1 files changed, 3 insertions, 9 deletions

diff --git a/src/s/sunos4shr.h b/src/s/sunos4shr.h
index c5bcf838e61..1fcd6e24b67 100644
--- a/src/s/sunos4shr.h
+++ b/src/s/sunos4shr.h
@@ -1,17 +1,9 @@
-#include "bsd4-2.h"
+#include "sunos4-1.h"
 
 /* Say that the text segment of a.out includes the header;
    the header actually occupies the first few bytes of the text segment
    and is counted in hdr.a_text.  */
 
-#define O_NDELAY        FNDELAY /* Non-blocking I/O (4.2 style) */
-
-/* In SunOS 4.1, a static function called by tzsetwall reportedly
-   clears the byte just past an eight byte region it mallocs, corrupting
-   GNU malloc's memory pool.  But Sun's malloc doesn't seem to mind. */
-
-#define SYSTEM_MALLOC
-
 /*  Misleading!  Actually gets loaded after crt0.o */
 #define START_FILES pre-crt0.o
 
@@ -28,3 +20,5 @@
 #define UNEXEC  unexsunos4.o
 #define RUN_TIME_REMAP
 #define LINKER cc
+
+#undef LD_SWITCH_SYSTEM