> -----Original Message----- > From: [email protected] > [mailto:[email protected]] On > Behalf Of Georg-Johann Lay > Sent: Saturday, July 09, 2011 4:26 AM > To: Georg-Johann Lay; Bill Westfield; [email protected] > Subject: [avr-libc-dev] [bug #33716] pgmspace typedefs not legal > > Follow-up Comment #1, bug #33716 (project avr-libc): > > As Bill already wrote, attribute progmem just works by accident in avr-gcc > ( > and not at all in avr-g++). > > It appears that > const prog_char c = 'a'; > works for C and not for C++. However, there is *no* support for progmem > in > types it in avr-gcc and there is no guarantee that it will work for any > code > imagineable. > > I highly recommend to deprecate types like prog_char: > > typedef char __attribute__((progmem,deprecated)) prog_char; > > or > > typedef char __attribute__((progmem,deprecated("message"))) prog_char; > > Notice that despite "progmem", "deprecated" *is* documented for types. > > As the next release of avr-libc will come with bulk of poison, anyway, > this > bit of deprecation won't hurt and will help users to write more robust > code.
Agreed, Johann. This should be done before the next release of avr-libc which will be 1.8.0. Eric _______________________________________________ AVR-libc-dev mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avr-libc-dev
