Creating CMakeLists for yosys submodule

Author: loglav03

CMakeLists.txt

@@ -420,7 +420,18 @@ if(${WITH_PARMYS}) # define cmake params to compile Yosys
     # else()
     #     set(CUSTOM_BUILD_PARALLEL_LEVEL "${CMAKE_BUILD_PARALLEL_LEVEL}")
     # endif()
-    add_subdirectory(yosys)
+    execute_process(
+        COMMAND git submodule update --init --recursive
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/yosys
+        RESULT_VARIABLE _submod_ret
+        OUTPUT_QUIET
+        ERROR_QUIET
+    )
+    if(NOT _submod_ret EQUAL 0)
+        message(FATAL_ERROR
+        "Failed to `git submodule update --init --recursive` in ${CMAKE_CURRENT_SOURCE_DIR}/yosys")
+    endif()
+    add_subdirectory(cmake/yosys)
 endif()
 
 add_subdirectory(libs) #libs/CMakeLists.txt handles adding warnings flags to non-external libraries

cmake/yosys/CMakeLists.txt

@@ -0,0 +1,68 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(yosys_wrapper NONE)
+
+# Create a target out of the library compilation result
+#SET(BINARY_LIB_FILE1 ${CMAKE_CURRENT_BINARY_DIR}/yosys1)
+#SET(BINARY_LIB_FILE2 ${CMAKE_CURRENT_BINARY_DIR}/yosys2)
+#SET(YOSYS_EXEC ${CMAKE_CURRENT_SOURCE_DIR}/yosys)
+#SET(BINARY_EXEC_FILE ${CMAKE_CURRENT_BINARY_DIR}/yosys)
+#SET(YOSYS_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR})
+SET(YOSYS_SRC_DIR ${CMAKE_SOURCE_DIR}/yosys CACHE PATH "")
+SET(YOSYS_BUILD_DIR ${CMAKE_BINARY_DIR}/yosys CACHE PATH "")
+
+set(CURRENT_CPPFLAGS "$(CPPFLAGS)-w")
+if(${CMAKE_GENERATOR} STREQUAL "Ninja")
+    set(CURRENT_CPPFLAGS "-w")
+endif()
+
+#Initialize yosys submodules
+#execute_process(
+#  COMMAND git submodule update --init --recursive
+#  WORKING_DIRECTORY ${YOSYS_SRC_DIR}
+#  RESULT_VARIABLE _submod_ret
+#  OUTPUT_QUIET
+#  ERROR_QUIET
+#)
+#if(NOT _submod_ret EQUAL 0)
+#  message(FATAL_ERROR
+#    "Failed to `git submodule update --init --recursive` in ${YOSYS_SRC_DIR}")
+#endif()
+
+# how to build the result of the library
+add_custom_command(OUTPUT yosys-bin
+        #COMMAND ${MAKE_PROGRAM} ENABLE_ABC=0
+#            -C ${CMAKE_CURRENT_BINARY_DIR}
+#            -f ${CMAKE_CURRENT_SOURCE_DIR}/Makefile #(out-of-tree) build directory
+            #PREFIX=${CMAKE_BINARY_DIR}
+        COMMAND ${MAKE_PROGRAM} -C ${YOSYS_SRC_DIR}
+            ENABLE_ABC=0
+            PREFIX=${YOSYS_BUILD_DIR}
+        COMMAND 
+#            -j${CUSTOM_BUILD_PARALLEL_LEVEL}
+            > /dev/null
+
+        #COMMAND ${MAKE_PROGRAM} install ENABLE_ABC=0
+#            -C ${CMAKE_CURRENT_BINARY_DIR}
+#            -f ${CMAKE_CURRENT_SOURCE_DIR}/Makefile #(out-of-tree) build directory
+            #PREFIX=${CMAKE_BINARY_DIR}
+         COMMAND ${MAKE_PROGRAM} -C ${YOSYS_SRC_DIR}
+            install ENABLE_ABC=0
+            PREFIX=${YOSYS_BUILD_DIR}
+            > /dev/null
+
+        WORKING_DIRECTORY ${YOSYS_SRC_DIR})
+
+add_custom_target(yosys ALL DEPENDS yosys-bin)
+
+# create a target out of the library compilation result
+#add_custom_target(yosys-qwerty ALL DEPENDS ${BINARY_LIB_FILE1})
+
+# specify where the library is and where to find the headers
+#set_target_properties(yosys-qwerty
+#        PROPERTIES PREFIX "" #Avoid extra 'lib' prefix
+#        IMPORTED_LOCATION ${BINARY_LIB_FILE1}
+#        INTERFACE_INCLUDE_DIRECTORIES ${YOSYS_INCLUDE_DIRS})
+
+
+#install(FILES ${BINARY_LIB_FILE1} DESTINATION ${CMAKE_CURRENT_BINARY_DIR})