[oe-commits] [openembedded-core] 02/02: bitbake.conf: re-order DEBUG_PREFIX_MAP
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Fri Apr 20 07:26:28 UTC 2018
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rpurdie pushed a commit to branch sumo-next
in repository openembedded-core.
commit b8b6af73c80d9bd296ccd12839b6d38b7789779f
Author: Juro Bystricky <juro.bystricky at intel.com>
AuthorDate: Thu Apr 19 11:04:10 2018 -0700
bitbake.conf: re-order DEBUG_PREFIX_MAP
When specifying several -fdebug-prefix-map command line options to
gcc, they are evaluated right to left (last one first).
Normally, the order is irrelevant. However, when we try to map both:
recipe-sysroot-native
recipe-sysroot
the order matters. With the original order most of our debug packages contain
incorrect debug symbols.
Take for example /usr/bin/.debug/setfacl from acl-dbg:
$ strings setfacl | grep native
...
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
-native/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
Reordering the fdebug-prefix-map arguments will give us the correct paths:
/usr/lib/x86_64-poky-linux/gcc/x86_64-poky-linux/7.3.0/include
Note there may be additional an incorrect paths, such as:
/usr/src/debug/glibc/2.27-r0/recipe-sysroot-native/usr/lib/x86_64-poky-linux.gcc-cross-initial-x86_64/gcc/x86_64-poky-linux/7.3.0/include
But that one needs to be fixed in the recipe for glibc.
Signed-off-by: Juro Bystricky <juro.bystricky at intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
meta/conf/bitbake.conf | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 92aa944..a21b728 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -600,9 +600,10 @@ EXTRA_OEMAKE_prepend_task-install = "${PARALLEL_MAKEINST} "
##################################################################
# Optimization flags.
##################################################################
+# Beware: applied last to first
DEBUG_PREFIX_MAP ?= "-fdebug-prefix-map=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR} \
- -fdebug-prefix-map=${STAGING_DIR_NATIVE}= \
-fdebug-prefix-map=${STAGING_DIR_HOST}= \
+ -fdebug-prefix-map=${STAGING_DIR_NATIVE}= \
"
DEBUG_FLAGS ?= "-g -feliminate-unused-debug-types ${DEBUG_PREFIX_MAP}"
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