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Warning about _BSD_SOURCE being deprecated in favor of _DEFAULT_SOURCE
breaks build with -Werror -Wall
--- configure.ac
+++ configure.ac
@@ -1228,9 +1228,12 @@
CFLAGS=$CFLAGS$efl
AC_MSG_CHECKING([if DNS resolver is re-entrant])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
+ #pragma GCC diagnostic push
+ # pragma GCC diagnostic warning "-Wcpp"
#define _BSD_SOURCE
#include <sys/types.h>
+ #pragma GCC diagnostic pop
#include <netinet/in.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>
--- configure
+++ configure
@@ -8298,9 +8298,12 @@
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
+ #pragma GCC diagnostic push
+ # pragma GCC diagnostic warning "-Wcpp"
#define _BSD_SOURCE
#include <sys/types.h>
+ #pragma GCC diagnostic pop
#include <netinet/in.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>
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