[libmicrohttpd] 18/26: mhd_bithelpers: minor improvement of internal macros

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit a08e765fc403d74b4ea09a5702dca14bc688dc0c
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Sat Apr 23 20:13:29 2022 +0300

    mhd_bithelpers: minor improvement of internal macros
---
 src/microhttpd/mhd_bithelpers.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/microhttpd/mhd_bithelpers.h b/src/microhttpd/mhd_bithelpers.h
index ed0c2e0c..eddd67f0 100644
--- a/src/microhttpd/mhd_bithelpers.h
+++ b/src/microhttpd/mhd_bithelpers.h
@@ -42,6 +42,7 @@
 #ifndef __has_builtin
 /* Avoid precompiler errors with non-clang */
 #  define __has_builtin(x) 0
+#  define _MHD_has_builtin_dummy 1
 #endif
 
 
@@ -328,5 +329,10 @@ _MHD_ROTL32 (uint32_t value32, int bits)
 
 #endif /* ! __builtin_rotateleft32 */
 
+#ifdef _MHD_has_builtin_dummy
+/* Remove macro function replacement to avoid misdetection in files which
+ * include this header */
+#  undef __has_builtin
+#endif
 
 #endif /* ! MHD_BITHELPERS_H */

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