--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/CMakeLists.txt	Sat Mar 02 19:06:28 2019 +0900
@@ -0,0 +1,76 @@
+cmake_minimum_required(VERSION 3.8)
+
+set(USE_CUDA,0)
+# -DUSE_CUDA
+#  add_definitions("-Wall -g -O")
+
+set(CMAKE_C_COMPILER $ENV{CBC_COMPILER})
+add_definitions("-Wall -g")
+
+# -DCMAKE_BUILD_TYPE=Debug
+set(CMAKE_C_FLAGS_DEBUG "-O0")
+
+if (${USE_CUDA})
+    include_directories("/usr/local/cuda/include")
+    set(NVCCFLAG "-std=c++11" "-g" "-O0" )
+    if (UNIX AND NOT APPLE) # LINUX
+        set(CUDA_LINK_FLAGS "-L/usr/local/cuda/lib64 -lcuda -lcudart")
+    elseif (APPLE)
+        set(CUDA_LINK_FLAGS "-framework CUDA -lc++ -Wl,-search_paths_first -Wl,-headerpad_max_install_names /usr/local/cuda/lib/libcudart_static.a -Wl,-rpath,/usr/local/cuda/lib")
+    endif()
+    find_package(CUDA REQUIRED)
+    SET( CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} ${CUDA_LINK_FLAGS}" )
+endif()
+
+include_directories(".")
+
+macro( GearsCommand )
+    set( _OPTIONS_ARGS )
+    set( _ONE_VALUE_ARGS TARGET )
+    set( _MULTI_VALUE_ARGS SOURCES )
+    cmake_parse_arguments( _Gears "${_OPTIONS_ARGS}" "${_ONE_VALUE_ARGS}" "${_MULTI_VALUE_ARGS}" ${ARGN} )
+
+    set (_Gears_CSOURCES)
+    foreach(i ${_Gears_SOURCES})
+        if (${i} MATCHES "\\.cbc")
+            string(REGEX REPLACE "(.*).cbc" "c/\\1.c" j ${i})
+            add_custom_command (
+                OUTPUT    ${j}
+                DEPENDS   ${i}
+                COMMAND  "perl" "gearsTools/generate_stub.pl" "-o" ${j} ${i}
+            )
+            list(APPEND _Gears_CSOURCES ${j})
+        elseif (${i} MATCHES "\\.cu")
+            string(REGEX REPLACE "(.*).cu" "c/\\1.ptx" j ${i})
+            add_custom_command (
+                OUTPUT    ${j}
+                DEPENDS   ${i}
+                COMMAND  nvcc ${NVCCFLAG} -c -ptx -o ${j} ${i}
+            )
+            list(APPEND _Gears_CSOURCES ${j})
+        else()
+            set(j ${i})
+        endif()
+    endforeach(i)
+
+    add_custom_command (
+          OUTPUT    c/${_Gears_TARGET}-context.c
+          DEPENDS   ${_Gears_CSOURCES}
+          COMMAND  "perl" "gearsTools/generate_context.pl" "-o" ${_Gears_TARGET} ${_Gears_CSOURCES}
+    )
+    add_executable(${_Gears_TARGET} ${_Gears_CSOURCES} c/${_Gears_TARGET}-context.c)
+    target_link_libraries(${_Gears_TARGET} m pthread)
+endmacro()
+
+
+GearsCommand(
+  TARGET
+      kernel
+  SOURCES
+	lib/string.c arm.c asm.S bio.c buddy.c console.cbc exec.c file.c fs.c log.c main.c memide.c pipe.c proc.c spinlock.c
+	start.c swtch.S syscall.c sysfile.c sysproc.c trap_asm.S trap.c vm.c device/picirq.c device/timer.c device/uart.c
+        entry-osx.S 
+)
+
+
+