improve includes

1 files changed, 79 insertions, 0 deletions

diff --git a/xmake/includes/check/check_cflags.lua b/xmake/includes/check/check_cflags.lua
new file mode 100644
index 000000000..5da75b699
--- /dev/null
+++ b/xmake/includes/check/check_cflags.lua
@@ -0,0 +1,79 @@
+--!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, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        check_cflags.lua
+--
+
+-- check c flags and add macro definition
+--
+-- e.g.
+--
+-- check_cflags("HAS_SSE2", "-msse2")
+-- check_cflags("HAS_SSE2", {"-msse", "-msse2"})
+--
+function check_cflags(definition, flags, opt)
+    opt = opt or {}
+    local optname = opt.name or ("__" .. definition)
+    interp_save_scope()
+    option(optname)
+        set_showmenu(false)
+        add_defines(definition)
+        on_check(function (option)
+            import("core.tool.compiler")
+            if compiler.has_flags("c", flags, opt) then
+                option:enable(true)
+            end
+        end)
+    option_end()
+    interp_restore_scope()
+    add_options(optname)
+end
+
+-- check c flags and add macro definition to the configuration flags
+--
+-- e.g.
+--
+-- configvar_check_cflags("HAS_SSE2", "-msse2")
+-- configvar_check_cflags("HAS_SSE2", {"-msse", "-msse2"})
+-- configvar_check_cflags("HAS_SSE2", "-msse2", {default = 0})
+-- configvar_check_cflags("SSE_STR=2", "-msse2")
+-- configvar_check_cflags("SSE=2", "-msse2", {quote = false})
+--
+function configvar_check_cflags(definition, flags, opt)
+    opt = opt or {}
+    local optname = opt.name or ("__" .. definition)
+    local defname, defval = table.unpack(definition:split('='))
+    interp_save_scope()
+    option(optname)
+        set_showmenu(false)
+        if opt.default == nil then
+            set_configvar(defname, defval or 1, {quote = opt.quote})
+        end
+        on_check(function (option)
+            import("core.tool.compiler")
+            if compiler.has_flags("c", flags, opt) then
+                option:enable(true)
+            end
+        end)
+    option_end()
+    interp_restore_scope()
+    if opt.default == nil then
+        add_options(optname)
+    else
+        set_configvar(defname, has_config(optname) and (defval or 1) or opt.default, {quote = opt.quote})
+    end
+end