[wwwdocs,avr] : Deprecate/remove -mshort-calls, --with-avrlibc is default

Message ID 5072A715.5030700@gjlay.de
State New
Headers show

Commit Message

Georg-Johann Lay Oct. 8, 2012, 10:12 a.m.
Applied the following changes to 4.7/4.8 release notes caveats.


Index: htdocs/gcc-4.8/changes.html
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v
retrieving revision 1.39
retrieving revision 1.40
diff -u -p -r1.39 -r1.40
--- htdocs/gcc-4.8/changes.html	6 Oct 2012 22:20:07 -0000	1.39
+++ htdocs/gcc-4.8/changes.html	8 Oct 2012 10:07:33 -0000	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>