[lttng-dev] liburcu error: Cannot find -lurcu

[Thibault, Daniel]

> Date: Fri, 22 Nov 2013 10:51:01 +0530
>
> I am using latest version of userspace. Cloned from userspace.git
>
>While Cross Compiling for Mips Architecture I get the following error.
>
>make  all-recursive
>make[1]: Entering directory `/home/kumar/userspace/userspace-rcu'
>Making all in .
>make[2]: Entering directory `/home/kumar/userspace/userspace-rcu'

   Aren't there a bunch of CC and CCLD messages missing from here?  Did you edit this log or did your make really skip /userspace-rcu/. and go straight to /userspace-rcu/doc?

>make[2]: Leaving directory `/home/kumar/userspace/userspace-rcu'
>Making all in doc
>make[2]: Entering directory `/home/kumar/userspace/userspace-rcu/doc'
>Making all in examples
>make[3]: Entering directory
>`/home/kumar/userspace/userspace-rcu/doc/examples'
>make -f dist-files/Makefile AM_CPPFLAGS=" -I../../../urcu/ -I../../../"
>AM_CFLAGS='-g -O2' AM_LDFLAGS=' -L../../../.libs/
>-Wl,-rpath="/home/kumar/userspace/userspace-rcu/doc/examples/../../.libs/"' all
>make[4]: Entering directory
>`/home/kumar/userspace/userspace-rcu/doc/examples'
>make -C hlist
>make[5]: Entering directory
>`/home/kumar/userspace/userspace-rcu/doc/examples/hlist'
>make -f Makefile.cds_hlist_add_head_rcu
>make[6]: Entering directory
>`/home/kumar/userspace/userspace-rcu/doc/examples/hlist'
>cc -g -O2 -Wall  -g -O2 -L../../../.libs/
>-Wl,-rpath="/home/kumar/userspace/userspace-rcu/doc/examples/../../.libs/" \
>        -o cds_hlist_add_head_rcu cds_hlist_add_head_rcu.o -lurcu
>/usr/bin/ld: skipping incompatible ../../../.libs//liburcu.so when
>searching for -lurcu
>/usr/bin/ld: skipping incompatible ../../../.libs//liburcu.a when searching
>for -lurcu
>/usr/bin/ld: cannot find -lurcu
>collect2: ld returned 1 exit status
>make[6]: *** [cds_hlist_add_head_rcu] Error 1
>make[6]: Leaving directory
>`/home/kumar/userspace/userspace-rcu/doc/examples/hlist'
>make[5]: *** [all] Error 2
>make[5]: Leaving directory
>`/home/kumar/userspace/userspace-rcu/doc/examples/hlist'
>make[4]: *** [all] Error 2
>make[4]: Leaving directory
>`/home/kumar/userspace/userspace-rcu/doc/examples'
>make[3]: *** [all-local] Error 2
>make[3]: Leaving directory
>`/home/kumar/userspace/userspace-rcu/doc/examples'
>make[2]: *** [all-recursive] Error 1
>make[2]: Leaving directory `/home/kumar/userspace/userspace-rcu/doc'
>make[1]: *** [all-recursive] Error 1
>make[1]: Leaving directory `/home/kumar/userspace/userspace-rcu'
>make: *** [all] Error 2
>
> How can I fix this?

   When you capture the log, be sure to get both stdout and stderr, by using e.g. 'make install &> install.log' or 'make install 2>&1 | tee install.log'.

Daniel U. Thibault
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