7 files changed, 24 insertions, 29 deletions
diff --git a/newlib/libc/include/sys/config.h b/newlib/libc/include/sys/config.h
index c4e4dba9a..1dd045498 100644
--- a/newlib/libc/include/sys/config.h
+++ b/newlib/libc/include/sys/config.h
@@ -59,7 +59,7 @@
 /* in other words, go32 */
 #define _FLOAT_RET double
 #endif
-#if defined(__linux__) || defined(__RDOS__)
+#ifdef __linux__
 /* we want the reentrancy structure to be returned by a function */
 #define __DYNAMIC_REENT__
 #define HAVE_GETDATE
@@ -105,22 +105,6 @@
 #define __BUFSIZ__ 16
 #define _REENT_SMALL
 #endif
-#ifdef __m32c__
-#define __SMALL_BITFIELDS
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX __INT_MAX__
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#define MALLOC_ALIGNMENT 8
-#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
-#define _POINTER_INT short
-#else
-#define _POINTER_INT long
-#endif
-#define __BUFSIZ__ 16
-#define _REENT_SMALL
-#endif /* __m32c__ */
-
 
 /* This block should be kept in sync with GCC's limits.h.  The point
    of having these definitions here is to not include limits.h, which
diff --git a/newlib/libc/include/sys/dirent.h b/newlib/libc/include/sys/dirent.h
index a3fb5c02c..f2f2342d5 100644
--- a/newlib/libc/include/sys/dirent.h
+++ b/newlib/libc/include/sys/dirent.h
@@ -1,13 +1,15 @@
 /* <dirent.h> includes <sys/dirent.h>, which is this file.  On a
    system which supports <dirent.h>, this file is overridden by
    dirent.h in the libc/sys/.../sys directory.  On a system which does
-   not support <dirent.h>, we will get this file which uses #error to force
-   an error.  */
+   not support <dirent.h>, we will get this file which tries to find
+   any other <dirent.h> which may be lurking around.  If there isn't
+   one, the user will get an error indicating that there is no
+   <dirent.h>.  */
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-#error "<dirent.h> not supported"
+#include_next <dirent.h>
 #ifdef __cplusplus
 }
 #endif
diff --git a/newlib/libc/include/sys/fcntl.h b/newlib/libc/include/sys/fcntl.h
index fd8917d1e..0a680a1da 100644
--- a/newlib/libc/include/sys/fcntl.h
+++ b/newlib/libc/include/sys/fcntl.h
@@ -37,9 +37,9 @@ extern "C" {
 #define	O_CREAT		_FCREAT
 #define	O_TRUNC		_FTRUNC
 #define	O_EXCL		_FEXCL
-#define O_SYNC		_FSYNC
+/*	O_SYNC		_FSYNC		not posix, defined below */
 /*	O_NDELAY	_FNDELAY 	set in include/fcntl.h */
-/*	O_NDELAY	_FNBIO 		set in include/fcntl.h */
+/*	O_NDELAY	_FNBIO 		set in 5include/fcntl.h */
 #define	O_NONBLOCK	_FNONBLOCK
 #define	O_NOCTTY	_FNOCTTY
 /* For machines which care - */
@@ -68,6 +68,8 @@ extern "C" {
 
 #ifndef	_POSIX_SOURCE
 
+#define	O_SYNC		_FSYNC
+
 /*
  * Flags that work for fcntl(fd, F_SETFL, FXXXX)
  */
diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h
index 6754f1e9d..af31ce670 100644
--- a/newlib/libc/include/sys/features.h
+++ b/newlib/libc/include/sys/features.h
@@ -88,7 +88,6 @@ extern "C" {
 # define _POSIX_THREAD_ATTR_STACKSIZE           1
 # define _POSIX_SEMAPHORES                      1
 # define _POSIX_TIMERS				1
-# define _POSIX_MEMLOCK_RANGE			1
 #endif
 
 #ifdef __cplusplus
diff --git a/newlib/libc/include/sys/time.h b/newlib/libc/include/sys/time.h
index df3164941..4771f5798 100644
--- a/newlib/libc/include/sys/time.h
+++ b/newlib/libc/include/sys/time.h
@@ -14,8 +14,8 @@ extern "C" {
 
 #ifndef _WINSOCK_H
 struct timeval {
-  time_t      tv_sec;
-  suseconds_t tv_usec;
+  long tv_sec;
+  long tv_usec;
 };
 
 struct timezone {
@@ -24,7 +24,7 @@ struct timezone {
 };
 
 #ifdef __CYGWIN__
-#include <cygwin/sys_time.h>
+#include <sys/select.h>
 #endif /* __CYGWIN__ */
 
 #endif /* _WINSOCK_H */
diff --git a/newlib/libc/include/sys/types.h b/newlib/libc/include/sys/types.h
index bf08616ab..5c288bfc0 100644
--- a/newlib/libc/include/sys/types.h
+++ b/newlib/libc/include/sys/types.h
@@ -251,6 +251,11 @@ typedef	struct _types_fd_set {
 #undef __MS_types__
 #undef _ST_INT32
 
+/* The following are actually standard POSIX 1003.1b-1993 threads, mutexes,
+   condition variables, and keys.  But since RTEMS is currently the only
+   newlib user of these, the ifdef is just on RTEMS. */
+
+#if defined(__rtems__) || defined(__CYGWIN__)
 
 #ifndef __clockid_t_defined
 typedef _CLOCKID_T_ clockid_t;
@@ -262,8 +267,9 @@ typedef _TIMER_T_ timer_t;
 #define __timer_t_defined
 #endif
 
-typedef unsigned long useconds_t;
-typedef long suseconds_t;
+#if defined(__CYGWIN__) || defined(__rtems__)
+typedef long useconds_t;
+#endif
 
 #include <sys/features.h>
 
@@ -374,6 +380,8 @@ typedef struct {
 #endif
 #endif /* defined(_POSIX_THREADS) */
 
+#endif  /* defined(__rtems__) */
+
 #endif  /* !__need_inttypes */
 
 #undef __need_inttypes
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index a670dd735..e9215e24d 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -211,9 +211,9 @@ void    _EXFUN(sync, (void));
 #else /* defined(__rtems__) */
 int     _EXFUN(sync, (void));
 #endif
-#endif
 int     _EXFUN(readlink, (const char *__path, char *__buf, int __buflen));
 int     _EXFUN(symlink, (const char *__name1, const char *__name2));
+#endif
 
 #define	F_OK	0
 #define	R_OK	4