Add in check for the GCC attribute deprecated. It may be used soon!

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@75259 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure

@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 74375 .
+# From configure.ac Revision: 74575 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61.
 #
@@ -15564,6 +15564,58 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
+{ echo "$as_me:$LINENO: checking for compiler 'attribute deprecated' support" >&5
+echo $ECHO_N "checking for compiler 'attribute deprecated' support... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+static int __attribute__((deprecated)) test(void) {}
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_ATTRIBUTE_deprecated 1
+_ACEOF
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
 { echo "$as_me:$LINENO: checking for -ffunction-sections support" >&5
 echo $ECHO_N "checking for -ffunction-sections support... $ECHO_C" >&6; }
 saved_CFLAGS="${CFLAGS}"

configure.ac

@@ -302,6 +302,7 @@ AST_GCC_ATTRIBUTE(malloc)
 AST_GCC_ATTRIBUTE(const)
 AST_GCC_ATTRIBUTE(unused)
 AST_GCC_ATTRIBUTE(always_inline)
+AST_GCC_ATTRIBUTE(deprecated)
 
 AC_MSG_CHECKING(for -ffunction-sections support)
 saved_CFLAGS="${CFLAGS}"

include/asterisk/autoconfig.h.in

@@ -50,6 +50,9 @@
 /* Define to 1 if your GCC C compiler supports the 'const' attribute. */
 #undef HAVE_ATTRIBUTE_const
 
+/* Define to 1 if your GCC C compiler supports the 'deprecated' attribute. */
+#undef HAVE_ATTRIBUTE_deprecated
+
 /* Define to 1 if your GCC C compiler supports the 'malloc' attribute. */
 #undef HAVE_ATTRIBUTE_malloc