Panic() etc. are now extern "C", so that they are callable from C-only code.
Comment about the watchdog added to ForeverHangAfterPanic().
Create the "m4" subdir before calling atuoreconf.
Comment added to AM_SILENT_RULES.
Comment added about "WARNING: using cross tools not prefixed with host triplet".
Added -fmerge-constants to debug build flags.
Added config variable SHOW_AUTOTOOLS_VERSIONS for debug purposes.
README.pod improvements:
- socat READLINE does not always work, replaced with STDIO.
- many small improvements.
- Add OpenOCD files for the Arduino Due.
Reduce the code size by removing the assert expressions and function names from the failed assertion messages.
Build the toolchain with -Os .
In the makefiles, use := instead of = .
Unnecessary #include removed.
The .elf files now depend on the linker script files too.
Unnecessary #include removed.
Newlib callback _write is not necessary anymore.
libcmsis and libsam moved to separate autotools makefiles.