improve ldc2 and gdc

3 files changed, 102 insertions, 2 deletions

diff --git a/xmake/modules/detect/tools/gcc/has_flags.lua b/xmake/modules/detect/tools/gcc/has_flags.lua
index 04956998b..43d4ea53e 100644
--- a/xmake/modules/detect/tools/gcc/has_flags.lua
+++ b/xmake/modules/detect/tools/gcc/has_flags.lua
@@ -33,7 +33,7 @@ function _islinker(flags, opt)
 
     -- the tool kind is ld or sh?
     local toolkind = opt.toolkind or ""
-    return toolkind == "ld" or toolkind == "sh" or toolkind:endswith("-ld") or toolkind:endswith("-sh")
+    return toolkind == "ld" or toolkind == "sh" or toolkind:endswith("ld") or toolkind:endswith("sh")
 end
 
 -- try running 
diff --git a/xmake/modules/detect/tools/gdc/has_flags.lua b/xmake/modules/detect/tools/gdc/has_flags.lua
index bc4987385..b16c07bc3 100644
--- a/xmake/modules/detect/tools/gdc/has_flags.lua
+++ b/xmake/modules/detect/tools/gdc/has_flags.lua
@@ -19,5 +19,105 @@
 --
 
 -- imports
-inherit("detect.tools.dmd.has_flags")
+import("lib.detect.cache")
+import("core.language.language")
+
+-- is linker?
+function _islinker(flags, opt)
+  
+    -- the flags is "-Wl,<arg>" or "-Xlinker <arg>"?
+    local flags_str = table.concat(flags, " ")
+    if flags_str:startswith("-Wl,") or flags_str:startswith("-Xlinker ") then
+        return true
+    end
+
+    -- the tool kind is ld or sh?
+    local toolkind = opt.toolkind or ""
+    return toolkind == "dcld" or toolkind == "dcsh"
+end
+
+-- try running 
+function _try_running(program, argv, opt)
+    local errors = nil
+    return try { function () os.runv(program, argv, opt); return true end, catch { function (errs) errors = (errs or ""):trim() end }}, errors
+end
+
+-- attempt to check it from the argument list
+function _check_from_arglist(flags, opt, islinker)
+
+    -- only for compiler
+    if islinker or #flags > 1 then
+        return 
+    end
+
+    -- make cache key
+    local key = "detect.tools.gdc.has_flags"
+
+    -- make flags key
+    local flagskey = opt.program .. "_" .. (opt.programver or "")
+
+    -- load cache
+    local cacheinfo  = cache.load(key)
+
+    -- get all flags from argument list
+    local allflags = cacheinfo[flagskey]
+    if not allflags then
+
+        -- get argument list
+        allflags = {}
+        local arglist = os.iorunv(opt.program, {"--help"}, {envs = opt.envs})
+        if arglist then
+            for arg in arglist:gmatch("%s+(%-[%-%a%d]+)%s+") do
+                allflags[arg] = true
+            end
+        end
+
+        -- save cache
+        cacheinfo[flagskey] = allflags
+        cache.save(key, cacheinfo)
+    end
+
+    -- ok?
+    return allflags[flags[1]]
+end
+
+-- try running to check flags
+function _check_try_running(flags, opt, islinker)
+
+    -- make an stub source file
+    local sourcefile = path.join(os.tmpdir(), "detect", "gdc_has_flags.d")
+    if not os.isfile(sourcefile) then
+        io.writefile(sourcefile, "void main()\n{}")
+    end
+
+    -- check flags for linker
+    if islinker then
+        return _try_running(opt.program, table.join(flags, "-o", os.tmpfile(), sourcefile), opt)
+    end
+
+    -- check flags for compiler
+    -- @note we cannot use os.nuldev() as the output file, maybe run failed for some flags, e.g. --coverage
+    return _try_running(opt.program, table.join(flags, "-S", "-o", os.tmpfile(), sourcefile), opt)
+end
+
+-- has_flags(flags)?
+-- 
+-- @param opt   the argument options, e.g. {toolname = "", program = "", programver = "", toolkind = "[cc|cxx|ld|ar|sh|gc|mm|mxx]"}
+--
+-- @return      true or false
+--
+function main(flags, opt)
+
+    -- is linker?
+    local islinker = _islinker(flags, opt)
+
+    -- attempt to check it from the argument list
+    if _check_from_arglist(flags, opt, islinker) then
+        return true
+    end
+
+    -- try running to check it
+    return _check_try_running(flags, opt, islinker)
+end
+
 
diff --git a/xmake/modules/detect/tools/ldc/has_flags.lua b/xmake/modules/detect/tools/ldc2/has_flags.lua
index bc4987385..bc4987385 100644
--- a/xmake/modules/detect/tools/ldc/has_flags.lua
+++ b/xmake/modules/detect/tools/ldc2/has_flags.lua