1 files changed, 3 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index b6a5bbf16..b9819b436 100644
--- a/Makefile
+++ b/Makefile
@@ -147,6 +147,9 @@ endif
 
 ASTCFLAGS=
 
+# Define this to use files larger than 2GB (useful for sound files longer than 37 hours and logfiles)
+ASTCFLAGS+=-D_FILE_OFFSET_BITS=64
+
 # Pentium Pro Optimize
 #PROC=i686