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RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v
retrieving revision 1.39
retrieving revision 1.40
@@ -38,6 +38,18 @@ explicit use of vector types may be inco
built with older versions of GCC. Auto-vectorized code is not affected
by this change.</p>
+<p>On AVR, support has been removed for the command line
+ option <code>-mshort-calls</code> deprecated in GCC 4.7.</p>
+
+<p>On AVR, the configure option <code>--with-avrlibc</code> supported since
+ GCC 4.7.2 is turned on per default for all non-RTEMS configurations.
+ This option arranges for a better integration of
+ <a href="http://www.nongnu.org/avr-libc/">AVR Libc</a> with avr-gcc.
+ For technical details, see <a href="http://gcc.gnu.org/PR54461">PR54461</a>.
+ To turn off the option in non-RTEMS configurations, use
+ <code>--with-avrlibc=no</code>. If the compiler is configured for
+ RTEMS, the option is always turned off.</p>
+
<h2>General Optimizer Improvements (and Changes)</h2>
<ul>