nvptx-tools: add v2023-09-13 (#40897)

New changes have been made to nvptx-tools that address dropping support
for sm_30 in later CUDA versions (12.0+).

Also refactor gcc to make nvptx-tools a dependency instead of a resource.

Co-authored-by: Tamara Dahlgren <35777542+tldahlgren@users.noreply.github.com>

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

@@ -12,6 +12,7 @@
 
 import llnl.util.tty as tty
 from llnl.util.lang import classproperty
+from llnl.util.symlink import readlink
 
 import spack.platforms
 import spack.util.executable
@@ -309,14 +310,10 @@ class Gcc(AutotoolsPackage, GNUMirrorPackage):
             destination="newlibsource",
             fetch_options=timeout,
         )
-        # nvptx-tools does not seem to work as a dependency,
+
-        # but does fine when the source is inside the gcc build directory
+        nvptx_tools_ver = "2023-09-13"
-        # nvptx-tools doesn't have any releases, so grabbing the last commit
+        depends_on("nvptx-tools@" + nvptx_tools_ver, type="build")
-        resource(
+
-            name="nvptx-tools",
-            git="https://github.com/MentorEmbedded/nvptx-tools",
-            commit="d0524fbdc86dfca068db5a21cc78ac255b335be5",
-        )
         # NVPTX offloading supported in 7 and later by limited languages
         conflicts("@:6", msg="NVPTX only supported in gcc 7 and above")
         conflicts("languages=ada")
@@ -860,6 +857,28 @@ def configure_args(self):
 
         return options
 
+    # Copy nvptx-tools into the GCC install prefix
+    def copy_nvptx_tools(self):
+        nvptx_tools_bin_path = self.spec["nvptx-tools"].prefix.bin
+        gcc_bin_path = self.prefix.bin
+        mkdirp(gcc_bin_path)
+        copy_list = ["as", "ld", "nm", "run", "run-single"]
+        for file in copy_list:
+            fullname = f"nvptx-none-{file}"
+            copy(join_path(nvptx_tools_bin_path, fullname), join_path(gcc_bin_path, fullname))
+        link_list = ["ar", "ranlib"]
+        for file in link_list:
+            fullname = f"nvptx-none-{file}"
+            orig_target = readlink(join_path(nvptx_tools_bin_path, fullname))
+            symlink(orig_target, join_path(gcc_bin_path, fullname))
+        util_dir_path = join_path(self.prefix, "nvptx-none", "bin")
+        mkdirp(util_dir_path)
+        util_list = ["ar", "as", "ld", "nm", "ranlib"]
+        for file in util_list:
+            rel_target = join_path("..", "..", "bin", f"nvptx-none-{file}")
+            dest_link = join_path(util_dir_path, file)
+            symlink(rel_target, dest_link)
+
     # run configure/make/make(install) for the nvptx-none target
     # before running the host compiler phases
     @run_before("configure")
@@ -882,11 +901,7 @@ def nvptx_install(self):
             "--with-cuda-driver-lib={0}".format(spec["cuda"].libs.directories[0]),
         ]
 
-        with working_dir("nvptx-tools"):
+        self.copy_nvptx_tools()
-            configure = Executable("./configure")
-            configure(*options)
-            make()
-            make("install")
 
         pattern = join_path(self.stage.source_path, "newlibsource", "*")
         files = glob.glob(pattern)

var/spack/repos/builtin/packages/nvptx-tools/package.py

@@ -15,6 +15,7 @@ class NvptxTools(AutotoolsPackage):
     homepage = "https://github.com/MentorEmbedded/nvptx-tools"
     git = "https://github.com/MentorEmbedded/nvptx-tools"
 
+    version("2023-09-13", commit="c321f1a3573dd89a12e3291d690207685a34df6e")
     version("2021-05-21", commit="d0524fbdc86dfca068db5a21cc78ac255b335be5")
     version("2018-03-01", commit="5f6f343a302d620b0868edab376c00b15741e39e")