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Sergio Sánchez Ramírez
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prototype bazel toolchain
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‎src/BuildToolchains.jl‎

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Original file line numberDiff line numberDiff line change
@@ -2,6 +2,7 @@ abstract type AbstractBuildToolchain{C} end
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struct CMake{C} <: AbstractBuildToolchain{C} end
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struct Meson{C} <: AbstractBuildToolchain{C} end
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struct Bazel{C} <: AbstractBuildToolchain{C} end
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c_compiler(::AbstractBuildToolchain{:clang}) = "clang"
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cxx_compiler(::AbstractBuildToolchain{:clang}) = "clang++"
@@ -250,11 +251,13 @@ function generate_toolchain_files!(platform::AbstractPlatform, envs::Dict{String
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if platforms_match(p, platform)
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write(joinpath(dir, "target_$(aatriplet(p))_$(compiler).cmake"), toolchain_file(CMake{compiler}(), p, host_platform; is_host=false, clang_use_lld=clang_use_lld))
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write(joinpath(dir, "target_$(aatriplet(p))_$(compiler).meson"), toolchain_file(Meson{compiler}(), p, envs; is_host=false, clang_use_lld=clang_use_lld))
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write(joinpath(dir, "target_$(aatriplet(p))_$(compiler).bzl"), toolchain_file(Bazel{compiler}(), p, host_platform))
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end
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# Host toolchains
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if platforms_match(p, host_platform)
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write(joinpath(dir, "host_$(aatriplet(p))_$(compiler).cmake"), toolchain_file(CMake{compiler}(), p, host_platform; is_host=true, clang_use_lld=clang_use_lld))
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write(joinpath(dir, "host_$(aatriplet(p))_$(compiler).meson"), toolchain_file(Meson{compiler}(), p, envs; is_host=true, clang_use_lld=clang_use_lld))
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write(joinpath(dir, "host_$(aatriplet(p))_$(compiler).bzl"), toolchain_file(Bazel{compiler}(), p, host_platform))
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end
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end
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@@ -264,13 +267,17 @@ function generate_toolchain_files!(platform::AbstractPlatform, envs::Dict{String
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if prefer_clang(p)
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symlink_if_exists("host_$(aatriplet(p))_clang.cmake", joinpath(dir, "host_$(aatriplet(p)).cmake"))
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symlink_if_exists("host_$(aatriplet(p))_clang.meson", joinpath(dir, "host_$(aatriplet(p)).meson"))
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symlink_if_exists("host_$(aatriplet(p))_clang.bzl", joinpath(dir, "host_$(aatriplet(p)).bzl"))
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symlink_if_exists("target_$(aatriplet(p))_clang.cmake", joinpath(dir, "target_$(aatriplet(p)).cmake"))
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symlink_if_exists("target_$(aatriplet(p))_clang.meson", joinpath(dir, "target_$(aatriplet(p)).meson"))
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symlink_if_exists("target_$(aatriplet(p))_clang.bzl", joinpath(dir, "target_$(aatriplet(p)).bzl"))
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else
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symlink_if_exists("host_$(aatriplet(p))_gcc.cmake", joinpath(dir, "host_$(aatriplet(p)).cmake"))
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symlink_if_exists("host_$(aatriplet(p))_gcc.meson", joinpath(dir, "host_$(aatriplet(p)).meson"))
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symlink_if_exists("host_$(aatriplet(p))_gcc.bzl", joinpath(dir, "host_$(aatriplet(p)).bzl"))
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symlink_if_exists("target_$(aatriplet(p))_gcc.cmake", joinpath(dir, "target_$(aatriplet(p)).cmake"))
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symlink_if_exists("target_$(aatriplet(p))_gcc.meson", joinpath(dir, "target_$(aatriplet(p)).meson"))
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symlink_if_exists("target_$(aatriplet(p))_gcc.bzl", joinpath(dir, "target_$(aatriplet(p)).bzl"))
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end
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end
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end
@@ -299,3 +306,133 @@ function cargo_config_file!(dir::AbstractString, platform::AbstractPlatform;
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""")
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end
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end
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# TODO distinguish between clang and gcc toolchains?
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# TODO implement our own cc_toolchain rule
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function toolchain_file(bt::Bazel, p::AbstractPlatform, host_platform::AbstractPlatform; is_host::Bool=false, clang_use_lld::Bool=false)
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target = triplet(p) # TODO fix this
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full_target = string(p) # TODO fix this
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host_target = triplet(host_platform) # TODO fix this
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return """
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load("@rules_cc//cc:defs.bzl", "cc_toolchain")
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def ygg_cc_toolchain():
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bb_target = "aarch64-linux-gnu"
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bb_full_target = "aarch64-linux-gnu-libgfortran5-cxx11-gpu+none-mode+opt"
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cpu = "aarch64"
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toolchain_identifier = "ygg_toolchain"
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target_system_name = ""
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supports_start_end_lib = False
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cc_toolchain(
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name = "ygg_target_toolchain",
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all_files = ":empty",
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compiler_files = ":empty",
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dwp_files = ":empty",
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linker_files = ":empty",
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objcopy_files = ":empty",
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strip_files = ":empty",
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supports_param_files = 1,
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toolchain_config = ":ygg_target_toolchain_config",
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toolchain_identifier = "ygg_toolchain",
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)
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cc_toolchain_config(
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name = "ygg_target_toolchain_config",
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cpu = cpu,
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compiler = "compiler",
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toolchain_identifier = toolchain_identifier,
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target_system_name = target_system_name,
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target_libc = "",
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abi_libc_version = "local",
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abi_version = "local",
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cxx_builtin_include_directories = [
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"/opt/$(target)/lib/gcc/$(target)/10.2.0/include",
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"/opt/$(target)/lib/gcc/$(target)/10.2.0/include-fixed",
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"/opt/$(target)/$(target)/include",
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"/opt/$(target)/$(target)/sys-root/usr/include",
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"/opt/$(target)/$(target)/include/c++/10.2.0",
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"/opt/$(target)/$(target)/include/c++/10.2.0/$(target)",
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"/opt/$(target)/$(target)/include/c++/10.2.0/backward",
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"/opt/$(target)/$(target)/include/c++/10.2.0/parallel",
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],
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tool_paths = {
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"ar": "/opt/bin/$(full_target)/ar",
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"as": "/opt/bin/$(full_target)/as",
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"c++": "/opt/bin/$(full_target)/c++",
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"c++filt": "/opt/bin/$(full_target)/c++filt",
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"cc": "/opt/bin/$(full_target)/cc",
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"clang": "/opt/bin/$(full_target)/clang",
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"clang++": "/opt/bin/$(full_target)/clang++",
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"cpp": "/opt/bin/$(full_target)/cpp",
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"f77": "/opt/bin/$(full_target)/f77",
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# WARN we force to use clang instead of gcc
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"g++": "/opt/bin/$(full_target)/clang++",
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"gcc": "/opt/bin/$(full_target)/clang",
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"gfortran": "/opt/bin/$(full_target)/gfortran",
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"ld": "/opt/bin/$(full_target)/ld",
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"ld.lld": "/opt/bin/$(full_target)/ld.lld",
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"libtool": "/opt/bin/$(full_target)/libtool",
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"lld": "/opt/bin/$(full_target)/lld",
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"nm": "/opt/bin/$(full_target)/nm",
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"objcopy": "/opt/bin/$(full_target)/objcopy",
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"patchelf": "/opt/bin/$(full_target)/patchelf",
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"ranlib": "/opt/bin/$(full_target)/ranlib",
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"readelf": "/opt/bin/$(full_target)/readelf",
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"strip": "/opt/bin/$(full_target)/strip",
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# from host
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"llvm-cov": "/opt/$(host_target)/bin/llvm-cov",
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"llvm-profdata": "/opt/$(host_target)/bin/llvm-profdata",
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"objdump": "/usr/bin/objdump",
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},
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compile_flags = [
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"-fstack-protector",
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"-Wall",
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"-Wunused-but-set-parameter",
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"-Wno-free-nonheap-object",
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"-fno-omit-frame-pointer",
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# TODO cxx_builtin_include_directories doesn't seem to be working, so we add the INCLUDE_PATHs manually
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"-isystem /opt/$(target)/lib/gcc/$(target)/10.2.0/include",
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"-isystem /opt/$(target)/lib/gcc/$(target)/10.2.0/include-fixed",
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"-isystem /opt/$(target)/$(target)/include",
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"-isystem /opt/$(target)/$(target)/sys-root/usr/include",
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"-isystem /opt/$(target)/$(target)/include/c++/10.2.0",
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"-isystem /opt/$(target)/$(target)/include/c++/10.2.0/$(target)",
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"-isystem /opt/$(target)/$(target)/include/c++/10.2.0/backward",
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"-isystem /opt/$(target)/$(target)/include/c++/10.2.0/parallel",
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],
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opt_compile_flags = [
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"-g0",
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"-O2",
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"-D_FORTIFY_SOURCE=1",
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"-DNDEBUG",
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"-ffunction-sections",
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"-fdata-sections",
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# "-stdlib=libstdc++",
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],
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dbg_compile_flags = ["-g"],
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link_flags = [],
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link_libs = [
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"-lstdc++",
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"-lm",
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],
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opt_link_flags = ["-Wl,--gc-sections"],
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unfiltered_compile_flags = [
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"-no-canonical-prefixes",
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"-Wno-builtin-macro-redefined",
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"-D__DATE__=\"redacted\"",
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"-D__TIMESTAMP__=\"redacted\"",
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"-D__TIME__=\"redacted\"",
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"-Wno-unused-command-line-argument",
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"-Wno-gnu-offsetof-extensions",
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],
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builtin_sysroot = "/opt/$(target)/$(target)/sys-root/",
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coverage_compile_flags = ["--coverage"],
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coverage_link_flags = ["--coverage"],
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host_system_name = "linux",
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# TODO gcc doesn't support it, only put it on clang (maybe even only for clang on aarch64-darwin?)
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# supports_start_end_lib = supports_start_end_lib,
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)
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"""
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end

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