[zeromq-dev] czmq compilation failure (-Werror)

Steven McCoy steven.mccoy at miru.hk
Tue Sep 10 22:56:59 CEST 2013

On 10 September 2013 16:20, Patrick Noffke <patrick.noffke at gmail.com> wrote:

> I am attempting to compile czmq with a cross-compiler (gcc 4.8.0), and I
> am getting a bunch of errors like this:
> zbeacon.c: In function 'zbeacon_publish':
> zbeacon.c:176:5: error: ISO C90 forbids mixed declarations and code
> [-Werror=pedantic]
> zmsg_t *msg = zmsg_new ();

As per the error message and this RFC:


Use a C99 compiler for CZMQ.  With GCC this is usually with a flag -std=gnu99
or -std=c99.

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