pdn: add bazel BUILD

Signed-off-by: Matt Liberty <[email protected]>

Author: maliberty

BUILD.bazel

@@ -67,6 +67,7 @@ OPENROAD_LIBRARY_DEPS = [
     "//src/mpl",
     "//src/odb",
     "//src/pad",
+    "//src/pdn",
     "//src/ppl",
     "//src/psm",
     "//src/rcx",
@@ -240,15 +241,6 @@ tcl_encode(
     namespace = "drt",
 )
 
-tcl_encode(
-    name = "pdngen_tcl",
-    srcs = [
-        "src/pdn/src/pdn.tcl",
-    ],
-    char_array_name = "pdn_tcl_inits",
-    namespace = "pdn",
-)
-
 tcl_encode(
     name = "openroad_tcl",
     srcs = [":tcl_util"] + [
@@ -291,23 +283,6 @@ tcl_wrap_cc(
     ],
 )
 
-tcl_wrap_cc(
-    name = "pdngen_swig",
-    srcs = [
-        "src/pdn/src/PdnGen.i",
-        ":error_swig",
-        "//src/odb:swig_imports",
-    ],
-    module = "pdn",
-    namespace_prefix = "pdn",
-    root_swig_src = "src/pdn/src/PdnGen.i",
-    swig_includes = [
-        "src/odb/src/swig/common",
-        "src/odb/src/swig/tcl",
-        "src/pdn/src",
-    ],
-)
-
 tcl_wrap_cc(
     name = "openroad_swig",
     srcs = [

bazel/build_helper.bzl

@@ -23,9 +23,6 @@ OPENROAD_BINARY_SRCS_WITHOUT_MAIN = [
     #TritonRoute
     ":triton_route_swig",
     ":triton_route_tcl",
-    #PDNGen
-    ":pdngen_tcl",
-    ":pdngen_swig",
     #RMP
     ":rmp_swig",
     ":rmp_tcl",
@@ -40,8 +37,6 @@ OPENROAD_LIBRARY_HDRS_INCLUDE = [
     #TritonRoute
     "src/drt/include/triton_route/*.h",
     "src/drt/src/db/infra/*.hpp",
-    #PDNGen
-    "src/pdn/include/pdn/*.hh",
     #RMP
     "src/rmp/src/*.h",
     "src/rmp/include/rmp/*.h",
@@ -65,9 +60,6 @@ OPENROAD_LIBRARY_INCLUDES = [
     "src/drt/include/triton_route",
     "src/drt/src",
     "src/drt/include",
-    #PDNGen
-    "src/pdn/include",
-    "src/pdn/include/pdn",
     #RMP
     "src/rmp/include",
     #dft
@@ -99,10 +91,6 @@ OPENROAD_LIBRARY_SRCS_INCLUDE = [
     "src/drt/src/**/*.h",
     "src/drt/src/**/*.cpp",
     "src/drt/src/**/*.cc",
-    #PDNGen
-    "src/pdn/src/*.cc",
-    "src/pdn/src/*.cpp",
-    "src/pdn/src/*.h",
     #RMP
     "src/rmp/src/*.cpp",
     #dft

src/pdn/BUILD

@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright (c) 2025, The OpenROAD Authors
+
+load("//bazel:tcl_encode_or.bzl", "tcl_encode")
+load("//bazel:tcl_wrap_cc.bzl", "tcl_wrap_cc")
+
+package(
+    default_visibility = ["//:__subpackages__"],
+    features = ["layering_check"],
+)
+
+cc_library(
+    name = "pdn",
+    srcs = [
+        "src/MakePdnGen.cc",
+        "src/PdnGen.cc",
+        "src/connect.cpp",
+        "src/connect.h",
+        "src/domain.cpp",
+        "src/domain.h",
+        "src/grid.cpp",
+        "src/grid.h",
+        "src/grid_component.cpp",
+        "src/grid_component.h",
+        "src/power_cells.cpp",
+        "src/power_cells.h",
+        "src/renderer.cpp",
+        "src/renderer.h",
+        "src/rings.cpp",
+        "src/rings.h",
+        "src/shape.cpp",
+        "src/shape.h",
+        "src/sroute.cpp",
+        "src/sroute.h",
+        "src/straps.cpp",
+        "src/straps.h",
+        "src/techlayer.cpp",
+        "src/techlayer.h",
+        "src/via.cpp",
+        "src/via.h",
+        "src/via_repair.cpp",
+        "src/via_repair.h",
+        ":swig",
+        ":tcl",
+    ],
+    hdrs = [
+        "include/pdn/MakePdnGen.hh",
+        "include/pdn/PdnGen.hh",
+    ],
+    copts = [
+        "-Wno-missing-braces",  # from TCL swigging
+    ],
+    includes = [
+        "include",
+    ],
+    deps = [
+        "//:ord",
+        "//src/gui",
+        "//src/odb",
+        "//src/utl",
+        "@boost.geometry",
+        "@boost.polygon",
+        "@tk_tcl//:tcl",
+    ],
+)
+
+tcl_encode(
+    name = "tcl",
+    srcs = [
+        "src/pdn.tcl",
+    ],
+    char_array_name = "pdn_tcl_inits",
+    namespace = "pdn",
+)
+
+tcl_wrap_cc(
+    name = "swig",
+    srcs = [
+        "src/PdnGen.i",
+        "//:error_swig",
+    ],
+    module = "pdn",
+    namespace_prefix = "pdn",
+    root_swig_src = "src/PdnGen.i",
+    swig_includes = [
+        "src/pdn/src",
+    ],
+    deps = [
+        "//src/odb:swig",
+    ],
+)