[src/trunk]: src sys/dev/ata/wd.c causes spurious warning about blkno not

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c273f52a1baa
branches:  trunk
changeset: 554455:c273f52a1baa
user:      he <he%NetBSD.org@localhost>
date:      Tue Oct 28 12:11:31 2003 +0000

description:
sys/dev/ata/wd.c causes spurious warning about blkno not
being initialized before used.  This appears to be a bug
specific to (at least) the m68k target, and will be reported
to the GCC maintainers.

diffstat:

 doc/HACKS                  |  14 +++++++++++++-
 sys/conf/Makefile.kern.inc |   7 ++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diffs (46 lines):

diff -r ed148800640a -r c273f52a1baa doc/HACKS
--- a/doc/HACKS Tue Oct 28 11:46:39 2003 +0000
+++ b/doc/HACKS Tue Oct 28 12:11:31 2003 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.17 2003/10/28 08:22:48 mrg Exp $
+# $NetBSD: HACKS,v 1.18 2003/10/28 12:11:31 he Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -260,3 +260,15 @@
        ffs.c causes cc1 to barf for as-yet unknown reasons.  this
        hack ues -O0 to avoid the problem.
 kcah
+
+hack   gcc 3.3.2/m68k -Wno-uninitialized
+cdate  Tue Oct 28 13:07:55 CET 2003
+who    he
+port   atari
+file   sys/conf/Makefile.kern.inc : 1.39
+descr
+       sys/dev/ata/wd.c causes spurious warning about blkno not
+       being initialized before used.  This appears to be a bug
+       specific to (at least) the m68k target, and will be reported
+       to the GCC maintainers.
+kcah
diff -r ed148800640a -r c273f52a1baa sys/conf/Makefile.kern.inc
--- a/sys/conf/Makefile.kern.inc        Tue Oct 28 11:46:39 2003 +0000
+++ b/sys/conf/Makefile.kern.inc        Tue Oct 28 12:11:31 2003 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.kern.inc,v 1.38 2003/10/26 19:24:06 christos Exp $
+#      $NetBSD: Makefile.kern.inc,v 1.39 2003/10/28 12:11:31 he Exp $
 #
 # This file contains common `MI' targets and definitions and it is included
 # at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}.
@@ -58,6 +58,11 @@
 # Add -Wno-sign-compare.  -Wsign-compare is included in -Wall as of GCC 3.3,
 # but our sources aren't up for it yet.
 CWARNFLAGS+=   -Wno-sign-compare
+.if (${MACHINE_ARCH} == "m68k")
+# GCC 3.3.x for m68k apparently does not correctly handle -Wuninitialized
+# for 64-bit quantities
+CWARNFLAGS+=   -Wno-uninitialized
+.endif
 .endif
 CFLAGS+=       ${CPUFLAGS} -ffreestanding ${DEBUG} ${COPTS} ${CWARNFLAGS}
 AFLAGS+=       ${CPUFLAGS} -D_LOCORE