From ec150b21d9c9c9309e5c1713134e5b015b4a0f35 Mon Sep 17 00:00:00 2001
From: chao an <anchao@lixiang.com>
Date: Sat, 29 Jun 2024 09:34:59 +0800
Subject: [PATCH] Revert "Check whether 64-bit atomic is supported"

Signed-off-by: chao an <anchao@lixiang.com>
---
 openamp/libmetal.cmake | 21 ---------------------
 openamp/libmetal.defs  | 16 ----------------
 2 files changed, 37 deletions(-)

diff --git a/openamp/libmetal.cmake b/openamp/libmetal.cmake
index 8a7dc7966c..41f3aa9d08 100644
--- a/openamp/libmetal.cmake
+++ b/openamp/libmetal.cmake
@@ -66,27 +66,6 @@ set(MACHINE ${CONFIG_ARCH})
 set(CMAKE_SYSTEM_NAME NuttX)
 set(WITH_DOC OFF)
 
-# cmake-format: off
-set(ATOMIC_TEST_CODE
-  [-[
-    #include <stdatomic.h>
-    int main() {
-        _Atomic long long x = 0;
-        return x;
-    }
-  ]-]
-)
-# cmake-format: on
-
-file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/test_atomic.c ${ATOMIC_TEST_CODE})
-
-try_compile(HAS_64BIT_ATOMIC_SUPPORT ${CMAKE_CURRENT_BINARY_DIR}
-            ${CMAKE_CURRENT_BINARY_DIR}/test_atomic.c)
-
-if(NOT HAS_64BIT_ATOMIC_SUPPORT)
-  add_compile_options(-DNO_ATOMIC_64_SUPPORT)
-endif()
-
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/libmetal
                  ${CMAKE_CURRENT_BINARY_DIR}/libmetal EXCLUDE_FROM_ALL)
 
diff --git a/openamp/libmetal.defs b/openamp/libmetal.defs
index f307da1ff0..90e8a690be 100644
--- a/openamp/libmetal.defs
+++ b/openamp/libmetal.defs
@@ -56,20 +56,6 @@ CSRCS += libmetal/lib/version.c
 
 CFLAGS += -DMETAL_INTERNAL
 
-# Check whether the current toolchain supports 64-bit atomic
-ATOMIC_DETECT_CODE := detect_64_atomic.c
-ATOMIC_DETECT_BIN := detect_64_atomic_bin
-DETECT_ATOMIC_SUPPORT = \
-    echo '\#include <stdatomic.h>' > $(ATOMIC_DETECT_CODE); \
-    echo 'int main() { _Atomic long long x = 0; return x; }' >> $(ATOMIC_DETECT_CODE); \
-    if $(CC) -o $(ATOMIC_DETECT_BIN) $(ATOMIC_DETECT_CODE) 2>/dev/null; then \
-        echo ""; \
-    else \
-        echo "-DNO_ATOMIC_64_SUPPORT"; \
-    fi; \
-
-CFLAGS += $(shell $(DETECT_ATOMIC_SUPPORT))
-
 LIBMETAL_HDRS_SEDEXP := \
 	"s/@PROJECT_VERSION_MAJOR@/0/g; \
 	 s/@PROJECT_VERSION_MINOR@/1/g; \
@@ -119,7 +105,5 @@ ifeq ($(wildcard libmetal/.git),)
 	$(call DELFILE, libmetal.zip)
 endif
 	$(call DELFILE, .libmetal_headers)
-	$(call DELFILE, $(ATOMIC_DETECT_CODE))
-	$(call DELFILE, $(ATOMIC_DETECT_BIN))
 
 endif