Merge pull request #982 from trws/rust

Rust

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

@@ -23,7 +23,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
 from spack import *
-import os, shutil
+import os, glob
 
 
 class Llvm(Package):
@@ -46,7 +46,9 @@ class Llvm(Package):
     variant('libcxx', default=True, description="Build the LLVM C++ standard library")
     variant('compiler-rt', default=True, description="Build the LLVM compiler runtime, including sanitizers")
     variant('gold', default=True, description="Add support for LTO with the gold linker plugin")
-
+    variant('shared_libs', default=False, description="Build all components as shared libraries, faster, less memory to build, less stable")
+    variant('link_dylib', default=False, description="Build and link the libLLVM shared library rather than static")
+    variant('all_targets', default=True, description="Build all supported targets, default targets <current arch>,NVPTX,AMDGPU,CppBackend")
 
     # Build dependency
     depends_on('cmake @2.8.12.2:')
@@ -257,6 +259,28 @@ def install(self, spec, prefix):
         if '+compiler-rt' not in spec:
             cmake_args.append('-DLLVM_EXTERNAL_COMPILER_RT_BUILD:Bool=OFF')
 
+        if '+shared_libs' in spec:
+            cmake_args.append('-DBUILD_SHARED_LIBS:Bool=ON')
+
+        if '+link_dylib' in spec:
+            cmake_args.append('-DLLVM_LINK_LLVM_DYLIB:Bool=ON')
+
+        if '+all_targets' not in spec: # all is default on cmake
+            targets = ['CppBackend', 'NVPTX', 'AMDGPU']
+            if 'x86' in spec.architecture.lower():
+                targets.append('X86')
+            elif 'arm' in spec.architecture.lower():
+                targets.append('ARM')
+            elif 'aarch64' in spec.architecture.lower():
+                targets.append('AArch64')
+            elif 'sparc' in spec.architecture.lower():
+                targets.append('sparc')
+            elif ('ppc' in spec.architecture.lower() or
+                  'power' in spec.architecture.lower()):
+                targets.append('PowerPC')
+
+            cmake_args.append('-DLLVM_TARGETS_TO_BUILD:Bool=' + ';'.join(targets))
+
         if  '+clang' not in spec:
             if '+clang_extra' in spec:
                 raise SpackException('The clang_extra variant requires the clang variant to be selected')
@@ -267,7 +291,5 @@ def install(self, spec, prefix):
             cmake(*cmake_args)
             make()
             make("install")
-            query_path = os.path.join('bin', 'clang-query')
-            # Manually install clang-query, because llvm doesn't...
-            if os.path.exists(query_path):
-                shutil.copy(query_path, os.path.join(prefix, 'bin'))
+            cp = which('cp')
+            cp('-a', 'bin/', prefix)

var/spack/repos/builtin/packages/rust-bindgen/package.py

@@ -0,0 +1,18 @@
+from spack import *
+import os
+
+
+class RustBindgen(Package):
+    """The rust programming language toolchain"""
+    homepage = "http://www.rust-lang.org"
+    url = "https://github.com/crabtw/rust-bindgen"
+
+    version('0.16', tag='0.16', git='https://github.com/crabtw/rust-bindgen')
+
+    extends("rust")
+    depends_on("llvm")
+
+    def install(self, spec, prefix):
+        env = dict(os.environ)
+        env['LIBCLANG_PATH'] = os.path.join(spec['llvm'].prefix, 'lib')
+        cargo('install', '--root', prefix, env=env)

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

@@ -0,0 +1,63 @@
+from spack import *
+import os
+
+
+def get_submodules():
+    git = which('git')
+    git('submodule', 'update', '--init', '--recursive')
+
+class Rust(Package):
+    """The rust programming language toolchain"""
+    homepage = "http://www.rust-lang.org"
+    url = "https://github.com/rust-lang/rust"
+
+    version('1.8.0', tag='1.8.0', git="https://github.com/rust-lang/rust")
+
+    resource(name='cargo',
+             git="https://github.com/rust-lang/cargo.git",
+             tag='0.10.0',
+             destination='cargo')
+
+    extendable = True
+
+    # Rust
+    depends_on("llvm")
+    depends_on("curl")
+    depends_on("git")
+    depends_on("cmake")
+    depends_on("python@:2.8")
+
+    # Cargo
+    depends_on("openssl")
+
+    def install(self, spec, prefix):
+        configure('--prefix=%s' % prefix,
+                  '--llvm-root=' + spec['llvm'].prefix)
+
+        make()
+        make("install")
+
+        # Install cargo, rust package manager
+        with working_dir(os.path.join('cargo', 'cargo')):
+            get_submodules()
+            configure('--prefix=' + prefix,
+                      '--local-rust-root=' + prefix)
+
+            make()
+            make("install")
+
+    def setup_dependent_package(self, module, ext_spec):
+        """
+        Called before python modules' install() methods.
+
+        In most cases, extensions will only need to have one or two lines::
+
+            cargo('build')
+            cargo('install', '--root', prefix)
+
+        or
+
+            cargo('install', '--root', prefix)
+        """
+        # Rust extension builds can have a global cargo executable function
+        module.cargo = Executable(join_path(self.spec.prefix.bin, 'cargo'))