define _GNU_SOURCE

Makefile

@@ -4,7 +4,7 @@ STRIP = strip
 CC ?= cc
 CFLAGS += -I$(DEP)/include -I$(SRC)/include -I$(SRC)
 CFLAGS += -Wall -Wextra -DPALERAIN_VERSION=\"2.0.0\" -Wall -Wextra -Wno-unused-parameter
-CFLAGS += -Wno-unused-variable -I$(SRC)/src -std=c99 -pedantic-errors
+CFLAGS += -Wno-unused-variable -I$(SRC)/src -std=c99 -pedantic-errors -D_DARWIN_C_SOURCE -D_GNU_SOURCE
 LIBS += $(DEP)/lib/libimobiledevice-1.0.a $(DEP)/lib/libirecovery-1.0.a $(DEP)/lib/libusbmuxd-2.0.a
 LIBS += $(DEP)/lib/libimobiledevice-glue-1.0.a $(DEP)/lib/libplist-2.0.a -pthread
 ifeq ($(TARGET_OS),)

include/palerain.h

@@ -1,10 +1,6 @@
 #ifndef PALERAIN_H
 #define PALERAIN_H
 
-#if defined(__APPLE__)
-#define _DARWIN_C_SOURCE 1
-#endif
-
 #include "xxd-embedded.h"
 #include "kerninfo.h"
 #include <stdbool.h>