newlib.patch

diff --git a/config.sub b/config.sub
index 63c1f1c8b..575e8d9d7 100755
--- a/config.sub
+++ b/config.sub
@@ -1177,6 +1177,7 @@ case $cpu-$vendor in
 			| d10v | d30v | dlx | dsp16xx \
 			| e2k | elxsi | epiphany \
 			| f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
+                        | cpu0 \
 			| h8300 | h8500 \
 			| hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 			| hexagon \
diff --git a/newlib/configure.host b/newlib/configure.host
index ca6b46f03..7bbf46f25 100644
--- a/newlib/configure.host
+++ b/newlib/configure.host
@@ -176,6 +176,10 @@ case "${host_cpu}" in
   fr30)
 	machine_dir=fr30
 	;;
+  cpu0)
+	machine_dir=cpu0
+	newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
+	;;
   frv)
 	machine_dir=frv
         ;;
@@ -751,6 +755,9 @@ newlib_cflags="${newlib_cflags} -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DEXIT_PROVID
   fr30-*-*)
 	syscall_dir=syscalls
 	;;
+  cpu0-*)
+	syscall_dir=syscalls
+	;;
   frv-*-*)
         syscall_dir=syscalls
 	default_newlib_io_long_long="yes"
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h
index 3c1f41e03..a9993f2dd 100644
--- a/newlib/libc/include/machine/ieeefp.h
+++ b/newlib/libc/include/machine/ieeefp.h
@@ -1,3 +1,8 @@
+//#ifndef _IEEEFP_H_
+//#define _IEEEFP_H_
+
+//#include "cpu0-cfg.h"
+
 #ifndef __IEEE_BIG_ENDIAN
 #ifndef __IEEE_LITTLE_ENDIAN
 
@@ -249,6 +254,18 @@
 #define __IEEE_BIG_ENDIAN
 #endif
 
+// pre-defined compiler macro (from llc -march=cpu0${ENDIAN} or 
+// clang -target cpu0${ENDIAN}-unknown-linux-gnu 
+// http://beefchunk.com/documentation/lang/c/pre-defined-c/prearch.html 
+#ifdef __CPU0EL__
+#undef __IEEE_BIG_ENDIAN
+#define __IEEE_LITTLE_ENDIAN
+#endif
+#ifdef __CPU0EB__
+#define __IEEE_BIG_ENDIAN
+#undef __IEEE_LITTLE_ENDIAN
+#endif
+
 #ifdef __MMIX__
 #define __IEEE_BIG_ENDIAN
 #endif
@@ -508,3 +525,4 @@
 #endif /* not __IEEE_LITTLE_ENDIAN */
 #endif /* not __IEEE_BIG_ENDIAN */
 
+//#endif
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 3cc313080..605929173 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -50,7 +50,7 @@ int     dup3 (int __fildes, int __fildes2, int flags);
 int	eaccess (const char *__path, int __mode);
 #endif
 #if __XSI_VISIBLE
-void	encrypt (char *__block, int __edflag);
+void	encrypt (char *__libc_block, int __edflag);
 #endif
 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
 void	endusershell (void);
diff --git a/newlib/libc/machine/configure b/newlib/libc/machine/configure
index 62064cdfd..5ef5eec08 100755
--- a/newlib/libc/machine/configure
+++ b/newlib/libc/machine/configure
@@ -823,6 +823,7 @@ csky
 d10v
 d30v
 epiphany
+cpu0
 fr30
 frv
 ft32
@@ -12007,6 +12008,8 @@ subdirs="$subdirs a29k"
 	d30v) subdirs="$subdirs d30v"
  ;;
 	epiphany) subdirs="$subdirs epiphany"
+ ;;
+	cpu0) subdirs="$subdirs cpu0"
  ;;
 	fr30) subdirs="$subdirs fr30"
  ;;