Re: [avr-gcc-list] Bug in attiny2313 support ?

[Frederik Rouleau]

It seems that only a small change is needed in configure.in to rebuild 
avr-libc.

Frederik Rouleau wrote:

> Here is a quick patch to move attiny13 and attiny2313 to avr2 
> architecture in gcc. I have successfully rebuilt gcc-4.0-20041205 (the 
> latest snapshot that can be built for avr).
>
> But this move might need some change in avr-libc also...
>
> Please be carreful, I did not fully test it yet and I am new to gcc 
> internal.
>
> Frederik

Index: configure.in
===================================================================
RCS file: /cvsroot/avr-libc/avr-libc/configure.in,v
retrieving revision 1.133
diff -u -r1.133 configure.in
--- configure.in        20 Dec 2004 21:47:48 -0000      1.133
+++ configure.in        22 Dec 2004 19:11:13 -0000
@@ -345,12 +345,19 @@
   dnl default build directory -> avr1 and avr2
   avrlib_cflags="-mmcu=avr2 ${avrlib_opt_space}"
   avrlib_asflags='-mmcu=avr2'
+  CHECK_AVR_DEVICE(attiny13)
+  CHECK_AVR_DEVICE(attiny2313)
   AVR_CRT_AT90='crts1200.o crts2313.o crts2323.o crts2333.o crts2343.o \\\
                 crts4414.o crts4433.o crts4434.o crts8515.o crts8535.o \\\
                 crtc8534.o'
   AVR_CRT_TINY='crttn11.o crttn12.o crttn15.o crttn28.o crttn22.o crttn26.o'
   AVR_CRT_OTHER='crt86401.o'
-
+  if test "x$HAS_attiny13" = "xyes"; then
+    AVR_CRT_TINY="$AVR_CRT_TINY crttn13.o"
+  fi
+  if test "x$HAS_attiny2313" = "xyes"; then
+    AVR_CRT_TINY="$AVR_CRT_TINY crttn2313.o"
+  fi
   dnl We only want to build the docs for the default target case and only
   dnl if the user has passed "--enable-doc" to configure.
   if test "$enable_doc" = "yes"; then
@@ -364,8 +371,6 @@
         AVR_CRT_OTHER='crt43320.o crt43355.o crt76711.o'
   ;;
   avr4)
-        CHECK_AVR_DEVICE(attiny13)
-        CHECK_AVR_DEVICE(attiny2313)
         CHECK_AVR_DEVICE(atmega48)
         CHECK_AVR_DEVICE(atmega88)
         avrlib_cflags=${avrlib_opt_space}
@@ -377,12 +382,6 @@
         if test "x$HAS_atmega88" = "xyes"; then
           AVR_CRT_MEGA="$AVR_CRT_MEGA crtm88.o"
         fi
-        if test "x$HAS_attiny13" = "xyes"; then
-          AVR_CRT_TINY="$AVR_CRT_TINY crttn13.o"
-        fi
-        if test "x$HAS_attiny2313" = "xyes"; then
-          AVR_CRT_TINY="$AVR_CRT_TINY crttn2313.o"
-        fi
   ;;
   avr5)
         CHECK_AVR_DEVICE(atmega165)