PROJECT = 'zlib'

IF=choose
J=path.join

if LUA_VER == '5.2' then
  LUA_NEED = 'lua52'
  LUA_DIR  = ENV.LUA_DIR_5_2 or ENV.LUA_DIR
  LUA_RUNNER = 'lua52'
else
  LUA_NEED = 'lua'
  LUA_DIR  = ENV.LUA_DIR
  LUA_RUNNER = 'lua'
end

DYNAMIC  = DYNAMIC or false

ZLIB_NEED = IF(DYNAMIC, 'zlib-static-md', 'zlib-static-mt')

INSTALL_DIR = INSTALL_DIR or J(LUA_DIR,'libs',PROJECT)

build = c.shared{PROJECT, 
  -- base     = 'src',
  src      = '*.c',
  needs    = { LUA_NEED, ZLIB_NEED },
  dynamic  = DYNAMIC,
  strip    = true,
  defines  = IF(MSVC, "STRUCT_INT=__int64"),
  libflags = IF(MSVC, "/EXPORT:luaopen_" .. PROJECT),
}

target('build', build)

install = target('install', {
  file.group{odir=J(INSTALL_DIR, 'share');src = build };
  file.group{odir=J(INSTALL_DIR, 'share');src = 'gzip.lua' };
  file.group{odir=J(INSTALL_DIR, 'test'); src = 'test_*.lua'};
})

local function run(file, cwd)
  print()
  print("run " .. file)
  if not TESTING then
    if cwd then lake.chdir(cwd) end
    os.execute( LUA_RUNNER .. ' ' .. file )
    if cwd then lake.chdir("<") end
    print()
  end
end

target('test', install, function()
  local test_dir = J(INSTALL_DIR,'test')
  run(J(test_dir,'test_zlib3.lua'), test_dir)
  run(J(test_dir,'test_zlib2.lua'), test_dir)
  run(J(test_dir,'test_prologue.lua'), test_dir)
  run(J(test_dir,'test_gzip.lua'), test_dir)
end)