[src/trunk]: src/usr.sbin/sysinst Make gcc generate better debug info when bu...

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

details:   https://anonhg.NetBSD.org/src/rev/43356e3a54aa
branches:  trunk
changeset: 338024:43356e3a54aa
user:      martin <martin%NetBSD.org@localhost>
date:      Sat May 09 06:15:42 2015 +0000

description:
Make gcc generate better debug info when building with DEBUG set.

diffstat:

 usr.sbin/sysinst/Makefile.inc |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (23 lines):

diff -r 773d42a58e35 -r 43356e3a54aa usr.sbin/sysinst/Makefile.inc
--- a/usr.sbin/sysinst/Makefile.inc     Sat May 09 06:06:14 2015 +0000
+++ b/usr.sbin/sysinst/Makefile.inc     Sat May 09 06:15:42 2015 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.inc,v 1.5 2014/08/06 12:16:12 martin Exp $
+#      $NetBSD: Makefile.inc,v 1.6 2015/05/09 06:15:42 martin Exp $
 #
 # Makefile for sysinst
 
@@ -55,7 +55,12 @@
                -DCATALOG_DIR=\"${CATALOGDIR}\"
 
 .if (defined(DEBUG))
-CPPFLAGS+=-DDEBUG -g -O0
+.if ${ACTIVE_CC} == "gcc"
+# make gcc run additional passes for better debug info (only needed
+# when compiling with -O0)
+O0TRACKING=    -fvar-tracking-assignments -fvar-tracking
+.endif
+CPPFLAGS+=-DDEBUG -g -O0 ${O0TRACKING}
 .endif
 
 .if (!defined(SMALLPROG) || defined(SMALLPROG_INET6)) && (${USE_INET6} != "no")