diff --git a/lib/macos.c b/lib/macos.c
index 205d30db32..70393b4bf7 100644
--- a/lib/macos.c
+++ b/lib/macos.c
@@ -30,7 +30,17 @@
 
 #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)
 {