fix arm build

Signed-off-by: zhuangbowei.zbw <[email protected]>

CMakeLists.txt

@@ -6,6 +6,9 @@ project(
 )
 enable_language(C)
 
+set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -DNDEBUG -g")
+
 # Get CPU arch
 execute_process(COMMAND uname -m OUTPUT_VARIABLE ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
 if (NOT (${ARCH} STREQUAL x86_64) AND NOT (${ARCH} STREQUAL aarch64) AND NOT (${ARCH} STREQUAL arm64))
@@ -23,7 +26,7 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fpic -Wall -Werror=sign-compare")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpic -Wall -Werror=sign-compare -DOVERLAYBD_VER=${OBD_VER}")
 
 if (${ARCH} STREQUAL aarch64)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsigned-char")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a+crc -fsigned-char -fno-stack-protector -fomit-frame-pointer")
 endif ()
 
 set(CMAKE_CXX_STANDARD_LIBRARIES "-static-libgcc ${CMAKE_CXX_STANDARD_LIBRARIES}")

src/overlaybd/zfile/CMakeLists.txt

@@ -17,7 +17,7 @@ target_include_directories(crc32_lib PUBLIC
 if (${ARCH} STREQUAL x86_64)
     target_compile_options(crc32_lib PUBLIC -msse4.2 -mcrc32)
 else()
-    target_compile_options(crc32_lib PUBLIC -march=native -mcpu=generic+crc)
+    target_compile_options(crc32_lib PRIVATE -march=native -mcpu=generic+crc)
 endif()
 
 if(ENABLE_DSA OR ENABLE_ISAL)