[src/trunk]: src/share/mk Add a prefix translation map for debugging symbols....

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

details:   https://anonhg.NetBSD.org/src/rev/ae8fe9267867
branches:  trunk
changeset: 342450:ae8fe9267867
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Dec 22 16:46:56 2015 +0000

description:
Add a prefix translation map for debugging symbols. Note the use of variable
indirection so that DW_at_producer that contains the compilation command
remains the same: readelf --debug-dump foo.debug

diffstat:

 share/mk/bsd.sys.mk |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (20 lines):

diff -r f61a4d6fea80 -r ae8fe9267867 share/mk/bsd.sys.mk
--- a/share/mk/bsd.sys.mk       Tue Dec 22 15:12:39 2015 +0000
+++ b/share/mk/bsd.sys.mk       Tue Dec 22 16:46:56 2015 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.sys.mk,v 1.245 2014/09/03 19:22:53 matt Exp $
+#      $NetBSD: bsd.sys.mk,v 1.246 2015/12/22 16:46:56 christos Exp $
 #
 # Build definitions used for NetBSD source tree builds.
 
@@ -18,6 +18,10 @@
 CPPFLAGS+=     -Wp,-iremap,${NETBSDSRCDIR}:/usr/src
 CPPFLAGS+=     -Wp,-iremap,${DESTDIR}/:/
 CPPFLAGS+=     -Wp,-iremap,${X11SRCDIR}:/usr/xsrc
+.export NETBSDSRCDIR DESTDIR X11SRCDIR
+CFLAGS+=       -fdebug-prefix-map=\$$NETBSDSRCDIR=/usr/src
+CFLAGS+=       -fdebug-prefix-map=\$$DESTDIR=/
+CFLAGS+=       -fdebug-prefix-map=\$$X11SRCDIR=/usr/xsrc
 .endif
 
 # NetBSD sources use C99 style, with some GCC extensions.