improve ldc

3 files changed, 33 insertions, 17 deletions

diff --git a/xmake/modules/core/tools/dmd.lua b/xmake/modules/core/tools/dmd.lua
index cb364c92c..9e3001aeb 100644
--- a/xmake/modules/core/tools/dmd.lua
+++ b/xmake/modules/core/tools/dmd.lua
@@ -73,10 +73,17 @@ end
 
 -- make the symbol flag
 function nf_symbol(self, level)
-    local maps = {
-        debug = "-g -debug"
-    }
-    return maps[level]
+    local kind = self:kind()
+    if language.sourcekinds()[kind] then
+        local maps = _g.symbol_maps
+        if not maps then
+            maps = {
+                debug  = {"-g", "-debug"}
+            }
+            _g.symbol_maps = maps
+        end
+        return maps[level .. '_' .. kind] or maps[level]
+    end
 end
 
 -- make the warning flag
diff --git a/xmake/modules/core/tools/ldc2.lua b/xmake/modules/core/tools/ldc2.lua
index 86c821252..3a2dbf160 100644
--- a/xmake/modules/core/tools/ldc2.lua
+++ b/xmake/modules/core/tools/ldc2.lua
@@ -20,6 +20,7 @@
 
 -- imports
 inherit("dmd")
+import("core.language.language")
 
 -- init it
 function init(self)
@@ -37,20 +38,28 @@ end
 -- make the optimize flag
 function nf_optimize(self, level)
     local maps = {
-        fast        = "-O"
-    ,   faster      = {"-O", "--release"}
-    ,   fastest     = {"-O", "--release", "--boundscheck=off"}
-    ,   smallest    = {"-O", "--release", "--boundscheck=off"}
-    ,   aggressive  = {"-O", "--release", "--boundscheck=off"}
+        none        = "--O0"
+    ,   fast        = "--O1"
+    ,   faster      = {"--O2", "--release"}
+    ,   fastest     = {"--O3", "--release", "--boundscheck=off"}
+    ,   smallest    = {"--Oz", "--release", "--boundscheck=off"}
+    ,   aggressive  = {"--O4", "--release", "--boundscheck=off"}
     }
     return maps[level]
 end
 
 -- make the symbol flag
 function nf_symbol(self, level)
-    local maps = {
-        debug = "-g --d-debug"
-    }
-    return maps[level]
+    local kind = self:kind()
+    if language.sourcekinds()[kind] then
+        local maps = _g.symbol_maps
+        if not maps then
+            maps = {
+                debug  = {"-g", "--d-debug"}
+            ,   hidden = "-fvisibility=hidden"
+            }
+            _g.symbol_maps = maps
+        end
+        return maps[level .. '_' .. kind] or maps[level]
+    end
 end
-
diff --git a/xmake/rules/dlang/build_optimization/config.lua b/xmake/rules/dlang/build_optimization/config.lua
index 0df57179b..c79d9f062 100644
--- a/xmake/rules/dlang/build_optimization/config.lua
+++ b/xmake/rules/dlang/build_optimization/config.lua
@@ -26,9 +26,9 @@ import("core.project.project")
 function _add_lto_optimization(target)
     if target:has_tool("dc", "ldc2") and target:has_tool("dcld", "ldc2") then
         target:add("dcflags", "-flto=thin", {force = true})
-        target:add("ldflags", "-flto=thin", {force = true})
-        target:add("shflags", "-flto=thin", {force = true})
-        -- to use the link-time optimizer, -flto and optimization options should be specified at compile time and during the final link.
+        target:add("ldflags", "-flto=thin", "-defaultlib=phobos2-ldc-lto,druntime-ldc-lto", {force = true})
+        target:add("shflags", "-flto=thin", "-defaultlib=phobos2-ldc-lto,druntime-ldc-lto", {force = true})
+        -- to use the link-time optimizer, lto and optimization options should be specified at compile time and during the final link.
         -- @see https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
         local optimize = target:get("optimize")
         if optimize then