diff --git a/absl/base/internal/low_level_alloc.cc b/absl/base/internal/low_level_alloc.cc
index 445c3458..29589c53 100644
--- a/absl/base/internal/low_level_alloc.cc
+++ b/absl/base/internal/low_level_alloc.cc
@@ -57,14 +57,9 @@
 #include "absl/base/internal/raw_logging.h"
 #include "absl/base/internal/spinlock.h"
 
-// MAP_ANONYMOUS
-#if defined(__APPLE__) || defined(__hexagon__)
-// For mmap, Linux defines both MAP_ANONYMOUS and MAP_ANON and says MAP_ANON is
-// deprecated. In Darwin, MAP_ANON is all there is.
-#if !defined MAP_ANONYMOUS
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
 #define MAP_ANONYMOUS MAP_ANON
-#endif  // !MAP_ANONYMOUS
-#endif  // __APPLE__
+#endif
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/debugging/failure_signal_handler.cc b/absl/debugging/failure_signal_handler.cc
index fd6a4927..90a6c350 100644
--- a/absl/debugging/failure_signal_handler.cc
+++ b/absl/debugging/failure_signal_handler.cc
@@ -31,6 +31,9 @@
 
 #ifdef ABSL_HAVE_MMAP
 #include <sys/mman.h>
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
 #endif
 
 #ifdef __linux__
@@ -157,9 +160,6 @@ static bool SetupAlternateStackOnce() {
 #ifdef ABSL_HAVE_MMAP
 #ifndef MAP_STACK
 #define MAP_STACK 0
-#endif
-#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
-#define MAP_ANONYMOUS MAP_ANON
 #endif
   sigstk.ss_sp = mmap(nullptr, sigstk.ss_size, PROT_READ | PROT_WRITE,
                       MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index 57863228..3dd6ba1a 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -24,6 +24,9 @@
 
 #ifdef ABSL_HAVE_MMAP
 #include <sys/mman.h>
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
 #endif
 
 #if defined(__linux__) || defined(__APPLE__)
diff --git a/absl/debugging/internal/stack_consumption.cc b/absl/debugging/internal/stack_consumption.cc
index 6d974992..5a7d9c35 100644
--- a/absl/debugging/internal/stack_consumption.cc
+++ b/absl/debugging/internal/stack_consumption.cc
@@ -26,6 +26,10 @@
 #include "absl/base/attributes.h"
 #include "absl/base/internal/raw_logging.h"
 
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace debugging_internal {
diff --git a/absl/debugging/symbolize_test.cc b/absl/debugging/symbolize_test.cc
index 922fe36f..f644838c 100644
--- a/absl/debugging/symbolize_test.cc
+++ b/absl/debugging/symbolize_test.cc
@@ -40,6 +40,10 @@
 #include "absl/memory/memory.h"
 #include "absl/strings/string_view.h"
 
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 using testing::Contains;
 
 #ifdef _WIN32