From ee7d764ba2f2da043db59194c2c4fdd3bbafbaaf Mon Sep 17 00:00:00 2001
From: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
Date: Sun, 10 Jan 2016 20:25:58 +0100
Subject: [PATCH] the usage of LwIP in "user-space" requires the definition of
 _POSIX_SOURCE

---
 hermit/usr/benchmarks/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hermit/usr/benchmarks/Makefile b/hermit/usr/benchmarks/Makefile
index 628deb1f3..bedf1a580 100644
--- a/hermit/usr/benchmarks/Makefile
+++ b/hermit/usr/benchmarks/Makefile
@@ -75,6 +75,10 @@ RCCE_pingpong: RCCE_pingpong.o
 	$Q$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
 	$Qchmod a-x $@.sym
 
+netio.o: netio.c
+	@echo [CC] $@
+	$Q$(CC_FOR_TARGET) -c $(CFLAGS_FOR_TARGET) -D_POSIX_SOURCE -o $@ $<
+
 netio: netio.o
 	@echo [LD] $@
 	$Q$(CC_FOR_TARGET) $(LDFLAGS_FOR_TARGET) $(CFLAGS_FOR_TARGET) -o $@ $<