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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 cmake_importfiles.lua
--
-- imports
import("core.project.project")
-- get install libdir
function _get_install_libdir(target, installdir, opt)
opt = opt or {}
return path.normalize(opt.libdir and path.join(installdir, opt.libdir) or target:libdir())
end
-- get the lib file of the target
function _get_libfilename(target, libdir)
local libfile = path.filename(target:targetfile())
if target:is_plat("windows") then
libfile = libfile:gsub("%.dll$", ".lib")
elseif target:is_plat("mingw") then
if os.isfile(path.join(libdir, libfile:gsub("%.dll$", ".dll.a"))) then
libfile = libfile:gsub("%.dll$", ".dll.a")
else
libfile = libfile:gsub("%.dll$", ".lib")
end
end
return libfile
end
-- get the builtin variables
function _get_builtinvars(target, installdir, libdir)
local target_ptrbytes
if target:is_plat("cross") then
target_ptrbytes = target:check_sizeof("void*")
else
target_ptrbytes = target:is_arch64() and "8" or "4"
end
local libsubdir
if libdir:startswith(installdir) then
libsubdir = path.relative(libdir, installdir)
else
raise("target(%s): libdir(%s) is not in installdir(%s)", target:name(), libdir, installdir)
end
return {LIBDIR = libsubdir,
TARGETNAME = target:name(),
PROJECTNAME = project.name() or target:name(),
TARGETFILENAME = target:targetfile() and _get_libfilename(target, libdir),
TARGETKIND = target:is_headeronly() and "INTERFACE" or (target:is_shared() and "SHARED" or "STATIC"),
PACKAGE_VERSION = target:get("version") or "1.0.0",
TARGET_PTRBYTES = target_ptrbytes}
end
-- install cmake config file
function _install_cmake_configfile(target, installdir, filename, opt)
-- get import file path
local libdir = _get_install_libdir(target, installdir, opt)
local projectname = project.name() or target:name()
local importfile_src = path.join(os.programdir(), "scripts", "cmake_importfiles", filename)
local importfile_dst = path.join(libdir, "cmake", projectname, (filename:gsub("xxx", projectname)))
-- trace
vprint("generating %s ..", importfile_dst)
-- get the builtin variables
local builtinvars = _get_builtinvars(target, installdir, libdir)
-- copy and replace builtin variables
local content = io.readfile(importfile_src)
if content then
content = content:split("#######################+#")[1]
content = content:gsub("(@(.-)@)", function(_, variable)
variable = variable:trim()
local value = builtinvars[variable]
return type(value) == "function" and value() or value
end)
io.writefile(importfile_dst, content)
end
end
-- append target to cmake config file
function _append_cmake_configfile(target, installdir, filename, opt)
-- get import file path
local libdir = _get_install_libdir(target, installdir, opt)
local projectname = project.name() or target:name()
local importfile_src = path.join(os.programdir(), "scripts", "cmake_importfiles", filename)
local importfile_dst = path.join(libdir, "cmake", projectname, (filename:gsub("xxx", projectname)))
-- get the builtin variables
local builtinvars = _get_builtinvars(target, installdir, libdir)
-- generate the file if not exist / file is outdated
if target:is_headeronly() or not os.isfile(importfile_dst) or os.mtime(importfile_dst) < os.mtime(target:targetfile()) then
_install_cmake_configfile(target, installdir, filename, opt)
end
-- copy and replace builtin variables
local content = io.readfile(importfile_src)
local dst_content = io.readfile(importfile_dst)
if content then
content = content:split("#######################+#")[2]
content = content:gsub("(@(.-)@)", function(_, variable)
variable = variable:trim()
local value = builtinvars[variable]
return type(value) == "function" and value() or value
end)
content = content:trim()
-- check if the target already exists
if not dst_content:match(format("%sTargets.cmake", target:name())) then
io.writefile(importfile_dst, dst_content:trim() .. "\n\n" .. content .. "\n")
end
end
end
-- install cmake target file
function _install_cmake_targetfile(target, installdir, filename, opt)
-- get import file path
local libdir = _get_install_libdir(target, installdir, opt)
local projectname = project.name() or target:name()
local importfile_src = path.join(os.programdir(), "scripts", "cmake_importfiles", filename)
local importfile_dst = path.join(libdir, "cmake", projectname, (filename:gsub("xxx", target:name())))
-- trace
vprint("generating %s ..", importfile_dst)
-- get the builtin variables
local builtinvars = _get_builtinvars(target, installdir, libdir)
-- copy and replace builtin variables
local content = io.readfile(importfile_src)
if content then
content = content:gsub("(@(.-)@)", function(_, variable)
variable = variable:trim()
local value = builtinvars[variable]
return type(value) == "function" and value() or value
end)
local libfilename = path.filename(target:targetfile())
local postfix = is_mode("debug") and "DEBUG" or "RELEASE"
if target:is_shared() and (_get_libfilename(target, libdir) ~= libfilename) then
-- On DLL platforms, the import library is named differently from the target file
content = content:gsub("# IMPORTED_IMPLIB_" .. postfix, "IMPORTED_IMPLIB_" .. postfix)
content = content:gsub(
"IMPORTED_LOCATION_" .. postfix .. " \"%${_IMPORT_PREFIX}/lib/.-\"",
"IMPORTED_LOCATION_" .. postfix .. " \"${_IMPORT_PREFIX}/bin/" .. libfilename .. "\""
)
end
io.writefile(importfile_dst, content)
end
end
-- install .cmake import files for the target
--
-- @param target the target instance
-- @param opt the options, e.g. {installdir = "", libdir = ""}
--
function main(target, opt)
-- check
opt = opt or {}
assert(target:is_library(), 'cmake_importfiles: only support for library target(%s)!', target:name())
-- get install directory
local installdir = target:installdir()
if not installdir then
return
end
-- do install
installdir = path.normalize(installdir)
_append_cmake_configfile(target, installdir, "xxxConfig.cmake", opt)
_install_cmake_configfile(target, installdir, "xxxConfigVersion.cmake", opt)
_install_cmake_targetfile(target, installdir, "xxxTargets.cmake", opt)
if not target:is_headeronly() then
if is_mode("debug") then
_install_cmake_targetfile(target, installdir, "xxxTargets-debug.cmake", opt)
else
_install_cmake_targetfile(target, installdir, "xxxTargets-release.cmake", opt)
end
end
end
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