drt: use relative paths to the respective implementation headers.

This makes it easier to follow where things are, as well as reduces
the proliferation of needed `-I` include search paths.

Signed-off-by: Henner Zeller <[email protected]>

Author: hzeller

src/drt/BUILD

@@ -196,12 +196,6 @@ cc_library(
     ],
     copts = [
         "-Isrc/drt/src",
-        "-Isrc/drt/src/dr",
-        "-Isrc/drt/src/gc",
-        "-Isrc/drt/src/io",
-        "-Isrc/drt/src/pa",
-        "-Isrc/drt/src/rp",
-        "-Isrc/drt/src/ta",
         "-fopenmp",
     ],
     includes = [

src/drt/src/db/infra/frTime.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // Copyright (c) 2019-2025, The OpenROAD Authors
 
-#include "frTime.h"
+#include "db/infra/frTime.h"
 
 #include <chrono>
 #include <iomanip>

src/drt/src/db/obj/frAccess.h

@@ -13,7 +13,7 @@
 
 #include "db/infra/frPoint.h"
 #include "db/obj/frBlockObject.h"
-#include "frShape.h"
+#include "db/obj/frShape.h"
 
 namespace drt {
 class frViaDef;

src/drt/src/db/obj/frInst.cpp

@@ -3,8 +3,8 @@
 
 #include "db/obj/frInst.h"
 
-#include "frBlock.h"
-#include "frMaster.h"
+#include "db/obj/frBlock.h"
+#include "db/obj/frMaster.h"
 namespace drt {
 
 Rect frInst::getBBox() const

src/drt/src/db/obj/frRPin.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // Copyright (c) 2019-2025, The OpenROAD Authors
 
-#include "frRPin.h"
+#include "db/obj/frRPin.h"
 
 #include <iostream>
 

src/drt/src/db/tech/frConstraint.cc

@@ -1,11 +1,11 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // Copyright (c) 2022-2025, The OpenROAD Authors
 
-#include "frConstraint.h"
+#include "db/tech/frConstraint.h"
 
 #include <string>
 
-#include "frLayer.h"
+#include "db/tech/frLayer.h"
 #include "utl/Logger.h"
 namespace drt {
 

src/drt/src/db/tech/frConstraint.h

@@ -13,9 +13,9 @@
 #include <vector>
 
 #include "db/tech/frLookupTbl.h"
+#include "db/tech/frViaDef.h"
+#include "db/tech/frViaRuleGenerate.h"
 #include "frBaseTypes.h"
-#include "frViaDef.h"
-#include "frViaRuleGenerate.h"
 #include "odb/db.h"
 #include "utl/Logger.h"
 

src/drt/src/distributed/PinAccessJobDescription.h

@@ -6,8 +6,8 @@
 #include <vector>
 
 #include "boost/serialization/base_object.hpp"
+#include "distributed/paUpdate.h"
 #include "dst/JobMessage.h"
-#include "paUpdate.h"
 namespace boost::serialization {
 class access;
 }

src/drt/src/distributed/frArchive.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // Copyright (c) 2021-2025, The OpenROAD Authors
 
-#include "frArchive.h"
+#include "distributed/frArchive.h"
 
 #include <istream>
 #include <ostream>

src/drt/src/dr/FlexDR_graphics.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // Copyright (c) 2020-2025, The OpenROAD Authors
 
-#include "FlexDR_graphics.h"
+#include "dr/FlexDR_graphics.h"
 
 #include <algorithm>
 #include <any>
@@ -15,7 +15,7 @@
 #include <vector>
 
 #include "../gc/FlexGC.h"
-#include "FlexDR.h"
+#include "dr/FlexDR.h"
 #include "odb/dbTypes.h"
 #include "odb/geom.h"