diff --git a/CMake/AbseilDll.cmake b/CMake/AbseilDll.cmake
index f0d984a..875517b 100644
--- a/CMake/AbseilDll.cmake
+++ b/CMake/AbseilDll.cmake
@@ -624,24 +624,7 @@ set(ABSL_INTERNAL_TEST_DLL_TARGETS

 include(CheckCXXSourceCompiles)

-check_cxx_source_compiles(
-  [==[
-#ifdef _MSC_VER
-#  if _MSVC_LANG < 201700L
-#    error "The compiler defaults or is configured for C++ < 17"
-#  endif
-#elif __cplusplus < 201700L
-#  error "The compiler defaults or is configured for C++ < 17"
-#endif
-int main() { return 0; }
-]==]
-  ABSL_INTERNAL_AT_LEAST_CXX17)
-
-if(ABSL_INTERNAL_AT_LEAST_CXX17)
-  set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_17)
-else()
-  set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_14)
-endif()
+set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_14)

 function(absl_internal_dll_contains)
   cmake_parse_arguments(ABSL_INTERNAL_DLL
diff --git a/absl/base/internal/low_level_alloc.cc b/absl/base/internal/low_level_alloc.cc
index 6d2cfea..9adbedb 100644
--- a/absl/base/internal/low_level_alloc.cc
+++ b/absl/base/internal/low_level_alloc.cc
@@ -42,10 +42,6 @@
 #include <windows.h>
 #endif

-#ifdef __linux__
-#include <sys/prctl.h>
-#endif
-
 #include <string.h>

 #include <algorithm>
@@ -569,18 +565,6 @@ static void *DoAllocWithArena(size_t request, LowLevelAlloc::Arena *arena) {
         ABSL_RAW_LOG(FATAL, "mmap error: %d", errno);
       }

-#ifdef __linux__
-#if defined(PR_SET_VMA) && defined(PR_SET_VMA_ANON_NAME)
-      // Attempt to name the allocated address range in /proc/$PID/smaps on
-      // Linux.
-      //
-      // This invocation of prctl() may fail if the Linux kernel was not
-      // configured with the CONFIG_ANON_VMA_NAME option.  This is OK since
-      // the naming of arenas is primarily a debugging aid.
-      prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, new_pages, new_pages_size,
-            "absl");
-#endif
-#endif  // __linux__
 #endif  // _WIN32
       arena->mu.Lock();
       s = reinterpret_cast<AllocList *>(new_pages);
diff --git a/absl/debugging/internal/elf_mem_image.h b/absl/debugging/internal/elf_mem_image.h
index e7fe6ab..09ada21 100644
--- a/absl/debugging/internal/elf_mem_image.h
+++ b/absl/debugging/internal/elf_mem_image.h
@@ -34,7 +34,7 @@
 #if defined(__ELF__) && !defined(__OpenBSD__) && !defined(__QNX__) && \
     !defined(__native_client__) && !defined(__asmjs__) &&             \
     !defined(__wasm__) && !defined(__HAIKU__) && !defined(__sun) &&   \
-    !defined(__VXWORKS__) && !defined(__hexagon__)
+    !defined(__VXWORKS__) && !defined(__hexagon__) && !defined(__OHOS__)
 #define ABSL_HAVE_ELF_MEM_IMAGE 1
 #endif

diff --git a/absl/debugging/internal/stacktrace_config.h b/absl/debugging/internal/stacktrace_config.h
index 3929b1b..83bc8ee 100644
--- a/absl/debugging/internal/stacktrace_config.h
+++ b/absl/debugging/internal/stacktrace_config.h
@@ -26,6 +26,10 @@
 #if defined(ABSL_STACKTRACE_INL_HEADER)
 #error ABSL_STACKTRACE_INL_HEADER cannot be directly set

+#elif defined(__OHOS__)
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_unimplemented-inl.inc"
+
 #elif defined(_WIN32)
 #define ABSL_STACKTRACE_INL_HEADER \
     "absl/debugging/internal/stacktrace_win32-inl.inc"

diff --git a/absl/debugging/failure_signal_handler.cc b/absl/debugging/failure_signal_handler.cc
index 992c89c..dcfa752 100644
--- a/absl/debugging/failure_signal_handler.cc
+++ b/absl/debugging/failure_signal_handler.cc
@@ -36,7 +36,7 @@
 #endif
 #endif

-#ifdef __linux__
+#if defined __linux__ && !defined(__OHOS__)
 #include <sys/prctl.h>
 #endif

@@ -177,7 +177,7 @@ static bool SetupAlternateStackOnce() {
     ABSL_RAW_LOG(FATAL, "sigaltstack() failed with errno=%d", errno);
   }

-#ifdef __linux__
+#if defined __linux__ && !defined(__OHOS__)
 #if defined(PR_SET_VMA) && defined(PR_SET_VMA_ANON_NAME)
   // Make a best-effort attempt to name the allocated region in
   // /proc/$PID/smaps.

diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index c2bab71..0fdd4b9 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -33,7 +33,9 @@
 #include <sys/ucontext.h>
 #endif

+#if !defined(__OHOS__)
 #include <csignal>
+#endif
 #include <cstdio>

 #include "absl/base/attributes.h"
@@ -155,6 +157,7 @@ SymbolizeUrlEmitter GetDebugStackTraceHook() { return debug_stack_trace_hook; }
 // unknown. vuc is a ucontext_t*. We use void* to avoid the use of
 // ucontext_t on non-POSIX systems.
 void* GetProgramCounter(void* const vuc) {
+#if !defined(__OHOS__)
 #ifdef __linux__
   if (vuc != nullptr) {
     ucontext_t* context = reinterpret_cast<ucontext_t*>(vuc);
@@ -233,7 +236,8 @@ void* GetProgramCounter(void* const vuc) {
   return reinterpret_cast<void*>(get_user_ctx_pc(ctx));
 #endif
   static_cast<void>(vuc);
-  return nullptr;
+#endif
+return nullptr;
 }

 void DumpPCAndFrameSizesAndStackTrace(void* const pc, void* const stack[],

diff --git a/absl/crc/internal/cpu_detect.cc b/absl/crc/internal/cpu_detect.cc
index 8383808..0f0fd22 100644
--- a/absl/crc/internal/cpu_detect.cc
+++ b/absl/crc/internal/cpu_detect.cc
@@ -19,7 +19,7 @@

 #include "absl/base/config.h"

-#if defined(__aarch64__) && defined(__linux__)
+#if defined(__aarch64__) && defined(__linux__) && !defined(__OHOS__)
 #include <asm/hwcap.h>
 #include <sys/auxv.h>
 #endif
@@ -215,7 +215,7 @@ CpuType GetCpuType() {

 bool SupportsArmCRC32PMULL() { return false; }

-#elif defined(__aarch64__) && defined(__linux__)
+#elif defined(__aarch64__) && defined(__linux__) && !defined(__OHOS__)

 #ifndef HWCAP_CPUID
 #define HWCAP_CPUID (1 << 11)

diff --git a/CMake/AbseilDll.cmake b/CMake/AbseilDll.cmake
index 875517b..9e39aea 100644
--- a/CMake/AbseilDll.cmake
+++ b/CMake/AbseilDll.cmake
@@ -788,12 +788,12 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
       ${_dll_consume}
   )

-  if(ABSL_PROPAGATE_CXX_STD)
+  # if(ABSL_PROPAGATE_CXX_STD)
     # Abseil libraries require C++14 as the current minimum standard. When
     # compiled with C++17 (either because it is the compiler's default or
     # explicitly requested), then Abseil requires C++17.
     target_compile_features(${_dll} PUBLIC ${ABSL_INTERNAL_CXX_STD_FEATURE})
-  endif()
+  # endif()

   install(TARGETS ${_dll} EXPORT ${PROJECT_NAME}Targets
         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
index 3bd33ce..1deea98 100644
--- a/CMake/AbseilHelpers.cmake
+++ b/CMake/AbseilHelpers.cmake
@@ -285,12 +285,12 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
       set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal)
     endif()

-    if(ABSL_PROPAGATE_CXX_STD)
+    # if(ABSL_PROPAGATE_CXX_STD)
       # Abseil libraries require C++14 as the current minimum standard. When
       # compiled with C++17 (either because it is the compiler's default or
       # explicitly requested), then Abseil requires C++17.
       target_compile_features(${_NAME} PUBLIC ${ABSL_INTERNAL_CXX_STD_FEATURE})
-    endif()
+    # endif()

     # When being installed, we lose the absl_ prefix.  We want to put it back
     # to have properly named lib files.  This is a no-op when we are not being
@@ -322,12 +322,12 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
     )
     target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})

-    if(ABSL_PROPAGATE_CXX_STD)
+    # if(ABSL_PROPAGATE_CXX_STD)
       # Abseil libraries require C++14 as the current minimum standard.
       # Top-level application CMake projects should ensure a consistent C++
       # standard for all compiled sources by setting CMAKE_CXX_STANDARD.
       target_compile_features(${_NAME} INTERFACE ${ABSL_INTERNAL_CXX_STD_FEATURE})
-    endif()
+    # endif()
   endif()

   if(ABSL_ENABLE_INSTALL)
@@ -434,12 +434,12 @@ function(absl_cc_test)
   # Add all Abseil targets to a folder in the IDE for organization.
   set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)

-  if(ABSL_PROPAGATE_CXX_STD)
+  # if(ABSL_PROPAGATE_CXX_STD)
     # Abseil libraries require C++14 as the current minimum standard.
     # Top-level application CMake projects should ensure a consistent C++
     # standard for all compiled sources by setting CMAKE_CXX_STANDARD.
     target_compile_features(${_NAME} PUBLIC ${ABSL_INTERNAL_CXX_STD_FEATURE})
-  endif()
+  # endif()

   add_test(NAME ${_NAME} COMMAND ${_NAME})
 endfunction()

diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index 68c33d4..24d9727 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -29,9 +29,11 @@
 #endif
 #endif

-#if defined(__linux__) || defined(__APPLE__)
+#if !defined(__OHOS__)
+#if defined(__linux__) || defined(__APPLE__)
 #include <sys/ucontext.h>
 #endif
+#endif

 #if !defined(__OHOS__)
 #include <csignal>

diff --git a/absl/log/internal/log_message.cc b/absl/log/internal/log_message.cc
index 10ac245..bddc95d 100644
--- a/absl/log/internal/log_message.cc
+++ b/absl/log/internal/log_message.cc
@@ -315,11 +315,6 @@ LogMessage& LogMessage::ToSinkOnly(absl::LogSink* sink) {
   return *this;
 }

-#ifdef __ELF__
-extern "C" void __gcov_dump() ABSL_ATTRIBUTE_WEAK;
-extern "C" void __gcov_flush() ABSL_ATTRIBUTE_WEAK;
-#endif
-
 void LogMessage::FailWithoutStackTrace() {
   // Now suppress repeated trace logging:
   log_internal::SetSuppressSigabortTrace(true);
@@ -327,16 +322,6 @@ void LogMessage::FailWithoutStackTrace() {
   // When debugging on windows, avoid the obnoxious dialog.
   __debugbreak();
 #endif
-
-#ifdef __ELF__
-  // For b/8737634, flush coverage if we are in coverage mode.
-  if (&__gcov_dump != nullptr) {
-    __gcov_dump();
-  } else if (&__gcov_flush != nullptr) {
-    __gcov_flush();
-  }
-#endif
-
   abort();
 }