conf/bitbake.conf package.bbclass: fix dbg package not contain sources while -fdebug-prefix-map used

Tweak DEBUG_FLAGS to use "/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR}"
as source target path in DWARF. While use gdb to debug binary, it could
work with sources in dbg package.

While -fdebug-prefix-map is used for compiling, we do not need invoking
debugedit to edit DWARF at do_package time, but list where sources files
are.

The copydebugsources uses the list to copy sources to dbg package. It
works whether -fdebug-prefix-map used or not.

[YOCTO #9305]

(From OE-Core rev: ecb56a6ae0c870af680da03db9d39703b525fc98)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index d4fb5f3571..b873b4150d 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -550,8 +550,7 @@ EXTRA_OEMAKE_prepend_task-install = "${PARALLEL_MAKEINST} "
 # Optimization flags.
 ##################################################################
 DEBUG_FLAGS ?= "-g -feliminate-unused-debug-types \
-                -fdebug-prefix-map=${B}=/usr/src/${BPN} \
-                -fdebug-prefix-map=${S}=/usr/src/${BPN} \
+                -fdebug-prefix-map=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR} \
                 -fdebug-prefix-map=${STAGING_DIR_NATIVE}= \
                 -fdebug-prefix-map=${STAGING_DIR_HOST}= \
 "