fix cmake build

cxx/prebuild.sh

@@ -0,0 +1,33 @@
+if [ -d "./cxx/" ];then
+    rm -r ./cxx
+fi
+
+mkdir ./cxx
+
+sed 's/\#include \"quickjs\/quickjs.h\"/\#include \"quickjs.h\"/g' ../cxx/ffi.h > ./cxx/ffi.h
+cp ../cxx/ffi.cpp ./cxx/ffi.cpp
+
+quickjs_version=$(cat ../cxx/quickjs/VERSION)
+
+sed '1i\
+\#define CONFIG_VERSION \"'$quickjs_version'\"\
+' ../cxx/quickjs/quickjs.c > ./cxx/quickjs.c
+
+quickjs_src=(
+    "list.h"
+    "cutils.c"
+    "libregexp.c"
+    "libunicode.c"
+    "cutils.h"
+    "libregexp.h"
+    "libunicode.h"
+    "quickjs.h"
+    "quickjs-atom.h"
+    "quickjs-opcode.h"
+    "libregexp-opcode.h"
+    "libunicode-table.h"
+)
+for item in ${quickjs_src[*]}
+do
+    cp ../cxx/quickjs/$item ./cxx/$item
+done