[libmicrohttpd] 18/36: configure: fixed detection of __FUNCTION__ magic macro

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit 4805f6a8ee7ab47d5d785bce539ab6039c9328ee
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Fri May 19 14:24:36 2023 +0300

    configure: fixed detection of __FUNCTION__ magic macro
---
 configure.ac | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index f23a10e8..6b4a0378 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1696,7 +1696,19 @@ AS_VAR_IF([mhd_cv_macro___func___avail], ["yes"],
       AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>]],[[const char 
*funcname = __FUNCTION__ ; if (NULL == funcname) return 1;]])],
         
[[mhd_cv_macro___function___avail="yes"]],[[mhd_cv_macro___function___avail="no"]])
     ])
-    AC_DEFINE([HAVE___FUNCTION__], [1], [Define to 1 if your compiler supports 
__FUNCTION__ magic-macro.])
+    AS_VAR_IF([mhd_cv_macro___function___avail], ["yes"],
+      [AC_DEFINE([HAVE___FUNCTION__], [1], [Define to 1 if your compiler 
supports __FUNCTION__ magic-macro.])],
+      [
+        AC_CACHE_CHECK([[whether __PRETTY_FUNCTION__ magic-macro is 
available]],
+          [[mhd_cv_macro___pretty_function___avail]], [dnl
+          AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>]],[[const char 
*funcname = __PRETTY_FUNCTION__ ; if (NULL == funcname) return 1;]])],
+            
[[mhd_cv_macro___pretty_function___avail="yes"]],[[mhd_cv_macro___pretty_function___avail="no"]])
+        ])
+        AS_VAR_IF([mhd_cv_macro___pretty_function___avail], ["yes"],
+          [AC_DEFINE([HAVE___PRETTY_FUNCTION__], [1], [Define to 1 if your 
compiler supports __PRETTY_FUNCTION__ magic-macro.])],
+        )
+      ]
+    )
   ]
 )
 AC_CACHE_CHECK([[whether __builtin_bswap32() is available]],

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