From 5e79d651caee6b7a81097ae432b829e3da952261 Mon Sep 17 00:00:00 2001
From: Pali Rohár <pali.rohar@gmail.com>
Date: Tue, 6 Dec 2016 23:10:58 +0100
Subject: all: Compile globally without _GNU_SOURCE, define _BSD_SOURCE or
 _GNU_SOURCE where needed

---
 src/Makefile       | 2 +-
 src/cal.c          | 6 ++++++
 src/disk.c         | 6 ++++++
 src/libusb-sniff.c | 4 ++++
 4 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 6b8ef08..94a8790 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -9,7 +9,7 @@ CC = gcc
 CROSS_CC = $(CROSS_COMPILE)$(CC)
 HOST_CC = $(HOST_COMPILE)$(CC)
 
-CPPFLAGS += -DVERSION=\"$(VERSION)\" -DBUILD_DATE="\"$(BUILD_DATE)\"" -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L
+CPPFLAGS += -DVERSION=\"$(VERSION)\" -DBUILD_DATE="\"$(BUILD_DATE)\"" -D_POSIX_C_SOURCE=200809L
 CFLAGS += -W -Wall -O2 -pedantic -std=c99
 LIBS += -lusb
 
diff --git a/src/cal.c b/src/cal.c
index 60a2de1..a90546f 100644
--- a/src/cal.c
+++ b/src/cal.c
@@ -20,6 +20,12 @@
 
 /* This is simple CAL parser form Calvaria */
 
+#ifdef __linux__
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
diff --git a/src/disk.c b/src/disk.c
index b8e9f51..11df4af 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -16,6 +16,12 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifdef __linux__
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#endif
+
 #include <fcntl.h>
 #include <libgen.h>
 #include <unistd.h>
diff --git a/src/libusb-sniff.c b/src/libusb-sniff.c
index ea7ef48..91f7872 100644
--- a/src/libusb-sniff.c
+++ b/src/libusb-sniff.c
@@ -21,7 +21,11 @@
 /* usage: sudo USBSNIFF_WAIT=1 LD_PRELOAD=./libusb-sniff.so flasher-3.5 ... */
 /* usage: sudo USBSNIFF_SKIP_READ=1 USBSNIFF_SKIP_WRITE=1 LD_PRELOAD=./libusb-sniff.so flasher-3.5 ... */
 
+/* Enable RTLD_NEXT for glibc */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
-- 
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