local args = { ... } local b = require "tools.build" local builder = b.new_builder( ".build/cross-lua" ) local utils = b.utils local sf = string.format if not (_VERSION == "Lua 5.1" and pcall(require,"lfs")) then print [[ cross_lua.lua must be run within Lua 5.1 and it requires the Lua Filesystem to be installed. On most *nix distrubitions youwill find a packages lua-5.1 and lua-filesystem, or alternalively you can install lua-rocks and use the Rocks package manager to install lfs. ]] os.exit(1) end builder:init( args ) builder:set_build_mode( builder.BUILD_DIR_LINEARIZED ) local output = 'luac.cross' local cdefs = '-DLUA_CROSS_COMPILER -Ddbg_printf=printf' -- Lua source files and include path local lua_files = [[ lapi.c lauxlib.c lbaselib.c lcode.c ldblib.c ldebug.c ldo.c ldump.c lfunc.c lgc.c llex.c lmathlib.c lmem.c loadlib.c lobject.c lopcodes.c lparser.c lrotable.c lstate.c lstring.c lstrlib.c ltable.c ltablib.c ltm.c lundump.c lvm.c lzio.c luac_cross/luac.c luac_cross/loslib.c luac_cross/print.c ../modules/linit.c ../libc/c_stdlib.c ]] lua_files = lua_files:gsub( "\n" , "" ) local lua_full_files = utils.prepend_path( lua_files, "app/lua" ) local local_include = "-Iapp/include -Iinclude -Iapp/lua" -- Compiler/linker options builder:set_compile_cmd( sf( "gcc -O2 %s -Wall %s -c $(FIRST) -o $(TARGET)", local_include, cdefs ) ) builder:set_link_cmd( "gcc -o $(TARGET) $(DEPENDS) -lm" ) -- Build everything builder:make_exe_target( output, lua_full_files ) builder:build()