Merge pull request #81 from siliconcompiler/rm-sub

remove dependence on openroad

Author: gadfort

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "siliconcompiler"]
-	path = siliconcompiler
-	url = ../siliconcompiler

CMakeLists.txt

@@ -13,27 +13,6 @@ find_package(PythonLibs)
 find_package(PythonExtensions)
 find_package(Cython REQUIRED)
 
-set(TOOLS_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/siliconcompiler/siliconcompiler/toolscripts/_tools.py)
-
-execute_process(
-  COMMAND python3 ${TOOLS_SCRIPT} --tool openroad --field git-url
-  OUTPUT_VARIABLE openroad_URL
-)
-string(STRIP ${openroad_URL} openroad_URL)
-execute_process(
-  COMMAND python3 ${TOOLS_SCRIPT} --tool openroad --field git-commit
-  OUTPUT_VARIABLE openroad_COMMIT
-)
-string(STRIP ${openroad_COMMIT} openroad_COMMIT)
-
-include(FetchContent)
-FetchContent_Declare(openroad
-  GIT_REPOSITORY    ${openroad_URL}
-  GIT_TAG           ${openroad_COMMIT}
-  CONFIGURE_COMMAND ""
-  BUILD_COMMAND     ""
-)
-
 # Needed to find *.pxd file
 include_directories(${CMAKE_CURRENT_LIST_DIR}/sc_leflib)
 
@@ -62,9 +41,8 @@ if(NOT WIN32)
     target_compile_options(_leflib PRIVATE -Wall -Werror -Wno-error=deprecated-declarations)
 endif()
 
-FetchContent_Populate(openroad)
 # Stuff to include Si2 LEF library
-set(LEF_DIR ${openroad_SOURCE_DIR}/src/odb/src/lef)
+set(LEF_DIR ${CMAKE_CURRENT_LIST_DIR}/lef)
 
 # this lets us include lef headers
 include_directories(${LEF_DIR}/lef)

lef/CMakeLists.txt

@@ -0,0 +1,71 @@
+# BISON and ZLIB are required to compile LEF/LEF Parsers.
+find_package(BISON REQUIRED)
+find_package(ZLIB)
+
+bison_target(lef_parser
+             ${CMAKE_CURRENT_SOURCE_DIR}/lef/lef.y
+             ${CMAKE_CURRENT_BINARY_DIR}/lef_parser.cpp
+             COMPILE_FLAGS "--name-prefix=lefyy"
+)
+
+############################################################
+# Create a library for LEF
+############################################################
+add_library(lef
+  lef/crypt.cpp
+  lef/lefiArray.cpp
+  lef/lefiCrossTalk.cpp
+  lef/lefiDebug.cpp
+  lef/lefiEncryptInt.cpp
+  lef/lefiLayer.cpp
+  lef/lefiMacro.cpp
+  lef/lefiMisc.cpp
+  lef/lefiNonDefault.cpp
+  lef/lefiProp.cpp
+  lef/lefiPropType.cpp
+  lef/lefiTBExt.cpp
+  lef/lefiUnits.cpp
+  lef/lefiVia.cpp
+  lef/lefiViaRule.cpp
+  lef/lef_keywords.cpp
+  lef/lefrCallbacks.cpp
+  lef/lefrData.cpp
+  lef/lefrReader.cpp
+  lef/lefrSettings.cpp
+  lef/lefwWriterCalls.cpp
+  lef/lefwWriter.cpp
+  ${BISON_lef_parser_OUTPUT_SOURCE}
+)
+
+add_library(lefzlib
+  lefzlib/lefzlib.cpp
+)
+
+set_target_properties(lef lefzlib
+  PROPERTIES
+    # python regression requirement
+    POSITION_INDEPENDENT_CODE ON
+)
+
+# include directory settings
+target_include_directories(lef
+  PUBLIC
+    lef
+  PRIVATE
+    ${CMAKE_CURRENT_BINARY_DIR} # for lef_parser.hpp
+)
+
+target_include_directories(lefzlib
+  PUBLIC
+    lef
+    lefzlib
+)
+target_link_libraries(lefzlib
+    PUBLIC
+        ZLIB::ZLIB
+)
+
+target_compile_options(lef
+  PRIVATE
+  $<$<CXX_COMPILER_ID:GNU>:-Wno-class-memaccess>
+)

lef/LICENSE.TXT

@@ -0,0 +1,13 @@
+Copyright 2012 - 2017, Cadence Design Systems
+ 
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+ 
+    http://www.apache.org/licenses/LICENSE-2.0
+ 
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+See the License for the specific language governing permissions and 
+limitations under the License.

lef/README

@@ -0,0 +1 @@
+lefdefReadme.txt

lef/README.md

@@ -0,0 +1,7 @@
+Si2 LEF parser 5.8-p027 with CMake support
+
+See lefdefReadme.txt
+
+Source files:
+https://github.com/The-OpenROAD-Project/OpenROAD.git
+0fbd4d94c81ef070249ad9d9037a740d0c6e58fa