http://lists.lttng.org/pipermail/lttng-dev/2012-May/017927.html
I tried to build the latest urcu (git master e51500) on a Centos 6.2 box, and
got:
jscott@dxi0-62:~/src/userspace-rcu$ make -j4
CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/sh
/users/jscott/src/userspace-rcu/config/missing --run aclocal-1.11 -I config
CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/sh
/users/jscott/src/userspace-rcu/config/missing --run autoconf
cd . && /bin/sh /users/jscott/src/userspace-rcu/config/missing --run
automake-1.11 --foreign
configure:4010: error: possibly undefined macro: m4_ifnblank
If this token and others are legitimate, please use m4_pattern_allow.
See the Autoconf documentation.
make: *** [configure] Error 1
make: *** Waiting for unfinished jobs....
Some digging showed that the macro m4_ifnblank requires autoconf 2.64. Centos
6.2 has autoconf 2.63. :(
I just worked around it by reverting commit a767fd locally, then I can build
fine.
cheers,
John
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