From c02f66668d32980a3770e450061c5b96b9f31690 Mon Sep 17 00:00:00 2001
From: David Levine <levinedl@acm.org>
Date: Sun, 4 Dec 2016 17:13:09 -0500
Subject: [PATCH] Reverted commit 9a4b4a3d3b27fe4a7ff6d0b8724ce1c06b5917eb.

It broke the build on the FreeBSD 10 buildbot, not sure why.
---
 configure.ac | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7778d2f3..234ff3c4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -587,15 +587,13 @@ dnl ----------------
 dnl CHECK STRUCTURES
 dnl ----------------
 
+dnl FIXME: This test could work on Linux if _BSD_SOURCE was #define'd
+dnl according to localtime(3).
+dnl
 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
 dnl (FreeBSD has a timezone() function but not a timezone global
 dnl variable that is visible).
-dnl On Linux, $AM_CPPFLAGS contains -D_GNU_SOURCE, which makes
-dnl tm_gmtoff visible.
-nmh_saved_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
-AC_CHECK_MEMBER([struct tm.tm_gmtoff],,,[[#include <time.h>]])
-CPPFLAGS="$nmh_saved_CPPFLAGS"
+AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
 
 AC_STRUCT_DIRENT_D_TYPE
 
-- 
2.56.0