Added 'ldc' compiler for D language based on LLVM (#5279)

var/spack/repos/builtin/packages/ldc-bootstrap/package.py

@@ -0,0 +1,65 @@
+##############################################################################
+# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program 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 terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class LdcBootstrap(CMakePackage):
+    """The LDC project aims to provide a portable D programming language
+    compiler with modern optimization and code generation capabilities.
+
+    LDC is fully Open Source; the parts of the code not taken/adapted from
+    other projects are BSD-licensed (see the LICENSE file for details).
+
+    Consult the D wiki for further information: http://wiki.dlang.org/LDC
+
+    This old version of the compiler is needed to bootstrap newer ones.
+    """
+
+    homepage = "https://dlang.org/"
+    url = "https://github.com/ldc-developers/ldc/releases/download/v0.17.4/ldc-0.17.4-src.tar.gz"
+
+    # This is the last version that does not require a D compiler to bootstrap
+    version('0.17.4', '000e006426d6094fabd2a2bdab0ff0b7')
+
+    depends_on('llvm@3.7:')
+    depends_on('zlib')
+    depends_on('libconfig')
+    depends_on('curl')
+    depends_on('libedit')
+    depends_on('binutils')
+
+    def setup_dependent_environment(self, build_env, run_env, dep_spec):
+
+        # The code below relies on this function being executed after the
+        # environment has been sanitized (because LD_LIBRARY_PATH is among
+        # the variables that get unset)
+
+        # We need libphobos in LD_LIBRARY_PATH
+        build_env.prepend_path('LD_LIBRARY_PATH', self.prefix.lib)
+
+    def cmake_args(self):
+        return [
+            '-DBUILD_SHARED_LIBS:BOOL=ON'
+        ]

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

@@ -0,0 +1,85 @@
+##############################################################################
+# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program 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 terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Ldc(CMakePackage):
+    """The LDC project aims to provide a portable D programming language
+    compiler with modern optimization and code generation capabilities.
+
+    LDC is fully Open Source; the parts of the code not taken/adapted from
+    other projects are BSD-licensed (see the LICENSE file for details).
+
+    Consult the D wiki for further information: http://wiki.dlang.org/LDC
+    """
+
+    homepage = "https://dlang.org/"
+    url = "https://github.com/ldc-developers/ldc/releases/download/v0.17.4/ldc-0.17.4-src.tar.gz"
+
+    version('1.3.0', '537d992a361b0fd0440b24a5145c9107')
+
+    variant(
+        'shared',
+        default=True,
+        description='Build runtime and tooling as shared libs'
+    )
+
+    depends_on('llvm@3.9:')
+    depends_on('zlib')
+    depends_on('libconfig')
+    depends_on('curl')
+    depends_on('libedit')
+    depends_on('binutils', type=('build', 'link', 'run'))
+    depends_on('ldc-bootstrap', type=('build', 'link'))
+
+    provides('D@2')
+
+    def cmake_args(self):
+        ldmd2 = self.spec['ldc-bootstrap'].prefix.bin.ldmd2
+
+        args = [
+            '-DD_COMPILER:STRING={0}'.format(ldmd2),
+            '-DBUILD_SHARED_LIBS:BOOL={0}'.format(
+                'ON' if '+shared' in self.spec else 'OFF'
+            ),
+            '-DLDC_INSTALL_LTOPLUGIN:BOOL=ON',
+            '-DLDC_BUILD_WITH_LTO:BOOL=OFF'
+        ]
+
+        return args
+
+    @run_after('install')
+    def add_rpath_to_conf(self):
+
+        # Here we modify the configuration file for ldc2 to inject flags
+        # that will rpath the standard library location
+
+        config_file = join_path(self.prefix.etc, 'ldc2.conf')
+
+        search_for = 'switches = \['
+        substitute_with = 'switches = [\n' + \
+                          '        "-L-rpath={0}",'.format(self.prefix.lib)
+
+        filter_file(search_for, substitute_with, config_file)