Hi Saul, Thanks very much for the investigation! I can reproduce the issue now when I build gdb after building lttng-ust (previously looks I built them in the reverse order, so didn't catch it.)
I haven't understood why this issue occurred after I upgraded ust from 0.11 to 0.12 as 0.11 actually installs /usr/include/ust, too. And gdb was not upgraded recently. I'm looking into this now and will update asap. Thanks, -- Dexuan -----Original Message----- From: Saul Wold [mailto:[email protected]] Sent: 2011年4月25日 4:17 To: Cui, Dexuan; 'Patches and discussions about the oe-core layer' Cc: [email protected] Subject: gdb and lttng-ust 0.12 Dexuan, It seems that when you updated lttng-ust to 0.12, it installed an /usr/include/ust directory that GDB now finds. This caused the gdbserver code to not build. I investigated this and it seems to be due to gdb having a dependency on UST that causes GDB not to compile. I think at this point we may want to continue with UST disabled in gdb. To reproduce this, ensure that lttng-ust-0.12 is built before building gdb and you should see a compilation failure. My concern here is that if fix the GDB compilation failures, what else is going to fail as far as debugging with UST enabled on the remote, I know this feature is something we want, and should probably report to the GDB upstream. The fix seems to be as simple as adding "--without-ust" to the gdb EXTRA_OECONF line. Comments? -- Sau! Saul Wold Yocto Component Wrangler @ Intel Yocto Project / Poky Build System Error while compiling tracepoint.c -> tracepoint-ipa.o (note it's -ipa.o so a different set of flags). | ccache i586-poky-linux-gcc -march=i586 --sysroot=/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/sysroots/qemux86 -c -Wall -I. -I/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver -I/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/../common -I/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/../regformats -I/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/../../include -O2 -pipe -g -feliminate-unused-debug-types -DCONFIG_UST_GDB_INTEGRATION -fPIC -DGDBSERVER -DIN_PROCESS_AGENT -fvisibility=hidden /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c -o tracepoint-ipa.o | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c: In function 'first_marker': | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7009:3: warning: return from incompatible pointer type | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c: In function 'next_marker': | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7024:23: warning: comparison of distinct pointer types lacks a cast | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7027:4: warning: return from incompatible pointer type | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c: In function 'unprobe_marker_at': | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7105:33: error: request for member 'location' in something not a structure or union | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7109:51: error: request for member 'channel' in something not a structure or union | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7110:23: error: request for member 'name' in something not a structure or union | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7114:17: error: request for member 'channel' in something not a structure or union | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7114:39: error: request for member 'name' in something not a structure or union | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c: In function 'probe_marker_at': | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7135:43: warning: assignment from incompatible pointer type | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7137:42: warning: assignment from incompatible pointer type | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c: In function 'cmd_qtstmat': | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7180:43: warning: assignment from incompatible pointer type | /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/build/tmp/work/i586-poky-linux/gdb-7.2-r0/gdb-7.2/gdb/gdbserver/tracepoint.c:7182:42: warning: assignment from incompatible pointer type | make[4]: *** [tracepoint-ipa.o] Error 1 _______________________________________________ Openembedded-core mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
