require 'mkmf' houdini_dir = File.expand_path('./houdini', __dir__) $INCFLAGS << " -I#{houdini_dir}" $CFLAGS << ' -Wall -Wextra' $srcs = %w[hamlit.c] Dir[File.join(houdini_dir, '*.c')].each do |path| src = File.basename(path) if /mswin|mingw|cygwin|bccwin/ =~ RUBY_PLATFORM FileUtils.cp(path, src) else FileUtils.ln_s(path, src, force: true) end $srcs << src end create_makefile('hamlit/hamlit')