diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index f600792e4..b8a5a6a94 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,9 @@
+2011-08-19  Corinna Vinschen  <vinschen@redhat.com>
+
+	* libc/include/process.h: Remove exec family function declarations.
+	Add comment.
+	* libc/include/sys/unistd.h (execlpe): Declare for Cygwin.
+
 2011-08-19  Craig Howland  <howland@LGSInnovations.com>
 
 	* libc/time/mktime.c (validate_structure): Account for tm_mon possibly
diff --git a/newlib/libc/include/process.h b/newlib/libc/include/process.h
index a73564a33..fe6ec1613 100644
--- a/newlib/libc/include/process.h
+++ b/newlib/libc/include/process.h
@@ -1,4 +1,5 @@
-/* process.h.  This file comes with MSDOS and WIN32 systems.  */
+/* process.h.  Define spawn family of functions as provided by Cygwin.
+   The original file of this name is a MS/DOS invention. */
 
 #ifndef __PROCESS_H_
 #define __PROCESS_H_
@@ -7,15 +8,7 @@
 extern "C" {
 #endif
 
-int execl(const char *path, const char *argv0, ...);
-int execle(const char *path, const char *argv0, ... /*, char * const *envp */);
-int execlp(const char *path, const char *argv0, ...);
-int execlpe(const char *path, const char *argv0, ... /*, char * const *envp */);
-
-int execv(const char *path, char * const *argv);
-int execve(const char *path, char * const *argv, char * const *envp);
-int execvp(const char *path, char * const *argv);
-int execvpe(const char *path, char * const *argv, char * const *envp);
+/* For the exec functions, include unistd.h. */
 
 int spawnl(int mode, const char *path, const char *argv0, ...);
 int spawnle(int mode, const char *path, const char *argv0, ... /*, char * const *envp */);
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 2763a0d46..900faa7bf 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -46,6 +46,9 @@ int	_EXFUN(euidaccess, (const char *__path, int __mode));
 int     _EXFUN(execl, (const char *__path, const char *, ... ));
 int     _EXFUN(execle, (const char *__path, const char *, ... ));
 int     _EXFUN(execlp, (const char *__file, const char *, ... ));
+#if defined(__CYGWIN__)
+int     _EXFUN(execlpe, (const char *__file, const char *, ... ));
+#endif
 int     _EXFUN(execv, (const char *__path, char * const __argv[] ));
 int     _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] ));
 int     _EXFUN(execvp, (const char *__file, char * const __argv[] ));