[OE-core] [PATCH 1/1] lttng-ust: cannot find -llttng-ust-tracepoint

Robert Yang liezhi.yang at windriver.com
Wed Feb 27 01:59:54 UTC 2013

Hi Khem,

Here is the full error log, we can see that liblttng-ust.la needs 

arm-poky-linux-gnueabi-libtool: link: arm-poky-linux-gnueabi-gcc  -march=armv5te 
  -marm -mthumb-interwork 
--sysroot=/buildarea2/lyang1/ppp/tmp/sysroots/qemuarm -shared  -fPIC -DPIC 
-Wl,--whole-archive ../snprintf/.libs/libustsnprintf.a 
../liblttng-ust-comm/.libs/liblttng-ust-comm.a ./.libs/liblttng-ust-runtime.a 
./.libs/liblttng-ust-support.a -Wl,--no-whole-archive  -llttng-ust-tracepoint 
-lrt /buildarea2/lyang1/ppp/tmp/sysroots/qemuarm/usr/lib/libuuid.so 
/buildarea2/lyang1/ppp/tmp/sysroots/qemuarm/usr/lib/liburcu-common.so -lpthread 
  -march=armv5te -marm -mthumb-interwork 
--sysroot=/buildarea2/lyang1/ppp/tmp/sysroots/qemuarm -O2 -Wl,-O1 
-Wl,--hash-style=gnu -Wl,--as-needed   -Wl,-soname -Wl,liblttng-ust.so.0 -o 
arm-poky-linux-gnueabi-libtool: link: ( cd ".libs" && rm -f 
"liblttng-ust-tracepoint.la" && ln -s "../liblttng-ust-tracepoint.la" 
"liblttng-ust-tracepoint.la" )
cannot find -llttng-ust-tracepoint
collect2: error: ld returned 1 exit status
make[2]: *** [liblttng-ust.la] Error 1

// Robert

On 02/27/2013 01:58 AM, Khem Raj wrote:
> On (26/02/13 08:18), Darren Hart wrote:
>> Pulling in Tom as I don't have any experience with lttng.
>> On 02/26/2013 01:24 AM, Robert Yang wrote:
>>> liblttng_ust.la should depend on liblttng-ust-tracepoint.la, otherwise
>>> there maybe a parallel build issue when building liblttng_ust.la:
>>> ld: cannot find -llttng-ust-tracepoint
> Are you using gold linker when you get this issue ?
> patch is OK if you are sure that some other .la is not pulling it in as
> well otherwise you dont want overlinking.

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