new file to support execv family support in newlib

c/src/lib/libc/Makefile.in

@@ -12,7 +12,7 @@ LIBNAME=libcsupport.a
 LIB=${ARCH}/${LIBNAME}
 
 # C and C++ source names, if any, go here -- minus the .c or .cc
-C_PIECES=__gettod __brk __times malloc syscalls \
+C_PIECES=__gettod __brk __times _execve malloc syscalls \
     no_libc newlibc newlibif newlibifr support unixlibc \
     libio hosterr tcattr termios
 C_FILES=$(C_PIECES:%=%.c)

c/src/lib/libc/_execve.c

@@ -0,0 +1,31 @@
+#include <rtems.h>
+
+#if defined(RTEMS_NEWLIB)
+/*
+ *  RTEMS Dummy _execveImplementation
+ *
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <unistd.h>
+#include <errno.h>
+
+int _execve(
+  const char *path,
+  char *const argv[],
+  char *const environ[]
+)
+{
+  errno = ENOSYS;
+  return -1;
+}
+#endif