_build_subdir):
         for compiler in ["icc", "gcc", "clang"]:
             fs = glob.glob(join_path(tbb_build_subdir,
@@ -179,7 +185,16 @@ class IntelTbb(Package):
                     else:
                         of.write(lin)
 
-    def install(self, spec, prefix):
+    @when('@:2020.3')
+    def cmake(self, spec, prefix):
+        return
+
+    @when('@:2020.3')
+    def cmake_args(self):
+        return
+
+    @when('@:2020.3')
+    def build(self, spec, prefix):
         # Deactivate use of RTM with GCC when on an OS with a very old
         # assembler.
         if (spec.satisfies('%gcc@4.8.0: os=rhel6')
@@ -207,9 +222,6 @@ class IntelTbb(Package):
         else:
             tbb_compiler = "gcc"
 
-        mkdirp(prefix)
-        mkdirp(prefix.lib)
-
         make_opts = []
 
         # Static builds of TBB are enabled by including 'big_iron.inc' file
@@ -229,6 +241,11 @@ class IntelTbb(Package):
         make_opts.append("compiler={0}".format(tbb_compiler))
         make(*make_opts)
 
+    @when('@:2020.3')
+    def install(self, spec, prefix):
+        mkdirp(prefix)
+        mkdirp(prefix.lib)
+
         # install headers to {prefix}/include
         install_tree('include', prefix.include)
 
@@ -254,6 +271,7 @@ class IntelTbb(Package):
             with working_dir(join_path(self.stage.source_path, 'cmake')):
                 inspect.getmodule(self).cmake(*cmake_args)
 
+    @when('@:2020.3')
     @run_after('install')
     def darwin_fix(self):
         # Replace @rpath in ids with full path
@@ -265,3 +283,18 @@ class IntelTbb(Package):
         shared = True if '+shared' in self.spec else False
         return find_libraries(
             'libtbb*', root=self.prefix, shared=shared, recursive=True)
+
+    @when('@2021.1.1:')
+    def cmake_args(self):
+        spec = self.spec
+        options = []
+        options.append('-DCMAKE_HWLOC_2_INCLUDE_PATH=%s' %
+                       spec['hwloc'].prefix.include)
+        options.append('-DCMAKE_HWLOC_2_LIBRARY_PATH=%s' %
+                       spec['hwloc'].libs)
+        options.append('-DTBB_CPF=ON')
+        options.append('-DTBB_STRICT=OFF')
+        if spec.variants['cxxstd'].value != 'default':
+            options.append('-DCMAKE_CXX_STANDARD=%s' %
+                           spec.variants['cxxstd'].value)
+        return options
-- 
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