curl.test.patch test improve patch with auto-detection 3

Author: vszakats

curl.test.patch

@@ -179,7 +179,7 @@ index e8be5d0ccd9104..804cdebc648032 100644
     that started advertising the `availability` attribute, which then gets used
     by Apple SDK, but, in a way incompatible with gcc, resulting in misc errors
     inside SDK headers, e.g.:
-@@ -51,14 +51,23 @@
+@@ -51,13 +51,17 @@
              definition
       error: expected ',' or '}' before
     Followed by missing declarations.
@@ -188,24 +188,18 @@ index e8be5d0ccd9104..804cdebc648032 100644
 -#if defined(__APPLE__) &&                \
 -  !defined(__clang__) &&                 \
 -  defined(__GNUC__) && __GNUC__ >= 12 && \
--  defined(__has_attribute)
 +   Work it around by overriding the built-in feature-check macro used by the
 +   headers to enable the problematic attributes. This makes the feature check
-+   fail.
-+   Fixed upstream in 14.2.0_1. Disable the workaround if the fix is detected.
++   fail. Fixed in 14.2.0_1. Disable the workaround if the fix is detected.
 + */
-+#if defined(__APPLE__) &&                          \
-+  !defined(__clang__) &&                           \
-+  defined(__GNUC__) &&                             \
-+  defined(__has_attribute) &&                      \
-+  !defined(CURL_NO_APPLE_AVAILABILITY_WORKAROUND)
-+/* Separate #if to make it compile with some non-Apple gcc compilers */
-+#if defined(CURL_APPLE_AVAILABILITY_WORKAROUND) || \
-+  !defined(__has_feature) ||                       \
-+  !__has_feature(attribute_availability)
- #define availability curl_pp_attribute_disabled
++#if defined(__APPLE__) && !defined(__clang__) && defined(__GNUC__) && \
+   defined(__has_attribute)
+-#define availability curl_pp_attribute_disabled
++#  if !defined(__has_feature)
++#    define availability curl_pp_attribute_disabled
++#  elif !__has_feature(attribute_availability)
++#    define availability curl_pp_attribute_disabled
++#  endif
  #endif
-+#endif
 
  #if defined(__APPLE__)
- #include <sys/types.h>