[libmicrohttpd] branch master updated: configure: fixed clang's "argument unused"

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

The following commit(s) were added to refs/heads/master by this push:
     new 3dd2ee38 configure: fixed clang's "argument unused"
3dd2ee38 is described below

commit 3dd2ee38306594d749831c88e378957b4212a6ab
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Mon Apr 25 16:15:31 2022 +0300

    configure: fixed clang's "argument unused"
---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 2bd9dda0..8d5d9e1f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3543,7 +3543,9 @@ int main(void)
            AS_VAR_IF([enable_san_address], ["yes"],
              [
                CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} ${user_CFLAGS}"
-               AX_APPEND_COMPILE_FLAGS([-Wp,-U_FORTIFY_SOURCE], [san_CFLAGS])
+               AC_CHECK_DECL([_FORTIFY_SOURCE],
+                 [MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-U_FORTIFY_SOURCE])],
+                 [],[/* no includes */])
                AX_APPEND_FLAG([-D_FORTIFY_SOURCE=0], [san_CFLAGS])
              ],
              [

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