add custom easyblock for QEMU

easybuild/easyblocks/q/qemu.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+##
+# Copyright 2018-2025 Ghent University
+#
+# This file is part of EasyBuild,
+# originally created by the HPC team of Ghent University (http://ugent.be/hpc/en),
+# with support of Ghent University (http://ugent.be/hpc),
+# the Flemish Supercomputer Centre (VSC) (https://www.vscentrum.be),
+# Flemish Research Foundation (FWO) (http://www.fwo.be/en)
+# and the Department of Economy, Science and Innovation (EWI) (http://www.ewi-vlaanderen.be/en).
+#
+# https://github.com/easybuilders/easybuild
+#
+# EasyBuild is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation v2.
+#
+# EasyBuild is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with EasyBuild.  If not, see <http://www.gnu.org/licenses/>.
+##
+"""
+EasyBuild support for installing QEMU
+
+@author: Mikael Öhman (Chalmers University of Techonology)
+"""
+
+from easybuild.easyblocks.generic.mesonninja import MesonNinja
+from easybuild.framework.easyblock import EasyBlock
+from easybuild.framework.easyconfig import CUSTOM
+from easybuild.tools.filetools import change_dir, create_unused_dir
+from easybuild.tools.run import run_shell_cmd
+
+
+class EB_QEMU(MesonNinja):
+    """
+    Support for building and installing QEMU.
+    """
+
+    @staticmethod
+    def extra_options(extra_vars=None):
+        """Define extra easyconfig parameters specific to MesonNinja."""
+        extra_vars = EasyBlock.extra_options(extra_vars)
+        extra_vars.update({
+            'targets': [[], "targets to build, empty means automatic", CUSTOM],
+            'targets_exclude': [[], "targets to build, empty means automatic", CUSTOM],
+        })
+        return extra_vars
+
+    def configure_step(self, cmd_prefix=''):
+        """
+        Configure with QEMUs required configure script
+        """
+        builddir = create_unused_dir(self.builddir, 'easybuild_obj')
+        change_dir(builddir)
+
+        preconfigopts = self.cfg['preconfigopts']
+        configopts = self.cfg['configopts']
+
+        if self.cfg['targets']:
+            targets = '--target-list=' + ','.join(self.cfg['targets'])
+        else:
+            targets = ''
+        if self.cfg['targets_exclude']:
+            targets_exclude = '--target-list-exclude=' + ','.join(self.cfg['targets_exclude'])
+        else:
+            targets_exclude = ''
+
+        cmd = f'{preconfigopts} {self.start_dir}/configure --prefix={self.installdir} ' + \
+              f'{targets} {targets_exclude} {configopts} '
+        run_shell_cmd(cmd)