diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index dd8dddf702..a418f0a6a6 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -40,6 +40,23 @@
 #include <_mingw.h>
 #endif
 
+/* Workaround for Homebrew gcc 12.4.0, 13.3.0, 14.1.0 and newer (as of 14.1.0)
+   that started advertising the `availability` attribute, which then gets used
+   by Apple SDK, but, in a way incompatible with gcc, resulting in a misc
+   errors inside SDK headers, e.g.:
+     error: attributes should be specified before the declarator in a function
+            definition
+     error: expected ',' or '}' before
+   Followed by missing declarations.
+   Fix it by overriding the built-in feature-check macro used by the headers
+   to enable the problematic attributes. This makes the feature check fail. */
+#if defined(__APPLE__) &&                \
+  !defined(__clang__) &&                 \
+  defined(__GNUC__) && __GNUC__ >= 12 && \
+  defined(__has_attribute)
+#define availability curl_pp_attribute_disabled
+#endif
+
 /*
  * Disable Visual Studio warnings:
  * 4127 "conditional expression is constant"
diff --git a/lib/macos.c b/lib/macos.c
index 70393b4bf7..205d30db32 100644
--- a/lib/macos.c
+++ b/lib/macos.c
@@ -30,17 +30,7 @@
 
 #include "macos.h"
 
-/* Certain Apple SDK v13.0+ headers are incompatible with the GCC compiler.
-   As a workaround, use a minimal header and define the function we need,
-   to avoid hitting those incompatibilities when compiling with GCC. */
-#if defined(__clang__)
 #include <SystemConfiguration/SCDynamicStoreCopySpecific.h>
-#else
-#include <CoreFoundation/CFDictionary.h>
-typedef const struct CF_BRIDGED_TYPE(id) __SCDynamicStore * SCDynamicStoreRef;
-CFDictionaryRef __nullable
-SCDynamicStoreCopyProxies(SCDynamicStoreRef __nullable store);
-#endif
 
 CURLcode Curl_macos_init(void)
 {