From 48ba91275c57838150979eb2820b6e10f5a894b2 Mon Sep 17 00:00:00 2001
From: Maxime Vincent <maxime.vince@gmail.com>
Date: Sat, 23 Apr 2016 21:55:03 +0200
Subject: [PATCH] Use _DEFAULT_SOURCE instead of _BSD_SOURCE (support newer
 compilers)

* Use _DEFAULT_SOURCE instead of _BSD_SOURCE
* Include header for gmtime/mktime
* Keep glibc < 2.20 and >= 2.20 happy
---
 Makefile | 2 +-
 minmea.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index b82900a..1516c81 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 # published by Sam Hocevar. See the COPYING file for more details.
 
 CFLAGS = -g -Wall -Wextra -Werror -std=c99
-CFLAGS += -D_POSIX_C_SOURCE=199309L -D_BSD_SOURCE -D_DARWIN_C_SOURCE
+CFLAGS += -D_POSIX_C_SOURCE=199309L -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_DARWIN_C_SOURCE
 LDLIBS = -lcheck
 
 all: scan-build test example
diff --git a/minmea.c b/minmea.c
index 5566d95..e5633c6 100644
--- a/minmea.c
+++ b/minmea.c
@@ -12,6 +12,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <stdarg.h>
+#include <time.h>
 
 #define boolstr(s) ((s) ? "true" : "false")