add warning for matching files

3 files changed, 17 insertions, 3 deletions

diff --git a/xmake/scripts/base/config.lua b/xmake/scripts/base/config.lua
index 1da6ebbca..3cea6a652 100644
--- a/xmake/scripts/base/config.lua
+++ b/xmake/scripts/base/config.lua
@@ -229,8 +229,8 @@ function config.load()
                 -- make the current target configs
                 local current = config._make(configs)
 
-                -- clear configs and mark as "rebuild" and "reconfig" if the host has been changed
-                if current and current.host ~= xmake._HOST then
+                -- clear configs and mark as "rebuild" and "reconfig" if the host has been changed 
+                if (current and current.host ~= xmake._HOST) then
 
                     -- clear configs and mark as "rebuild"
                     config._CONFIGS = { __rebuild = true }
diff --git a/xmake/scripts/base/makefile.lua b/xmake/scripts/base/makefile.lua
index 522e62bad..9dbf1ae35 100644
--- a/xmake/scripts/base/makefile.lua
+++ b/xmake/scripts/base/makefile.lua
@@ -343,6 +343,17 @@ function makefile._make_targets(file)
     return true
 end
 
+-- get the makefile path
+function makefile.path()
+
+    -- get the build directory
+    local buildir = config.get("buildir")
+    assert(buildir)
+
+    -- get it
+    return path.translate(buildir .. "/makefile")
+end
+
 -- make makefile in the build directory
 function makefile.make()
 
@@ -361,7 +372,7 @@ function makefile.make()
     assert(logfile)
 
     -- open the makefile 
-    local path = buildir .. "/makefile"
+    local path = makefile.path() 
     local file = io.openmk(path)
     if not file then
         -- error
diff --git a/xmake/scripts/base/rule.lua b/xmake/scripts/base/rule.lua
index d4f15a456..e165c6533 100644
--- a/xmake/scripts/base/rule.lua
+++ b/xmake/scripts/base/rule.lua
@@ -208,6 +208,9 @@ function rule.sourcefiles(target)
 
         -- match source files
         local files = os.match(targetfile)
+        if #files == 0 then
+            utils.warning("cannot match add_files(\"%s\")", targetfile)
+        end
 
         -- process source files
         for _, file in ipairs(files) do