build latest NCCL from source

N/NCCL/build_tarballs.jl

@@ -1,48 +1,48 @@
+# Note that this script can accept some limited command-line arguments, run
+# `julia build_tarballs.jl --help` to see a usage message
 using BinaryBuilder, Pkg
-using Base.BinaryPlatforms: arch, os
 
 const YGGDRASIL_DIR = "../.."
 include(joinpath(YGGDRASIL_DIR, "fancy_toys.jl"))
 include(joinpath(YGGDRASIL_DIR, "platforms", "cuda.jl"))
 
 name = "NCCL"
-version = v"2.18.5"
-build = 1
+version = v"2.19.4"
 
-script = raw"""
-mkdir -p ${libdir} ${prefix}/include
-
-cd ${WORKSPACE}/srcdir/nccl*
-find .
+# Collection of sources required to complete build
+sources = [
+    GitSource("https://github.com/NVIDIA/nccl.git", "88d44d777f6970bdbf6610badcbd7e25a05380f0"),
+]
 
-install_license LICENSE.txt
+# Bash recipe for building across all platforms
+script = raw"""
+cd $WORKSPACE/srcdir
 
-mv lib/libnccl*.so* ${libdir}
-mv include/* ${prefix}/include
+cd nccl
+make -j src.build
 """
 
-augment_platform_block = CUDA.augment
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = CUDA.supported_platforms()
 
 products = [
     LibraryProduct("libnccl", :libnccl),
 ]
 
-dependencies = [RuntimeDependency(PackageSpec(name="CUDA_Runtime_jll"))]
-
-# TODO: how does compatibility work here exactly? do we support 11.0-12.2?
-#       are we correctly selecting artifacts in that case?
-builds = ["11.0", "12.0", "12.2"]
-for build in builds
-    include("build_$(build).jl")
-    cuda_version = VersionNumber(build)
-
-    for (platform, sources) in platforms_and_sources
-        augmented_platform = Platform(arch(platform), os(platform);
-                                      cuda=CUDA.platform(cuda_version))
-        should_build_platform(triplet(augmented_platform)) || continue
-        build_tarballs(ARGS, name, version, sources, script, [augmented_platform],
-                       products, dependencies; lazy_artifacts=true,
-                       julia_compat="1.6", augment_platform_block,
-                       skip_audit=true, dont_dlopen=true)
-    end
+# Dependencies that must be installed before this package can be built
+dependencies = [
+    Dependency(PackageSpec(name="CompilerSupportLibraries_jll", uuid="e66e0078-7015-5450-92f7-15fbd957f2ae")),
+]
+
+# Build for all supported CUDA toolkits
+for platform in platforms
+    should_build_platform(triplet(platform)) || continue
+
+    cuda_deps = CUDA.required_dependencies(platform)
+
+    build_tarballs(ARGS, name, version, sources, script, [platform],
+                   products, [dependencies; cuda_deps]; lazy_artifacts=true,
+                   julia_compat="1.7", CUDA.augment,
+                   skip_audit=true, dont_dlopen=true)
 end