Default AVR to DWARF2 debug

This switches the AVR port to generate DWARF2 debugging info by
default since the support for STABS is going to be deprecated for
GCC 12.

2021-09-10  Richard Biener  <rguenther@suse.de>

	* config/avr/elf.h (PREFERRED_DEBUGGING_TYPE): Remove
	override, pick up DWARF2_DEBUG define from elfos.h

diff --git a/gcc/config/avr/elf.h b/gcc/config/avr/elf.h
index 2f0eb0de775e6bc42f132e40fb371e505488ffb5..5f2d1e03936317ccdfa7d91c2582806fcae1fffb 100644 (file)
--- a/gcc/config/avr/elf.h
+++ b/gcc/config/avr/elf.h
@@ -22,9 +22,6 @@
 
 #undef PCC_BITFIELD_TYPE_MATTERS
 
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
 #undef MAX_OFILE_ALIGNMENT
 #define MAX_OFILE_ALIGNMENT (32768 * 8)