--- dos2unix.c.orig
+++ dos2unix.c
@@ -158,8 +158,8 @@
   #define R_CNTRL   "rb"
   #define W_CNTRL   "wb"
 #else
-  #define R_CNTRL   "r"
-  #define W_CNTRL   "w"
+  #define R_CNTRL   "re"
+  #define W_CNTRL   "we"
 #endif
 
 #define BINARY_FILE 0x1
--- unix2dos.c.orig
+++ unix2dos.c
@@ -148,8 +148,8 @@
   #define R_CNTRL   "rb"
   #define W_CNTRL   "wb"
 #else
-  #define R_CNTRL   "r"
-  #define W_CNTRL   "w"
+  #define R_CNTRL   "re"
+  #define W_CNTRL   "we"
 #endif
 
 #define BINARY_FILE 0x1
--- Makefile.orig
+++ Makefile
@@ -198,7 +198,7 @@ endif
 
 CFLAGS	= -O2 -Wall $(RPM_OPT_FLAGS)
 
-EXTRA_CFLAGS	= -DVER_REVISION=\"$(DOS2UNIX_VERSION)\" \
+EXTRA_CFLAGS	= -D_GNU_SOURCE -DVER_REVISION=\"$(DOS2UNIX_VERSION)\" \
 		  -DVER_DATE=\"$(DOS2UNIX_DATE)\" \
 		  -DDEBUG=$(DEBUG) \
 		  $(CFLAGS_OS)