Converting a gyp library to premake

dependency.lua

solution 'node-lame'
    project 'bindings'
        
        includedirs {
            'deps/lame/include',
            'deps/mpg123/src/libmpg123',
            'deps/mpg123/%{GetConfigInclude(cfg)}',
        }

    include 'deps/lame'
    include 'deps/mpg123'

GetConfigInclude.lua

function GetConfigInclude(cfg)
    local arch = cfg.architecture
    local system = cfg.system
    if arch == 'x32' or arch == 'Win32' then
        arch = 'ia32'
    end
    if system == 'windows' then
        system = 'win'
    end
    return string.format('config/%s/%s', system, arch)
end

gypDefaults.gyp

'target_defaults': {
  'default_configuration': 'Debug',
  'configurations': {
    'Debug': {
      'defines': [ 'DEBUG', '_DEBUG' ],
      'msvs_settings': {
        'VCCLCompilerTool': {
          'RuntimeLibrary': 1, # static debug
        },
      },
    },
    'Release': {
      'defines': [ 'NDEBUG' ],
      'msvs_settings': {
        'VCCLCompilerTool': {
          'RuntimeLibrary': 0, # static release
        },
      },
    }
  },
  'msvs_settings': {
    'VCLinkerTool': {
      'GenerateDebugInformation': 'true',
    },
  },
  'conditions': [
    ['OS=="mac"', {
      'conditions': [
        ['target_arch=="ia32"', { 'xcode_settings': { 'ARCHS': [ 'i386' ] } }],
        ['target_arch=="x64"', { 'xcode_settings': { 'ARCHS': [ 'x86_64' ] } }]
      ],
    }],
  ]
},

libmpg123.lua

project 'mpg123'
    kind 'StaticLib'
    language 'C'

    defines {
        'HAVE_CONFIG_H',
        'PIC',
        'NOXFERMEM',
    }
    includedirs { '%{GetConfigInclude(cfg)}' }

    files {
        'src/libmpg123/compat.c',
        -- all the source files
        'src/libmpg123/feature.c',
    }
    
    local notOptimizedDefines = {
        'OPT_I386',
        'REAL_IS_FLOAT',
        'NEWOLD_WRITE_SAMPLE',
    }
    
    local notOptmizedSynthFiles = {
        'src/libmpg123/synth_s32.c',
        'src/libmpg123/synth_real.c',
        'src/libmpg123/dct64_i386.c',
    }
    
    configuration 'x32'
        defines(notOptimizedDefines)
        files(notOptmizedSynthFiles)
        
    configuration { 'windows', 'x64' }
        defines(notOptimizedDefines)
        files(notOptmizedSynthFiles)
        
    configuration 'x64'
        defines {
            'OPT_X86_64',
            'REAL_IS_FLOAT',
        }
        files {
            'src/libmpg123/dct64_x86_64.S',
            -- more assembler files
            'src/libmpg123/synth_x86_64_float.S',
        }

luaDefault.lua

solution 'node-lame'
    configurations { 'Debug', 'Release' }
    
    if os.is('windows') then
        platforms { 'Win32', 'x64' }
    else
        platforms { 'x32', 'x64' }
    end

    flags {
        'StaticRuntime',
        'Symbols'
    }
    
    configuration 'Debug'
        defines { 'DEBUG', '_DEBUG' }
    
    configuration 'Release'
        defines { 'NDEBUG' }
    

mp3lame.lua

project 'mp3lame'
    kind 'StaticLib'
    language 'C'

    defines { 'HAVE_CONFIG_H' }

    includedirs { '%{GetConfigInclude(cfg)}' }
    
    includedirs {
        'include',
        'mpglib',
        'libmp3lame',
    }
    
    files {
        'libmp3lame/*.c',
        'libmp3lame/*.h',
    }
    
    vpaths {
        ['Source Files'] = '*.c',
        ['Header Files'] = '*.h',
    }

NodeOption.lua

newoption {
    trigger = 'node',
    description = 'node source directory',
    value = 'path to nodejs source directory',
}

local node = _OPTIONS['node']
if not node then
    error('Missing node source directory. Use --node=path-to-node.')
end

Skeleton.lua

solution 'node-lame'

    project 'bindings'
        kind 'SharedLib'
        language 'C++'

        files {
            'src/*.cc',
            'src/*.h',
        }