Support for incremental compilation and parse header file deps for keil/armcc

1 files changed, 21 insertions, 0 deletions

diff --git a/xmake/modules/core/tools/armcc.lua b/xmake/modules/core/tools/armcc.lua
index 403e143f0..d9f504eea 100644
--- a/xmake/modules/core/tools/armcc.lua
+++ b/xmake/modules/core/tools/armcc.lua
@@ -131,9 +131,20 @@ function compile(self, sourcefile, objectfile, dependinfo, flags)
     os.mkdir(path.directory(objectfile))
 
     -- compile it
+    local depfile = dependinfo and os.tmpfile() or nil
     try
     {
         function ()
+            -- support '--depend',I don't know how to get it,it is not implemented
+            -- if depfile and _g._HAS_MMD_MF == nil then
+            --     _g._HAS_MMD_MF = self:has_flags({"--depend", os.nuldev()}, "cxflags", { flagskey = "--depend" }) or false
+            -- end
+            _g._HAS_MMD_MF = true
+            -- -- generate includes file
+            local compflags = flags
+            if depfile and _g._HAS_MMD_MF then
+                compflags = table.join(compflags, "--depend", depfile)
+            end
             local outdata, errdata = os.iorunv(compargv(self, sourcefile, objectfile, flags))
             return (outdata or "") .. (errdata or "")
         end,
@@ -175,6 +186,16 @@ function compile(self, sourcefile, objectfile, dependinfo, flags)
                     end
                     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_armcc = io.readfile(depfile, {continuation = "\\"})
+                    end
+
+                    -- remove the temporary dependent file
+                    os.tryrm(depfile)
+                end
             end
         }
     }