From: Mark Wielaard <mark@klomp.org>
Date: Tue, 29 Sep 2020 13:52:44 +0000 (+0200)
Subject: Default to DWARF5
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3804e937b0e252a7e42632fe6d9f898f1851a49c;p=gcc.git

Default to DWARF5

gcc/ChangeLog:

	* common.opt (gdwarf-): Init(5).
	* doc/invoke.texi (-gdwarf): Document default to 5.
---

diff --git a/gcc/common.opt b/gcc/common.opt
index 9edcb5f190d..bde1711870d 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -3179,7 +3179,7 @@ Common Driver JoinedOrMissing Negative(gdwarf-)
 Generate debug information in default version of DWARF format.
 
 gdwarf-
-Common Driver Joined UInteger Var(dwarf_version) Init(4) Negative(gstabs)
+Common Driver Joined UInteger Var(dwarf_version) Init(5) Negative(gstabs)
 Generate debug information in DWARF v2 (or later) format.
 
 gdwarf32
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 3f30230b0c2..c290b6f4938 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -9606,14 +9606,15 @@ possible.
 @itemx -gdwarf-@var{version}
 @opindex gdwarf
 Produce debugging information in DWARF format (if that is supported).
-The value of @var{version} may be either 2, 3, 4 or 5; the default version
-for most targets is 4.  DWARF Version 5 is only experimental.
+The value of @var{version} may be either 2, 3, 4 or 5; the default
+version for most targets is 5 (with the exception of VxWorks and
+Darwin/Mac OS X which default to version 2).
 
 Note that with DWARF Version 2, some ports require and always
 use some non-conflicting DWARF 3 extensions in the unwind tables.
 
 Version 4 may require GDB 7.0 and @option{-fvar-tracking-assignments}
-for maximum benefit.
+for maximum benefit. Version 5 requires GDB 8.0 or higher.
 
 GCC no longer supports DWARF Version 1, which is substantially
 different than Version 2 and later.  For historical reasons, some