From 7a11650ebcb14f8a7cb810e2e6a05294fbccc57a Mon Sep 17 00:00:00 2001 From: Hongxu Jia Date: Tue, 16 Feb 2016 04:14:55 -0500 Subject: bitbake.conf: use target path as compile dir in debugging info In debugging information, it uses target paths rather than build ones as compile dir. ... -fdebug-prefix-map=old=new When compiling files in directory old, record debugging information describing them as in new instead. ... Compile without this fix: objdump -g git/test.o ... The Directory Table (offset 0x1b): | 1 /buildarea/raid0/hjia/build-20160119-yocto-buildpath/tmp/sysroots/x86_64-linux/usr/lib/ i686-pokymllib32-linux.lib32-gcc-cross-initial-i686/gcc/i686-pokymllib32-linux/5.3.0/include | 2 /buildarea/raid0/hjia/build-20160119-yocto-buildpath/tmp/sysroots/lib32-qemux86-64/usr/include/bits | 3 /buildarea/raid0/hjia/build-20160119-yocto-buildpath/tmp/sysroots/lib32-qemux86-64/usr/include ... Compile with this fix: objdump -g git/test.o ... The Directory Table (offset 0x1b): | 1 /usr/lib/i686-pokymllib32-linux.lib32-gcc-cross-initial-i686/gcc/i686-pokymllib32-linux/ 5.3.0/include | 2 /usr/include/bits | 3 /usr/include ... [YOCTO #7058] (From OE-Core rev: 0fe42caad8f7c142741a28b09458f4e2fdf289ff) Signed-off-by: Hongxu Jia Signed-off-by: Richard Purdie --- meta/conf/bitbake.conf | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf index a75bb8b7d4..631b759349 100644 --- a/meta/conf/bitbake.conf +++ b/meta/conf/bitbake.conf @@ -544,7 +544,13 @@ 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/${BPN} \ + -fdebug-prefix-map=${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" -- cgit 1.2.3-korg