libuv: Remove GCCVER redefinition

Signed-off-by: cuiziwei <cuiziwei@xiaomi.com>

Author: cuiziweizw

system/libuv/CMakeLists.txt

@@ -44,13 +44,6 @@ if(CONFIG_LIBUV)
     endif()
   endif()
 
-  if(NOT DEFINED GCCVER)
-    execute_process(COMMAND ${CMAKE_C_COMPILER} --version
-                    OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
-    string(REGEX MATCH "\\+\\+.* ([0-9]+)\\.[0-9]+" GCC_VERSION_REGEX
-                 "${GCC_VERSION_OUTPUT}")
-    set(GCCVER ${CMAKE_MATCH_1})
-  endif()
   # ############################################################################
   # Flags
   # ############################################################################
@@ -60,7 +53,7 @@ if(CONFIG_LIBUV)
       -DDEF_THREADPOOL_STACKSIZE=CONFIG_LIBUV_THREAD_STACKSIZE
       -DDEF_THREADPOOL_PRIORITY=CONFIG_LIBUV_THREADPOOL_PRIORITY)
 
-  if(GCCVER EQUAL 12)
+  if(GCCVER GREATER_EQUAL 12)
     list(APPEND CFLAGS -Wno-dangling-pointer)
   endif()
   # ############################################################################

system/libuv/Makefile

@@ -54,11 +54,7 @@ CFLAGS += -DDEF_THREADPOOL_PRIORITY=CONFIG_LIBUV_THREADPOOL_PRIORITY
 CFLAGS += -DMAX_EPOLL_EVENTS=CONFIG_LIBUV_MAX_EPOLL_EVENTS
 CFLAGS += -DPREP_EVENT_SIZE=CONFIG_LIBUV_PREP_EVENT_SIZE
 
-ifeq ($(GCCVER),)
-  export GCCVER = $(shell $(CC) --version | grep gcc | sed -r 's/.* ([0-9]+\.[0-9]+).*/\1/' | cut -d'.' -f1)
-endif
-
-ifeq ($(GCCVER),12)
+ifeq ($(shell expr "$(GCCVER)" \>= 12), 1)
   CFLAGS += -Wno-dangling-pointer
 endif