calog/vendor/mruby/build_config/cosmopolitan.rb
2026-07-04 20:25:00 -05:00

86 lines
2.2 KiB
Ruby
Vendored

# Cosmopolitan Libc build configuration for mruby
# https://github.com/jart/cosmopolitan
#
# Produces Actually Portable Executables (APE) - single binaries that run on:
# - Linux (x86_64, ARM64)
# - macOS (x86_64, ARM64)
# - Windows (x86_64)
# - FreeBSD (x86_64)
# - OpenBSD (x86_64)
# - NetBSD (x86_64)
#
# Requirements:
# Download cosmocc toolchain from https://cosmo.zip/pub/cosmocc/
#
# Usage:
# COSMO_ROOT=/path/to/cosmocc rake MRUBY_CONFIG=cosmopolitan
#
# The resulting binaries in bin/ will have .com extension and run on all
# supported platforms without recompilation.
COSMO_ROOT = ENV['COSMO_ROOT']
unless COSMO_ROOT && File.directory?(COSMO_ROOT)
msg = <<~MSG
Cosmopolitan toolchain not found.
Please set COSMO_ROOT environment variable to the cosmocc directory:
mkdir -p ~/cosmo && cd ~/cosmo
wget https://cosmo.zip/pub/cosmocc/cosmocc.zip
unzip cosmocc.zip
export COSMO_ROOT=~/cosmo
Then run:
COSMO_ROOT=~/cosmo rake MRUBY_CONFIG=cosmopolitan
MSG
raise msg
end
MRuby::Build.new do |conf|
# C compiler
conf.cc do |cc|
cc.command = "#{COSMO_ROOT}/bin/cosmocc"
cc.flags = %w[-Os -fno-omit-frame-pointer]
end
# C++ compiler
conf.cxx do |cxx|
cxx.command = "#{COSMO_ROOT}/bin/cosmoc++"
cxx.flags = conf.cc.flags.dup
end
# Linker
conf.linker do |linker|
linker.command = "#{COSMO_ROOT}/bin/cosmocc"
linker.flags = %w[-static]
end
# Archiver
conf.archiver do |archiver|
archiver.command = "#{COSMO_ROOT}/bin/cosmoar"
end
# APE binaries use .com extension
conf.exts.executable = '.com'
# Cosmopolitan provides POSIX compatibility, explicitly select POSIX HALs
conf.gem core: 'hal-posix-io'
conf.gem core: 'hal-posix-socket'
conf.gem core: 'hal-posix-dir'
# Standard library
conf.gembox 'stdlib'
conf.gembox 'stdlib-ext'
conf.gembox 'stdlib-io' # Includes mruby-io, mruby-socket, mruby-dir
conf.gembox 'math'
conf.gembox 'metaprog'
# Binary tools
# Note: mruby-bin-config is a shell script and incompatible with .com extension
conf.gem core: 'mruby-bin-mrbc'
conf.gem core: 'mruby-bin-mruby'
conf.gem core: 'mruby-bin-strip'
conf.gem core: 'mruby-bin-mirb'
conf.gem core: 'mruby-bin-debugger'
end