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--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki
-- @file nim.lua
--
-- imports
import("core.base.option")
import("core.project.config")
import("core.project.project")
import("core.language.language")
-- init it
--
-- @see https://nim-lang.org/docs/nimc.html
function init(self)
-- init arflags
self:set("ncarflags", "--app:staticlib", "--noMain")
-- init shflags
self:set("ncshflags", "--app:lib", "--noMain")
-- init arch flags
local arch = self:arch()
if arch then
if self:is_arch("x86", "i386") then
self:add("ncflags", "--cpu:i386", "--define:bit32")
if self:is_plat("linux", "macosx", "bsd", "mingw") then
self:add("ncflags", '--passC:"-m32"', '--passL:"-m32"')
end
elseif self:is_arch("x64", "x86_64") then
self:add("ncflags", "--cpu:amd64", "--define:bit64")
elseif self:is_arch("arm64.*") then
self:add("ncflags", "--cpu:arm64", "--define:bit64")
elseif self:is_arch("arm.*") then
self:add("ncflags", "--cpu:arm", "--define:bit32")
end
end
end
-- make the warning flag
function nf_warning(self, level)
local maps =
{
none = "--warning:X:off"
, less = "--warning:X:on"
, more = "--warning:X:on"
, all = "--warning:X:on"
, allextra = "--warning:X:on"
, everything = "--warning:X:on"
, error = "--warningAsError:X:on"
}
return maps[level]
end
-- make the define flag
function nf_define(self, macro)
return {"--define:" .. macro}
end
-- make the undefine flag
function nf_undefine(self, macro)
return "--undef:" .. macro
end
-- make the optimize flag
function nf_optimize(self, level)
-- only for source kind
local kind = self:kind()
if language.sourcekinds()[kind] then
local maps =
{
none = "--opt:none"
, fast = "-d:release"
, faster = "-d:release"
, fastest = "-d:release"
, smallest = {"-d:release", "--opt:size"}
, aggressive = "-d:danger"
}
return maps[level]
end
end
-- make the symbol flag
function nf_symbol(self, level)
local maps =
{
debug = "--debugger:native"
}
return maps[level]
end
-- make the strip flag
function nf_strip(self, level)
if self:is_plat("linux", "macosx", "bsd") then
if level == "debug" or level == "all" then
return '--passL:"-s"'
end
end
end
-- make the includedir flag
function nf_includedir(self, dir)
return {string.format('--passC:"-I%s"', path.translate(dir))}
end
-- make the sysincludedir flag
function nf_sysincludedir(self, dir)
return nf_includedir(self, dir)
end
-- make the link flag
function nf_link(self, lib)
if self:is_plat("windows") then
return string.format('--passL:"%s.lib"', lib)
else
return string.format('--passL:"-l%s"', lib)
end
end
-- make the syslink flag
function nf_syslink(self, lib)
if self:is_plat("windows") then
return string.format('--passL:"%s.lib"', lib)
else
if lib == "pthread" then
return {"--threads:on", string.format('--passL:"-l%s"', lib), '--dynlibOverride:"pthread"'}
else
return string.format('--passL:"-l%s"', lib)
end
end
end
-- make the linkdir flag
function nf_linkdir(self, dir)
if self:is_plat("windows") then
return {string.format('--passL:"-libpath:%s"', path.translate(dir))}
else
return {string.format('--passL:"-L%s"', path.translate(dir))}
end
end
-- make the rpathdir flag
function nf_rpathdir(self, dir, opt)
if self:is_plat("windows") then
return
end
opt = opt or {}
local extra = opt.extra
if extra and extra.installonly then
return
end
dir = path.translate(dir)
-- Use --passL:"-Wl,-rpath=<dir>" to pass rpath to the linker
-- We use standard -Wl,-rpath for gcc/clang on linux/macosx/bsd without check mainly.
if self:is_plat("macosx", "iphoneos") then
dir = dir:gsub("([@$][%w_]+)", function (name)
if name == "$ORIGIN" then
return "@loader_path"
end
return name
end)
local rpath = string.format("-Wl,-rpath,%s", dir)
return {string.format('--passL:"%s"', rpath)}
elseif self:is_plat("linux", "bsd", "android") then
dir = dir:gsub("([@$][%w_]+)", function (name)
if name == "@loader_path" or name == "@executable_path" then
return "\\$ORIGIN"
elseif name == "$ORIGIN" then
return "\\$ORIGIN"
end
return name
end)
local rpath = string.format("-Wl,-rpath=%s", dir)
local flags = {string.format('--passL:"%s"', rpath)}
if extra then
if extra.runpath == false and self:has_flags(string.format('--passL:"%s,--disable-new-dtags"', rpath), "ldflags") then
flags[1] = string.format('--passL:"%s,--disable-new-dtags"', rpath)
elseif extra.runpath == true and self:has_flags(string.format('--passL:"%s,--enable-new-dtags"', rpath), "ldflags") then
flags[1] = string.format('--passL:"%s,--enable-new-dtags"', rpath)
end
end
return flags
end
-- fallback
if self:has_flags(string.format('--passL:"-Wl,-rpath=%s"', dir), "ldflags") then
local flags = {string.format('--passL:"-Wl,-rpath=%s"', (dir:gsub("@[%w_]+", function (name)
local maps = { ["@loader_path"] = "$ORIGIN", ["@executable_path"] = "$ORIGIN" }
return maps[name]
end)))}
-- add_rpathdirs("...", {runpath = false})
if extra then
if extra.runpath == false and self:has_flags(string.format('--passL:"-Wl,-rpath=%s,--disable-new-dtags"', dir), "ldflags") then
flags[1] = string.format('--passL:"-Wl,-rpath=%s,--disable-new-dtags"', dir)
elseif extra.runpath == true and self:has_flags(string.format('--passL:"-Wl,-rpath=%s,--enable-new-dtags"', dir), "ldflags") then
flags[1] = string.format('--passL:"-Wl,-rpath=%s,--enable-new-dtags"', dir)
end
end
return flags
elseif self:has_flags('--passL:"-Xlinker" --passL:"-rpath" --passL:"-Xlinker" ' .. string.format('--passL:"%s"', dir), "ldflags") then
return {'--passL:"-Xlinker"', '--passL:"-rpath"', '--passL:"-Xlinker"', string.format('--passL:"%s"', (dir:gsub("%$ORIGIN", "@loader_path")))}
end
end
-- make the build arguments list
function buildargv(self, sourcefiles, targetkind, targetfile, flags)
local flags_extra = {}
if targetkind ~= "static" and self:is_plat("windows") then
-- fix link flags for windows
-- @see https://github.com/nim-lang/Nim/issues/19033
local flags_new = {}
local flags_link = {}
for _, flag in ipairs(flags) do
if flag:find("passL:", 1, true) then
table.insert(flags_link, flag)
else
table.insert(flags_new, flag)
end
end
if #flags_link > 0 then
table.insert(flags_new, "--passL:-link")
table.join2(flags_new, flags_link)
end
flags = flags_new
end
if targetkind == "static" then
local targetname = path.basename(targetkind)
table.insert(flags_extra, "--nimMainPrefix:lib" .. targetname)
end
return self:program(), table.join("c", flags, flags_extra, "-o:" .. targetfile, sourcefiles)
end
-- build the target file
function build(self, sourcefiles, targetkind, targetfile, flags)
os.mkdir(path.directory(targetfile))
local program, argv = buildargv(self, sourcefiles, targetkind, targetfile, flags)
os.runv(program, argv, {envs = self:runenvs()})
end
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