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Message-ID: <1453889810.10340.5.camel@linuxfoundation.org>
From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Hongxu Jia <hongxu.jia@windriver.com>,
	openembedded-core@lists.openembedded.org, liezhi.yang@windriver.com,
	ross.burton@intel.com
Date: Wed, 27 Jan 2016 10:16:50 +0000
In-Reply-To: <cover.1453882496.git.hongxu.jia@windriver.com>
References: <cover.1453882496.git.hongxu.jia@windriver.com>
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Subject: Re: [PATCH 0/4] base/bbclass: use target path to replace build ones in debugging info
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I like the idea of this a lot, I think it makes sense however why not
just:

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index e80ee18..284f7fb 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -546,7 +546,14 @@ EXTRA_OEMAKE_prepend_task-install = "${PARALLEL_MAKEINST} "
 ##################################################################
 # Optimization flags.
 ##################################################################
-DEBUG_FLAGS ?= "-g -feliminate-unused-debug-types"
+DEBUG_FLAGS ?= "-g \
+    -feliminate-unused-debug-types \
+    -fdebug-prefix-map=${B}=/usr/src/${BPN} \
+    -fdebug-prefix-map=${S}=/usr/src/${BPN} 
+    -gno-record-gcc-switches \
+    -fdebug-prefix-map=${STAGING_DIR_NATIVE}= \
+    -fdebug-prefix-map=${STAGING_DIR_HOST}= \
+"
 # Disabled until the option works properly -feliminate-dwarf2-dups
 FULL_OPTIMIZATION = "-O2 -pipe ${DEBUG_FLAGS}"
 DEBUG_OPTIMIZATION = "-O -fno-omit-frame-pointer ${DEBUG_FLAGS} -pipe"

?

Cheers,

Richard