Add BrainScaleS' cross-compiler for its embedded CPUs

packages/oppulance/package.py

+# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+from spack import *
+import os
+
+class Oppulance(Package):
+    """SDK for embedded processors on BrainScaleS-2"""
+
+    homepage = "https://github.com/electronicvisions/oppulance"
+
+    # PPU compiler dependencies
+    depends_on('gettext')
+    depends_on('zlib')
+    depends_on('bison')
+    depends_on('flex')
+    depends_on('m4')
+    depends_on('texinfo')
+    depends_on('wget')
+    conflicts('flex', when='@2.6.3', msg='Binutils 2.25 for Nux doesn\'t build with flex 2.6.3.')
+
+    releases = [
+        {
+            'version': '2.0-rc1',
+            'tag': 'ebrains_release-2-rc1'
+        },
+    ]
+
+    for release in releases:
+        version(
+            release['version'],
+            git='https://github.com/electronicvisions/oppulance',
+            tag=release['tag'],
+            expand=False,
+        )
+
+        for res in ['binutils-gdb', 'gcc', 'newlib']:
+            resource(
+                name=res,
+                git='https://github.com/electronicvisions/{}'.format(res),
+                tag=release['tag'],
+                expand=False,
+            )
+
+    def do_fetch(self, mirror_only=False):
+        super(Oppulance, self).do_fetch(mirror_only)
+        mkdirp(self.stage.source_path)
+        tar = which('tar')
+        bash = which('bash')
+        with working_dir(self.stage.source_path):
+            for key in self.resources:
+                for res in self.resources[key]:
+                    tar('xf', res.fetcher.stage.archive_file)
+            tar('xf', self.stage.archive_file)
+            bash('gcc/ci/00_download_prerequisites.sh')
+
+    def install(self, spec, prefix):
+        bash = which('bash')
+        bash('binutils-gdb/ci/00_build_install.sh')
+        bash('gcc/ci/01_build_install_freestanding.sh')
+        bash('newlib/ci/00_build_install.sh')
+        bash('oppulance/ci/00_build_install_libstdc++.sh')
+        mkdirp(spec.prefix)
+        install_tree('install/.', spec.prefix)

spack.yaml

@@ -28,6 +28,7 @@ spack:
     - py-formencode
     - tvb-framework ^binutils+ld+gold
     - pynn-brainscales@2.0-rc1 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock
+    - oppulance@2.0-rc1
     #- py-cerebstats
     #- py-cerebunit
     - py-cerebrus