From bf03edb51b2c5e46501ed43d97d63f32264edefe Mon Sep 17 00:00:00 2001 From: Omar Padron Date: Mon, 25 Mar 2019 20:43:18 -0400 Subject: LLVM package: disable CUDA (#10858) This avoids using a system-installed CUDA package. In the future a variant can be added to allow using Spack-installed CUDA, but for now CUDA support is always disabled. --- var/spack/repos/builtin/packages/llvm/package.py | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py index 4f7e1583a0..a2e6ae1a94 100644 --- a/var/spack/repos/builtin/packages/llvm/package.py +++ b/var/spack/repos/builtin/packages/llvm/package.py @@ -30,6 +30,17 @@ class Llvm(CMakePackage): variant('clang', default=True, description="Build the LLVM C/C++/Objective-C compiler frontend") + + # TODO: The current version of this package unconditionally disables CUDA. + # Better would be to add a "cuda" variant that: + # - Adds dependency on the "cuda" package when enabled + # - Sets the necessary CMake flags when enabled + # - Disables CUDA (as this current version does) only when the + # variant is also disabled. + + # variant('cuda', default=False, + # description="Build the LLVM with CUDA features enabled") + variant('lldb', default=True, description="Build the LLVM debugger") variant('lld', default=True, description="Build the LLVM linker") variant('internal_unwind', default=True, @@ -588,6 +599,14 @@ class Llvm(CMakePackage): '-DPYTHON_EXECUTABLE:PATH={0}'.format(spec['python'].command.path), ] + # TODO: Instead of unconditionally disabling CUDA, add a "cuda" variant + # (see TODO above), and set the paths if enabled. + cmake_args.extend([ + '-DCUDA_TOOLKIT_ROOT_DIR:PATH=IGNORE', + '-DCUDA_SDK_ROOT_DIR:PATH=IGNORE', + '-DCUDA_NVCC_EXECUTABLE:FILEPATH=IGNORE', + '-DLIBOMPTARGET_DEP_CUDA_DRIVER_LIBRARIES:STRING=IGNORE']) + if '+gold' in spec: cmake_args.append('-DLLVM_BINUTILS_INCDIR=' + spec['binutils'].prefix.include) -- cgit v1.2.3-60-g2f50