support include deps for tcc #5984

xmake/modules/core/tools/tcc.lua

@@ -144,15 +144,27 @@ end
 
 -- compile the source file
 function compile(self, sourcefile, objectfile, dependinfo, flags, opt)
-
-    -- ensure the object directory
+    opt = opt or {}
     os.mkdir(path.directory(objectfile))
 
-    -- compile it
+    local depfile = dependinfo and os.tmpfile() or nil
     try
     {
         function ()
-            local outdata, errdata = os.iorunv(compargv(self, sourcefile, objectfile, flags))
+
+            -- support `-MMD -MF depfile.d`? some old gcc does not support it at same time
+            if depfile and _g._HAS_MMD_MF == nil then
+                _g._HAS_MMD_MF = self:has_flags({"-MD", "-MF", os.nuldev()}, "cflags", { flagskey = "-MD -MF" }) or false
+            end
+
+            -- generate includes file
+            local compflags = flags
+            if depfile and _g._HAS_MMD_MF then
+                compflags = table.join(compflags, "-MD", "-MF", depfile)
+            end
+
+            -- do compile
+            local outdata, errdata = os.iorunv(compargv(self, sourcefile, objectfile, compflags))
             return (outdata or "") .. (errdata or "")
         end,
         catch
@@ -190,6 +202,16 @@ function compile(self, sourcefile, objectfile, dependinfo, flags, opt)
                 if warnings and #warnings > 0 and policy.build_warnings(opt) then
                     cprint("${color.warning}%s", table.concat(table.slice(warnings:split('\n'), 1, 8), '\n'))
                 end
+
+                -- generate the dependent includes
+                if depfile and os.isfile(depfile) then
+                    if dependinfo then
+                        dependinfo.depfiles_gcc = io.readfile(depfile, {continuation = "\\"})
+                    end
+
+                    -- remove the temporary dependent file
+                    os.tryrm(depfile)
+                end
             end
         }
     }