From: Guy Harris <guy@alum.mit.edu>
Date: Tue, 28 Nov 2017 05:21:11 +0000 (-0800)
Subject: Define _DEFAULT_SOURCE *and* _BSD_SOURCE.
X-Git-Tag: libpcap-1.9-bp~314
X-Git-Url: https://git.tcpdump.org/libpcap/commitdiff_plain/df32614f047426838994c16196816aa2a2db4d13

Define _DEFAULT_SOURCE *and* _BSD_SOURCE.

You are in a twisty little maze of Linux distributions and GNU libc
releases, all different.
---

diff --git a/ftmacros.h b/ftmacros.h
index 4b272d5f..de8da98e 100644
--- a/ftmacros.h
+++ b/ftmacros.h
@@ -99,6 +99,16 @@
    */
   #define _POSIX_C_SOURCE 200809L
   #define _XOPEN_SOURCE 600
+
+  /*
+   * We turn on both _DEFAULT_SOURCE and _BSD_SOURCE to try to get
+   * the BSD u_XXX types, such as u_int and u_short, defined.  We
+   * define _DEFAULT_SOURCE first, so that newer versions of GNU libc
+   * don't whine about _BSD_SOURCE being deprecated; we still have
+   * to define _BSD_SOURCE to handle older versions of GNU libc that
+   * don't support _DEFAULT_SOURCE.
+   */
+  #define _DEFAULT_SOURCE
   #define _BSD_SOURCE
 #endif