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Copy pathcfg.lua
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333 lines (294 loc) · 10.9 KB
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local rawset, next, table, pairs, print, require, io, os, setmetatable, pcall, ipairs, package, type =
rawset, next, table, pairs, print, require, io, os, setmetatable, pcall, ipairs, package, type
--- Configuration for LuaRocks.
-- Tries to load the user's configuration file and
-- defines defaults for unset values. See the
-- <a href="http://luarocks.org/en/Config_file_format">config
-- file format documentation</a> for details.
--
-- End-users shouldn't edit this file. They can override any defaults
-- set in this file using their system-wide $LUAROCKS_SYSCONFIG file
-- (see luarocks.config) or their user-specific configuration file
-- (~/.luarocks/config.lua on Unix or %APPDATA%/luarocks/config.lua on
-- Windows).
module("luarocks.cfg")
-- Load site-local global configurations
local ok, config = pcall(require, "luarocks.config")
if not ok then
print("Site-local luarocks/config.lua file not found. Incomplete installation?")
config = {}
end
_M.config = config
program_version = "2.0.2"
user_agent = "LuaRocks/"..program_version
local persist = require("luarocks.persist")
local popen_ok, popen_result = pcall(io.popen, "")
if popen_ok then
if popen_result then
popen_result:close()
end
else
print("Your version of Lua does not support io.popen,")
print("which is required by LuaRocks. Please check your Lua installation.")
os.exit(1)
end
-- System detection:
local detected = {}
local system,proc
-- A proper installation of LuaRocks will hardcode the system
-- and proc values with config.LUAROCKS_UNAME_S and config.LUAROCKS_UNAME_M,
-- so that this detection does not run every time. When it is
-- performed, we use the Unix way to identify the system,
-- even on Windows (assuming UnxUtils or Cygwin).
system = config.LUAROCKS_UNAME_S or io.popen("uname -s"):read("*l")
proc = config.LUAROCKS_UNAME_M or io.popen("uname -m"):read("*l")
if proc:match("i[%d]86") then
proc = "x86"
elseif proc:match("amd64") or proc:match("x86_64") then
proc = "x86_64"
elseif proc:match("Power Macintosh") then
proc = "powerpc"
end
if system == "FreeBSD" then
detected.unix = true
detected.freebsd = true
elseif system == "Darwin" then
detected.unix = true
detected.macosx = true
elseif system == "Linux" then
detected.unix = true
detected.linux = true
elseif system and system:match("^CYGWIN") then
detected.unix = true
detected.cygwin = true
elseif system and system:match("^Windows") then
detected.windows = true
elseif system and system:match("^MINGW") then
detected.mingw32 = true
else
detected.unix = true
-- Fall back to Unix in unknown systems.
end
-- Path configuration:
local sys_config_file, home_config_file, home_tree
if detected.windows or detected.mingw32 then
home = os.getenv("APPDATA") or "c:"
sys_config_file = "c:/luarocks/config.lua"
home_config_file = home.."/luarocks/config.lua"
home_tree = home.."/luarocks/"
else
home = os.getenv("HOME") or ""
sys_config_file = "/etc/luarocks/config.lua"
home_config_file = home.."/.luarocks/config.lua"
home_tree = home.."/.luarocks/"
end
variables = {}
rocks_trees = {}
persist.load_into_table(config.LUAROCKS_SYSCONFIG or sys_config_file, _M)
if not config.LUAROCKS_FORCE_CONFIG then
home_config_file = os.getenv("LUAROCKS_CONFIG") or home_config_file
local home_overrides = persist.load_into_table(home_config_file, { home = home })
if home_overrides then
local util = require("luarocks.util")
util.deep_merge(_M, home_overrides)
end
end
if not next(rocks_trees) then
if home_tree then
table.insert(rocks_trees, home_tree)
end
if config.LUAROCKS_ROCKS_TREE then
table.insert(rocks_trees, config.LUAROCKS_ROCKS_TREE)
end
end
-- Configure defaults:
local root = rocks_trees[#rocks_trees]
local defaults = {
lua_modules_path = "/share/lua/5.1/",
lib_modules_path = "/lib/lua/5.1/",
arch = "unknown",
lib_extension = "unknown",
obj_extension = "unknown",
rocks_servers = {
"http://www.luarocks.org/repositories/rocks"
},
lua_extension = "lua",
lua_interpreter = config.LUA_INTERPRETER or "lua",
downloader = config.LUAROCKS_DOWNLOADER or "wget",
md5checker = config.LUAROCKS_MD5CHECKER or "md5sum",
variables = {},
external_deps_subdirs = {
bin = "bin",
lib = "lib",
include = "include"
},
runtime_external_deps_subdirs = {
bin = "bin",
lib = "lib",
include = "include"
},
}
if detected.windows then
home_config_file = home_config_file:gsub("\\","/")
defaults.arch = "win32-"..proc
defaults.platforms = {"win32", "windows" }
defaults.lib_extension = "dll"
defaults.external_lib_extension = "dll"
defaults.obj_extension = "obj"
defaults.external_deps_dirs = { "c:/external/" }
defaults.variables.LUA_BINDIR = config.LUA_BINDIR and config.LUA_BINDIR:gsub("\\", "/") or "c:/lua5.1/bin"
defaults.variables.LUA_INCDIR = config.LUA_INCDIR and config.LUA_INCDIR:gsub("\\", "/") or "c:/lua5.1/include"
defaults.variables.LUA_LIBDIR = config.LUA_LIBDIR and config.LUA_LIBDIR:gsub("\\", "/") or "c:/lua5.1/lib"
defaults.cmake_generator = "MinGW Makefiles"
defaults.make = "nmake" -- TODO: Split Windows flavors between mingw and msvc
defaults.makefile = "Makefile.win"
defaults.variables.CC = "cl"
defaults.variables.RC = "rc"
defaults.variables.WRAPPER = config.LUAROCKS_PREFIX .. "\\2.0\\rclauncher.obj"
defaults.variables.LD = "link"
defaults.variables.MT = "mt"
defaults.variables.CFLAGS = "/MD /O2"
defaults.variables.LIBFLAG = "/dll"
defaults.external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "?.lib", "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.local_cache = home.."/cache/luarocks"
end
if detected.mingw32 then
home_config_file = home_config_file:gsub("\\","/")
defaults.arch = "win32-"..proc
defaults.platforms = { "win32", "mingw32" }
defaults.lib_extension = "dll"
defaults.external_lib_extension = "dll"
defaults.obj_extension = "o"
defaults.external_deps_dirs = { "c:/external/" }
defaults.variables.LUA_BINDIR = config.LUA_BINDIR and config.LUA_BINDIR:gsub("\\", "/") or "c:/lua5.1/bin"
defaults.variables.LUA_INCDIR = config.LUA_INCDIR and config.LUA_INCDIR:gsub("\\", "/") or "c:/lua5.1/include"
defaults.variables.LUA_LIBDIR = config.LUA_LIBDIR and config.LUA_LIBDIR:gsub("\\", "/") or "c:/lua5.1/lib"
defaults.cmake_generator = "MinGW Makefiles"
defaults.make = "mingw32-make" -- TODO: Split Windows flavors between mingw and msvc
defaults.makefile = "Makefile.win"
defaults.variables.CC = "mingw32-gcc"
defaults.variables.RC = "windres"
defaults.variables.WRAPPER = config.LUAROCKS_PREFIX .. "\\2.0\\rclauncher.o"
defaults.variables.LD = "mingw32-gcc"
defaults.variables.CFLAGS = "-O2"
defaults.variables.LIBFLAG = "-shared"
defaults.external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "?.lib", "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.local_cache = home.."/cache/luarocks"
end
if detected.unix then
defaults.lib_extension = "so"
defaults.external_lib_extension = "so"
defaults.obj_extension = "o"
defaults.external_deps_dirs = { "/usr/local", "/usr" }
defaults.variables.LUA_BINDIR = config.LUA_BINDIR or "/usr/local/bin"
defaults.variables.LUA_INCDIR = config.LUA_INCDIR or "/usr/local/include"
defaults.variables.LUA_LIBDIR = config.LUA_LIBDIR or "/usr/local/lib"
defaults.variables.CFLAGS = "-O2"
defaults.cmake_generator = "Unix Makefiles"
defaults.make = "make"
defaults.platforms = { "unix" }
defaults.variables.CC = "cc"
defaults.variables.LD = "ld"
defaults.variables.LIBFLAG = "-shared"
defaults.external_deps_patterns = {
bin = { "?" },
lib = { "lib?.a", "lib?.so" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?" },
lib = { "lib?.so" },
include = { "?.h" }
}
defaults.local_cache = home.."/.cache/luarocks"
end
if detected.cygwin then
defaults.lib_extension = "so" -- can be overridden in the config file for mingw builds
defaults.arch = "cygwin-"..proc
defaults.platforms = {"unix", "cygwin"}
defaults.cmake_generator = "Unix Makefiles"
defaults.variables.CC = "echo -llua | xargs gcc"
defaults.variables.LD = "echo -llua | xargs gcc"
defaults.variables.LIBFLAG = "-shared"
end
if detected.macosx then
defaults.external_lib_extension = "dylib"
defaults.arch = "macosx-"..proc
defaults.platforms = {"unix", "macosx"}
defaults.variables.CC = "export MACOSX_DEPLOYMENT_TARGET=10.3; gcc"
defaults.variables.LD = "export MACOSX_DEPLOYMENT_TARGET=10.3; gcc"
defaults.variables.LIBFLAG = "-bundle -undefined dynamic_lookup -all_load"
end
if detected.linux then
defaults.arch = "linux-"..proc
defaults.platforms = {"unix", "linux"}
defaults.variables.CC = "gcc"
defaults.variables.LD = "gcc"
defaults.variables.LIBFLAG = "-shared"
end
if detected.freebsd then
defaults.arch = "freebsd-"..proc
defaults.make = "gmake"
defaults.platforms = {"unix", "freebsd"}
defaults.variables.CC = "gcc"
defaults.variables.LD = "gcc"
defaults.variables.LIBFLAG = "-shared"
end
if proc == "x86_64" and not defaults.variables.CFLAGS:match("-fPIC") then
defaults.variables.CFLAGS = defaults.variables.CFLAGS.." -fPIC"
end
-- Expose some more values detected by LuaRocks for use by rockspec authors.
defaults.variables.LUA = defaults.lua_interpreter
defaults.variables.LIB_EXTENSION = defaults.lib_extension
defaults.variables.OBJ_EXTENSION = defaults.obj_extension
defaults.variables.LUAROCKS_PREFIX = config.LUAROCKS_PREFIX
-- Use defaults:
-- Populate values from 'defaults.variables' in 'variables' if they were not
-- already set by user.
if not _M.variables then
_M.variables = {}
end
for k,v in pairs(defaults.variables) do
if not _M.variables[k] then
_M.variables[k] = v
end
end
-- For values not set in the config file, use values from the 'defaults' table.
local cfg_mt = {
__index = function(t, k)
local default = defaults[k]
if default then
rawset(t, k, default)
end
return default
end
}
setmetatable(_M, cfg_mt)
for _,tree in ipairs(rocks_trees) do
if type(tree) == "string" then
package.path = tree..lua_modules_path.."/?.lua;"..tree..lua_modules_path.."/?/init.lua;"..package.path
package.cpath = tree..lib_modules_path.."/?."..lib_extension..";"..package.cpath
else
package.path = (tree.lua_dir or tree.root..lua_modules_path).."/?.lua;"..
(tree.lua_dir or tree.root..lua_modules_path).."/?/init.lua;"..package.path
package.cpath = (tree.lib_dir or tree.root..lib_modules_path).."/?."..lib_extension..";"..package.cpath
end
end
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