From: Bernhard Walle <walle@corscience.de>
Date: Wed, 14 Mar 2012 16:52:47 +0100
Subject: [PATCH] Allow to specify MAX_BUFSIZE during compile time

The default value of 64 MiB is too large for small embedded systems.

Signed-off-by: Bernhard Walle <walle@corscience.de>
---
 Makefile |    2 +-
 dev.c    |    2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 8fbd119..01771b0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CC	:= gcc
-CFLAGS	:= -O2 -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -g2
+CFLAGS	:= -O2 -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -g2 $(EXTRA_CFLAGS)
 LDFLAGS := -lrt
 
 all: flashbench erase
diff --git a/dev.c b/dev.c
index f1718be..73a9b3f 100644
--- a/dev.c
+++ b/dev.c
@@ -22,7 +22,9 @@
 
 #include "dev.h"
 
+#ifndef MAX_BUFSIZE
 #define MAX_BUFSIZE (64 * 1024 * 1024)
+#endif
 
 static inline long long time_to_ns(struct timespec *ts)
 {