Fix cmake build

CMakeLists.txt

@@ -33,9 +33,9 @@ else()
 endif()
 
 include_directories(${CMAKE_CURRENT_LIST_DIR}/include)
-file(GLOB_RECURSE POCKETPY_SRC_CPP ${CMAKE_CURRENT_LIST_DIR}/src/*.cpp)
+# file(GLOB_RECURSE POCKETPY_SRC_CPP ${CMAKE_CURRENT_LIST_DIR}/src/*.cpp)
 file(GLOB_RECURSE POCKETPY_SRC_C ${CMAKE_CURRENT_LIST_DIR}/src/*.c)
-set(POCKETPY_SRC ${POCKETPY_SRC_CPP} ${POCKETPY_SRC_C})
+set(POCKETPY_SRC ${POCKETPY_SRC_C})
 
 option(PK_USE_CJSON "" OFF)
 if(PK_USE_CJSON)
@@ -95,7 +95,7 @@ elseif(PK_BUILD_STATIC_LIB)
     add_library(${PROJECT_NAME} STATIC ${POCKETPY_SRC})
 else()
     set(PROJECT_EXE_NAME main)
-    add_executable(${PROJECT_EXE_NAME} src2/main.cpp)
+    add_executable(${PROJECT_EXE_NAME} src2/main.c)
     if (BUILD_TESTING_SANITIZE)
         # static linked main, for sanitizing purpose
         add_library(${PROJECT_NAME} STATIC ${POCKETPY_SRC})