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# Root module
module RbSys
# Helper class for creating Rust Makefiles
module Mkmf
# Config that delegates to CargoBuilder if needded
class Config
# Force the installation of the Rust toolchain when building
attr_accessor :force_install_rust_toolchain
# Clean artifacts after install (default: true if invoked by Rubygems)
attr_accessor :clean_after_install
# Target directory for cargo artifacts
attr_accessor :target_dir
# Automatically install the Rust toolchain when building (default: true)
attr_accessor :auto_install_rust_toolchain
# Directories to clean after installing with Rubygems
attr_accessor :rubygems_clean_dirs
# Extra targets to install
attr_accessor :extra_rustup_targets
# Use compiled C code fallback for stable API for ruby-head (default: false)
attr_accessor :use_stable_api_compiled_fallback
def initialize(builder)
@builder = builder
@force_install_rust_toolchain = false
@auto_install_rust_toolchain = true
@use_stable_api_compiled_fallback = false
@clean_after_install = rubygems_invoked?
@rubygems_clean_dirs = ["./cargo-vendor"]
@extra_rustup_targets = []
end
# @api private
def cross_compiling?
RbConfig::CONFIG["CROSS_COMPILING"] == "yes"
end
# @api private
def method_missing(name, *args, &blk)
@builder.send(name, *args, &blk)
end
# @api private
def respond_to_missing?(name, include_private = false)
@builder.respond_to?(name) || super
end
# Seems to be the only way to reliably know if we were invoked by Rubygems.
# We want to know this so we can cleanup the target directory after an
# install, to remove bloat.
# @api private
def rubygems_invoked?
ENV.key?("SOURCE_DATE_EPOCH")
end
def use_stable_api_compiled_fallback?
@use_stable_api_compiled_fallback
end
end
end
end
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