add find_package module

3 files changed, 172 insertions, 2 deletions

diff --git a/xmake/core/sandbox/modules/import.lua b/xmake/core/sandbox/modules/import.lua
index 921d3889a..885378750 100644
--- a/xmake/core/sandbox/modules/import.lua
+++ b/xmake/core/sandbox/modules/import.lua
@@ -260,7 +260,7 @@ end
 -- => inherit the all interfaces of core.platform to the current scope
 --
 -- local test = import("test", {rootdir = "/tmp/xxx", anonymous = true})
--- test()
+-- => only return imported module and do not cache it
 --
 -- @note the polymiorphism is not supported for import.inherit mode now.
 --
@@ -303,7 +303,7 @@ function sandbox_import.import(name, args)
     local modules_sandbox_dir = path.join(xmake._CORE_DIR, "sandbox/modules/import")
 
     -- the extension modules directory
-    local modules_extension_dir = path.join(xmake._PROGRAM_DIR, "modules")
+    local modules_extension_dir = path.join(os.programdir(), "modules")
 
     -- the global modules directory for users
     local modules_global_dir = path.join(global.directory(), "modules")
diff --git a/xmake/core/sandbox/modules/import/lib/detect/find_package.lua b/xmake/core/sandbox/modules/import/lib/detect/find_package.lua
new file mode 100644
index 000000000..a225945b7
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/lib/detect/find_package.lua
@@ -0,0 +1,133 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        find_package.lua
+--
+
+-- define module
+local sandbox_lib_detect_find_package = sandbox_lib_detect_find_package or {}
+
+-- load modules
+local os                = require("base/os")
+local path              = require("base/path")
+local utils             = require("base/utils")
+local table             = require("base/table")
+local option            = require("base/option")
+local cache             = require("project/cache")
+local project           = require("project/project")
+local raise             = require("sandbox/modules/raise")
+local import            = require("sandbox/modules/import")
+
+-- find package from repositories
+function sandbox_lib_detect_find_package._find_from_repositories(name, opt)
+
+    -- TODO in repo branch
+end
+
+-- find package from modules (detect.package.find_xxx)
+function sandbox_lib_detect_find_package._find_from_modules(name, opt)
+
+    -- "detect.package.find_xxx" exists?
+    if os.isfile(path.join(os.programdir(), "modules", "detect", "package", "find_" .. name .. ".lua")) then
+        local find_package = import("detect.package.find_" .. name, {anonymous = true})
+        if find_package then
+            return find_package(opt)
+        end
+    end
+end
+
+-- find package from system
+function sandbox_lib_detect_find_package._find_from_system(name, opt)
+    -- TODO
+end
+
+-- find package
+function sandbox_lib_detect_find_package._find(name, opt)
+
+    -- init find scripts
+    local findscripts = 
+    {
+        sandbox_lib_detect_find_package._find_from_repositories
+    ,   sandbox_lib_detect_find_package._find_from_modules
+    ,   sandbox_lib_detect_find_package._find_from_system
+    }
+
+    -- find it
+    for _, find in ipairs(findscripts) do
+        local package = find(name, opt)
+        if package then
+            return package
+        end
+    end
+end
+
+-- find package 
+--
+-- @param name      the package name
+-- @param opt       the package options. e.g. {version = ">1.0.1", pathes = {"/usr/lib"}}
+--
+-- @return          {links = {"ssl", "crypto", "z"}, linkdirs = {"/usr/local/lib"}, includedirs = {"/usr/local/include"}, version = "1.0.2"}
+--
+-- @code 
+--
+-- local package = find_package("openssl")
+-- local package = find_package("openssl", {version = ">1.0.1"})
+-- local package = find_package("openssl", {pathes = {"/usr/lib", "/usr/local/lib", "/usr/local/include"}, version = ">1.0.1"})
+-- 
+-- @endcode
+--
+function sandbox_lib_detect_find_package.main(name, opt)
+
+    -- get detect cache 
+    local detectcache = cache(utils.ifelse(os.isfile(project.file()), "local.detect", "memory.detect"))
+ 
+    -- attempt to get result from cache first
+    local cacheinfo = detectcache:get("find_package") or {}
+    local result = cacheinfo[name]
+    if result ~= nil then
+        return utils.ifelse(result, result, nil)
+    end
+
+    -- find package
+    result = sandbox_lib_detect_find_package._find(name, opt) 
+
+    -- cache result
+    cacheinfo[name] = utils.ifelse(result, result, false)
+
+    -- save cache info
+    detectcache:set("find_program", cacheinfo)
+    detectcache:flush()
+
+    -- trace
+    if option.get("verbose") then
+        if result then
+            utils.cprint("checking for the %s ... ${green}ok", name)
+        else
+            utils.cprint("checking for the %s ... ${red}no", name)
+        end
+    end
+
+    -- ok?
+    return result
+end
+
+-- return module
+return sandbox_lib_detect_find_package
diff --git a/xmake/modules/detect/package/find_openssl.lua b/xmake/modules/detect/package/find_openssl.lua
new file mode 100644
index 000000000..fb1af8c6a
--- /dev/null
+++ b/xmake/modules/detect/package/find_openssl.lua
@@ -0,0 +1,37 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        find_openssl.lua
+--
+
+-- imports
+import("lib.detect.find_file")
+import("lib.detect.find_library")
+
+-- find openssl 
+--
+-- @param opt   the package options. e.g. see the options of find_package()
+--
+-- @return      see the return value of find_package()
+--
+function main(opt)
+    -- TODO
+end