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-rw-r--r--src/tools/Makefile2
-rw-r--r--src/tools/terminal.c1
2 files changed, 1 insertions, 2 deletions
diff --git a/src/tools/Makefile b/src/tools/Makefile
index ec75052..2dd7f6a 100644
--- a/src/tools/Makefile
+++ b/src/tools/Makefile
@@ -32,7 +32,7 @@ endif
endif
CFLAGS ?= -O3
-CFLAGS += -std=gnu11
+CFLAGS += -std=gnu11 -D_GNU_SOURCE
CFLAGS += -Wall -Wextra
CFLAGS += -MMD -MP
CFLAGS += -DRUNSTATEDIR="\"$(RUNSTATEDIR)\""
diff --git a/src/tools/terminal.c b/src/tools/terminal.c
index 862bb4a..e5b5edb 100644
--- a/src/tools/terminal.c
+++ b/src/tools/terminal.c
@@ -1,6 +1,5 @@
/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
-#define _GNU_SOURCE
#include <ctype.h>
#include <stdarg.h>
#include <stddef.h>