# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1745055195 -7200
# Node ID f81d8b4f40c4b32b12de645f344f126db001117c
# Parent  fcb149ee60ff0a50a72bd8859d4a41b760d1800b
fix code not compiling with GCC 15

diff -r fcb149ee60ff -r f81d8b4f40c4 CHANGELOG
--- a/CHANGELOG	Thu Apr 17 21:45:01 2025 +0200
+++ b/CHANGELOG	Sat Apr 19 11:33:15 2025 +0200
@@ -15,6 +15,7 @@
  * fixes implementation of cxBufferTerminate()
  * fixes allocator arguments for some printf.h functions not being const
  * fixes that cx_tree_search() did not investigate subtrees with equally good distance
+ * removes the use of C23 attributes because they don't mix well with GNU attributes in GCC 15
 
 Version 3.1 - 2025-02-11
 ------------------------
diff -r fcb149ee60ff -r f81d8b4f40c4 docs/Writerside/topics/about.md
--- a/docs/Writerside/topics/about.md	Thu Apr 17 21:45:01 2025 +0200
+++ b/docs/Writerside/topics/about.md	Sat Apr 19 11:33:15 2025 +0200
@@ -42,6 +42,7 @@
 * fixes implementation of cxBufferTerminate()
 * fixes allocator arguments for some printf.h functions not being const
 * fixes that cx_tree_search() did not investigate subtrees with equally good distance
+* removes the use of C23 attributes because they don't mix well with GNU attributes in GCC 15
 
 ### Version 3.1 - 2025-02-11 {collapsible="true"}
 
diff -r fcb149ee60ff -r f81d8b4f40c4 src/cx/common.h
--- a/src/cx/common.h	Thu Apr 17 21:45:01 2025 +0200
+++ b/src/cx/common.h	Sat Apr 19 11:33:15 2025 +0200
@@ -240,20 +240,6 @@
  */
 #define cx_attr_access_w(...) cx_attr_access(__write_only__, __VA_ARGS__)
 
-#if __STDC_VERSION__ >= 202300L
-
-/**
- * Do not warn about unused variable.
- */
-#define cx_attr_unused [[maybe_unused]]
-
-/**
- * Warn about discarded return value.
- */
-#define cx_attr_nodiscard [[nodiscard]]
-
-#else // no C23
-
 /**
  * Do not warn about unused variable.
  */
@@ -264,8 +250,6 @@
  */
 #define cx_attr_nodiscard __attribute__((__warn_unused_result__))
 
-#endif // __STDC_VERSION__
-
 
 // ---------------------------------------------------------------------------
 //       MSVC specifics