Fix hdrs command error and deps format parsing error

src/blade/target.py

@@ -90,7 +90,7 @@ def _parse_target(dep):
         result = ('', '', msgs)
     else:
         if path:
-            path = os.path.normpath(path)
+            path = os.path.normpath(path).replace('\\', '/') # windows
         result = (path, name, None)
     _parse_target.cache[dep] = result
     return result
@@ -440,6 +440,7 @@ def _add_location_reference_target(self, m):
     def _unify_dep(self, dep):
         """Unify dep to key."""
         (path, name, msgs) = _parse_target(dep)
+        console.warning(f'uni: dep={dep}, path={path}')
 
         if msgs:
             for msg in msgs:
@@ -463,7 +464,7 @@ def _unify_dep(self, dep):
             else:
                 # Depend on library in current directory
                 path = self.path
-
+        console.warning(f'_unify_dep: dep={dep}, path={path}')
         return '%s:%s' % (path, name)
 
     def _init_target_deps(self, deps):
@@ -480,6 +481,7 @@ def _init_target_deps(self, deps):
         """
         for d in deps:
             dkey = self._unify_dep(d)
+            console.warning(f'deps={deps}, dkey={dkey}')
             if dkey and dkey not in self.deps:
                 self.deps.append(dkey)
 

src/blade/toolchain.py

@@ -506,8 +506,10 @@ def _hdrs_command(self, flags, cppflags, includes):
         Command to generate cc inclusion information file for header file to check dependency missing.
         See https://learn.microsoft.com/en-us/cpp/build/reference/showincludes-list-include-files for details.
         """
+        # If there is not #include in the file, findstr will fail, use "|| ver>nul" to ignore the error.
+        # https://stackoverflow.com/questions/22046780/whats-the-windows-command-shell-equivalent-of-bashs-true-command
         cmd = ('cmd.exe /c %s /nologo /c /E /Zs /TP /showIncludes %s %s /w ${cppflags} %s ${includes} ${in} 2>&1 >nul |'
-               ' findstr "Note: including file" >${out} && type ${out}'% (
+               ' findstr "Note: including file" >${out} || ver>nul'% (
             self.cc, ' '.join(flags), ' '.join(cppflags), includes))
 
         # If the first cpp command fails, the second cpp command will be executed.